增加sqlite3驱动包

vendor/github.com/mattn/go-sqlite3/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014 Yasuhiro Matsumoto
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/mattn/go-sqlite3/README.md

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+go-sqlite3
+==========
+
+[![GoDoc Reference](https://godoc.org/github.com/mattn/go-sqlite3?status.svg)](http://godoc.org/github.com/mattn/go-sqlite3)
+[![Build Status](https://travis-ci.org/mattn/go-sqlite3.svg?branch=master)](https://travis-ci.org/mattn/go-sqlite3)
+[![Coverage Status](https://coveralls.io/repos/mattn/go-sqlite3/badge.svg?branch=master)](https://coveralls.io/r/mattn/go-sqlite3?branch=master)
+[![Go Report Card](https://goreportcard.com/badge/github.com/mattn/go-sqlite3)](https://goreportcard.com/report/github.com/mattn/go-sqlite3)
+
+Description
+-----------
+
+sqlite3 driver conforming to the built-in database/sql interface
+
+Installation
+------------
+
+This package can be installed with the go get command:
+
+    go get github.com/mattn/go-sqlite3
+    
+_go-sqlite3_ is *cgo* package.
+If you want to build your app using go-sqlite3, you need gcc.
+However, if you install _go-sqlite3_ with `go install github.com/mattn/go-sqlite3`, you don't need gcc to build your app anymore.
+    
+Documentation
+-------------
+
+API documentation can be found here: http://godoc.org/github.com/mattn/go-sqlite3
+
+Examples can be found under the `./_example` directory
+
+FAQ
+---
+
+* Want to build go-sqlite3 with libsqlite3 on my linux.
+
+    Use `go build --tags "libsqlite3 linux"`
+
+* Want to build go-sqlite3 with libsqlite3 on OS X.
+
+    Install sqlite3 from homebrew: `brew install sqlite3`
+
+    Use `go build --tags "libsqlite3 darwin"`
+
+* Want to build go-sqlite3 with icu extension.
+
+   Use `go build --tags "icu"`
+
+   Available extensions: `json1`, `fts5`, `icu`
+
+* Can't build go-sqlite3 on windows 64bit.
+
+    > Probably, you are using go 1.0, go1.0 has a problem when it comes to compiling/linking on windows 64bit. 
+    > See: [#27](https://github.com/mattn/go-sqlite3/issues/27)
+
+* Getting insert error while query is opened.
+
+    > You can pass some arguments into the connection string, for example, a URI.
+    > See: [#39](https://github.com/mattn/go-sqlite3/issues/39)
+
+* Do you want to cross compile? mingw on Linux or Mac?
+
+    > See: [#106](https://github.com/mattn/go-sqlite3/issues/106)
+    > See also: http://www.limitlessfx.com/cross-compile-golang-app-for-windows-from-linux.html
+
+* Want to get time.Time with current locale
+
+    Use `loc=auto` in SQLite3 filename schema like `file:foo.db?loc=auto`.
+
+* Can use this in multiple routines concurrently?
+
+    Yes for readonly. But, No for writable. See [#50](https://github.com/mattn/go-sqlite3/issues/50), [#51](https://github.com/mattn/go-sqlite3/issues/51), [#209](https://github.com/mattn/go-sqlite3/issues/209).
+
+* Why is it racy if I use a `sql.Open("sqlite", ":memory:")` database?
+
+    Each connection to :memory: opens a brand new in-memory sql database, so if
+    the stdlib's sql engine happens to open another connection and you've only
+    specified ":memory:", that connection will see a brand new database. A
+    workaround is to use "file::memory:?mode=memory&cache=shared". Every
+    connection to this string will point to the same in-memory database. See
+    [#204](https://github.com/mattn/go-sqlite3/issues/204) for more info.
+
+License
+-------
+
+MIT: http://mattn.mit-license.org/2012
+
+sqlite3-binding.c, sqlite3-binding.h, sqlite3ext.h
+
+The -binding suffix was added to avoid build failures under gccgo.
+
+In this repository, those files are an amalgamation of code that was copied from SQLite3. The license of that code is the same as the license of SQLite3.
+
+Author
+------
+
+Yasuhiro Matsumoto (a.k.a mattn)

vendor/github.com/mattn/go-sqlite3/backup.go

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+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+package sqlite3
+
+/*
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+#include <stdlib.h>
+*/
+import "C"
+import (
+	"runtime"
+	"unsafe"
+)
+
+// SQLiteBackup implement interface of Backup.
+type SQLiteBackup struct {
+	b *C.sqlite3_backup
+}
+
+// Backup make backup from src to dest.
+func (c *SQLiteConn) Backup(dest string, conn *SQLiteConn, src string) (*SQLiteBackup, error) {
+	destptr := C.CString(dest)
+	defer C.free(unsafe.Pointer(destptr))
+	srcptr := C.CString(src)
+	defer C.free(unsafe.Pointer(srcptr))
+
+	if b := C.sqlite3_backup_init(c.db, destptr, conn.db, srcptr); b != nil {
+		bb := &SQLiteBackup{b: b}
+		runtime.SetFinalizer(bb, (*SQLiteBackup).Finish)
+		return bb, nil
+	}
+	return nil, c.lastError()
+}
+
+// Step to backs up for one step. Calls the underlying `sqlite3_backup_step`
+// function.  This function returns a boolean indicating if the backup is done
+// and an error signalling any other error. Done is returned if the underlying
+// C function returns SQLITE_DONE (Code 101)
+func (b *SQLiteBackup) Step(p int) (bool, error) {
+	ret := C.sqlite3_backup_step(b.b, C.int(p))
+	if ret == C.SQLITE_DONE {
+		return true, nil
+	} else if ret != 0 && ret != C.SQLITE_LOCKED && ret != C.SQLITE_BUSY {
+		return false, Error{Code: ErrNo(ret)}
+	}
+	return false, nil
+}
+
+// Remaining return whether have the rest for backup.
+func (b *SQLiteBackup) Remaining() int {
+	return int(C.sqlite3_backup_remaining(b.b))
+}
+
+// PageCount return count of pages.
+func (b *SQLiteBackup) PageCount() int {
+	return int(C.sqlite3_backup_pagecount(b.b))
+}
+
+// Finish close backup.
+func (b *SQLiteBackup) Finish() error {
+	return b.Close()
+}
+
+// Close close backup.
+func (b *SQLiteBackup) Close() error {
+	ret := C.sqlite3_backup_finish(b.b)
+
+	// sqlite3_backup_finish() never fails, it just returns the
+	// error code from previous operations, so clean up before
+	// checking and returning an error
+	b.b = nil
+	runtime.SetFinalizer(b, nil)
+
+	if ret != 0 {
+		return Error{Code: ErrNo(ret)}
+	}
+	return nil
+}

vendor/github.com/mattn/go-sqlite3/callback.go

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+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+package sqlite3
+
+// You can't export a Go function to C and have definitions in the C
+// preamble in the same file, so we have to have callbackTrampoline in
+// its own file. Because we need a separate file anyway, the support
+// code for SQLite custom functions is in here.
+
+/*
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+#include <stdlib.h>
+
+void _sqlite3_result_text(sqlite3_context* ctx, const char* s);
+void _sqlite3_result_blob(sqlite3_context* ctx, const void* b, int l);
+*/
+import "C"
+
+import (
+	"errors"
+	"fmt"
+	"math"
+	"reflect"
+	"sync"
+	"unsafe"
+)
+
+//export callbackTrampoline
+func callbackTrampoline(ctx *C.sqlite3_context, argc int, argv **C.sqlite3_value) {
+	args := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.sqlite3_value)(nil))]*C.sqlite3_value)(unsafe.Pointer(argv))[:argc:argc]
+	fi := lookupHandle(uintptr(C.sqlite3_user_data(ctx))).(*functionInfo)
+	fi.Call(ctx, args)
+}
+
+//export stepTrampoline
+func stepTrampoline(ctx *C.sqlite3_context, argc C.int, argv **C.sqlite3_value) {
+	args := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.sqlite3_value)(nil))]*C.sqlite3_value)(unsafe.Pointer(argv))[:int(argc):int(argc)]
+	ai := lookupHandle(uintptr(C.sqlite3_user_data(ctx))).(*aggInfo)
+	ai.Step(ctx, args)
+}
+
+//export doneTrampoline
+func doneTrampoline(ctx *C.sqlite3_context) {
+	handle := uintptr(C.sqlite3_user_data(ctx))
+	ai := lookupHandle(handle).(*aggInfo)
+	ai.Done(ctx)
+}
+
+// Use handles to avoid passing Go pointers to C.
+
+type handleVal struct {
+	db  *SQLiteConn
+	val interface{}
+}
+
+var handleLock sync.Mutex
+var handleVals = make(map[uintptr]handleVal)
+var handleIndex uintptr = 100
+
+func newHandle(db *SQLiteConn, v interface{}) uintptr {
+	handleLock.Lock()
+	defer handleLock.Unlock()
+	i := handleIndex
+	handleIndex++
+	handleVals[i] = handleVal{db, v}
+	return i
+}
+
+func lookupHandle(handle uintptr) interface{} {
+	handleLock.Lock()
+	defer handleLock.Unlock()
+	r, ok := handleVals[handle]
+	if !ok {
+		if handle >= 100 && handle < handleIndex {
+			panic("deleted handle")
+		} else {
+			panic("invalid handle")
+		}
+	}
+	return r.val
+}
+
+func deleteHandles(db *SQLiteConn) {
+	handleLock.Lock()
+	defer handleLock.Unlock()
+	for handle, val := range handleVals {
+		if val.db == db {
+			delete(handleVals, handle)
+		}
+	}
+}
+
+// This is only here so that tests can refer to it.
+type callbackArgRaw C.sqlite3_value
+
+type callbackArgConverter func(*C.sqlite3_value) (reflect.Value, error)
+
+type callbackArgCast struct {
+	f   callbackArgConverter
+	typ reflect.Type
+}
+
+func (c callbackArgCast) Run(v *C.sqlite3_value) (reflect.Value, error) {
+	val, err := c.f(v)
+	if err != nil {
+		return reflect.Value{}, err
+	}
+	if !val.Type().ConvertibleTo(c.typ) {
+		return reflect.Value{}, fmt.Errorf("cannot convert %s to %s", val.Type(), c.typ)
+	}
+	return val.Convert(c.typ), nil
+}
+
+func callbackArgInt64(v *C.sqlite3_value) (reflect.Value, error) {
+	if C.sqlite3_value_type(v) != C.SQLITE_INTEGER {
+		return reflect.Value{}, fmt.Errorf("argument must be an INTEGER")
+	}
+	return reflect.ValueOf(int64(C.sqlite3_value_int64(v))), nil
+}
+
+func callbackArgBool(v *C.sqlite3_value) (reflect.Value, error) {
+	if C.sqlite3_value_type(v) != C.SQLITE_INTEGER {
+		return reflect.Value{}, fmt.Errorf("argument must be an INTEGER")
+	}
+	i := int64(C.sqlite3_value_int64(v))
+	val := false
+	if i != 0 {
+		val = true
+	}
+	return reflect.ValueOf(val), nil
+}
+
+func callbackArgFloat64(v *C.sqlite3_value) (reflect.Value, error) {
+	if C.sqlite3_value_type(v) != C.SQLITE_FLOAT {
+		return reflect.Value{}, fmt.Errorf("argument must be a FLOAT")
+	}
+	return reflect.ValueOf(float64(C.sqlite3_value_double(v))), nil
+}
+
+func callbackArgBytes(v *C.sqlite3_value) (reflect.Value, error) {
+	switch C.sqlite3_value_type(v) {
+	case C.SQLITE_BLOB:
+		l := C.sqlite3_value_bytes(v)
+		p := C.sqlite3_value_blob(v)
+		return reflect.ValueOf(C.GoBytes(p, l)), nil
+	case C.SQLITE_TEXT:
+		l := C.sqlite3_value_bytes(v)
+		c := unsafe.Pointer(C.sqlite3_value_text(v))
+		return reflect.ValueOf(C.GoBytes(c, l)), nil
+	default:
+		return reflect.Value{}, fmt.Errorf("argument must be BLOB or TEXT")
+	}
+}
+
+func callbackArgString(v *C.sqlite3_value) (reflect.Value, error) {
+	switch C.sqlite3_value_type(v) {
+	case C.SQLITE_BLOB:
+		l := C.sqlite3_value_bytes(v)
+		p := (*C.char)(C.sqlite3_value_blob(v))
+		return reflect.ValueOf(C.GoStringN(p, l)), nil
+	case C.SQLITE_TEXT:
+		c := (*C.char)(unsafe.Pointer(C.sqlite3_value_text(v)))
+		return reflect.ValueOf(C.GoString(c)), nil
+	default:
+		return reflect.Value{}, fmt.Errorf("argument must be BLOB or TEXT")
+	}
+}
+
+func callbackArgGeneric(v *C.sqlite3_value) (reflect.Value, error) {
+	switch C.sqlite3_value_type(v) {
+	case C.SQLITE_INTEGER:
+		return callbackArgInt64(v)
+	case C.SQLITE_FLOAT:
+		return callbackArgFloat64(v)
+	case C.SQLITE_TEXT:
+		return callbackArgString(v)
+	case C.SQLITE_BLOB:
+		return callbackArgBytes(v)
+	case C.SQLITE_NULL:
+		// Interpret NULL as a nil byte slice.
+		var ret []byte
+		return reflect.ValueOf(ret), nil
+	default:
+		panic("unreachable")
+	}
+}
+
+func callbackArg(typ reflect.Type) (callbackArgConverter, error) {
+	switch typ.Kind() {
+	case reflect.Interface:
+		if typ.NumMethod() != 0 {
+			return nil, errors.New("the only supported interface type is interface{}")
+		}
+		return callbackArgGeneric, nil
+	case reflect.Slice:
+		if typ.Elem().Kind() != reflect.Uint8 {
+			return nil, errors.New("the only supported slice type is []byte")
+		}
+		return callbackArgBytes, nil
+	case reflect.String:
+		return callbackArgString, nil
+	case reflect.Bool:
+		return callbackArgBool, nil
+	case reflect.Int64:
+		return callbackArgInt64, nil
+	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Int, reflect.Uint:
+		c := callbackArgCast{callbackArgInt64, typ}
+		return c.Run, nil
+	case reflect.Float64:
+		return callbackArgFloat64, nil
+	case reflect.Float32:
+		c := callbackArgCast{callbackArgFloat64, typ}
+		return c.Run, nil
+	default:
+		return nil, fmt.Errorf("don't know how to convert to %s", typ)
+	}
+}
+
+func callbackConvertArgs(argv []*C.sqlite3_value, converters []callbackArgConverter, variadic callbackArgConverter) ([]reflect.Value, error) {
+	var args []reflect.Value
+
+	if len(argv) < len(converters) {
+		return nil, fmt.Errorf("function requires at least %d arguments", len(converters))
+	}
+
+	for i, arg := range argv[:len(converters)] {
+		v, err := converters[i](arg)
+		if err != nil {
+			return nil, err
+		}
+		args = append(args, v)
+	}
+
+	if variadic != nil {
+		for _, arg := range argv[len(converters):] {
+			v, err := variadic(arg)
+			if err != nil {
+				return nil, err
+			}
+			args = append(args, v)
+		}
+	}
+	return args, nil
+}
+
+type callbackRetConverter func(*C.sqlite3_context, reflect.Value) error
+
+func callbackRetInteger(ctx *C.sqlite3_context, v reflect.Value) error {
+	switch v.Type().Kind() {
+	case reflect.Int64:
+	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Int, reflect.Uint:
+		v = v.Convert(reflect.TypeOf(int64(0)))
+	case reflect.Bool:
+		b := v.Interface().(bool)
+		if b {
+			v = reflect.ValueOf(int64(1))
+		} else {
+			v = reflect.ValueOf(int64(0))
+		}
+	default:
+		return fmt.Errorf("cannot convert %s to INTEGER", v.Type())
+	}
+
+	C.sqlite3_result_int64(ctx, C.sqlite3_int64(v.Interface().(int64)))
+	return nil
+}
+
+func callbackRetFloat(ctx *C.sqlite3_context, v reflect.Value) error {
+	switch v.Type().Kind() {
+	case reflect.Float64:
+	case reflect.Float32:
+		v = v.Convert(reflect.TypeOf(float64(0)))
+	default:
+		return fmt.Errorf("cannot convert %s to FLOAT", v.Type())
+	}
+
+	C.sqlite3_result_double(ctx, C.double(v.Interface().(float64)))
+	return nil
+}
+
+func callbackRetBlob(ctx *C.sqlite3_context, v reflect.Value) error {
+	if v.Type().Kind() != reflect.Slice || v.Type().Elem().Kind() != reflect.Uint8 {
+		return fmt.Errorf("cannot convert %s to BLOB", v.Type())
+	}
+	i := v.Interface()
+	if i == nil || len(i.([]byte)) == 0 {
+		C.sqlite3_result_null(ctx)
+	} else {
+		bs := i.([]byte)
+		C._sqlite3_result_blob(ctx, unsafe.Pointer(&bs[0]), C.int(len(bs)))
+	}
+	return nil
+}
+
+func callbackRetText(ctx *C.sqlite3_context, v reflect.Value) error {
+	if v.Type().Kind() != reflect.String {
+		return fmt.Errorf("cannot convert %s to TEXT", v.Type())
+	}
+	C._sqlite3_result_text(ctx, C.CString(v.Interface().(string)))
+	return nil
+}
+
+func callbackRet(typ reflect.Type) (callbackRetConverter, error) {
+	switch typ.Kind() {
+	case reflect.Slice:
+		if typ.Elem().Kind() != reflect.Uint8 {
+			return nil, errors.New("the only supported slice type is []byte")
+		}
+		return callbackRetBlob, nil
+	case reflect.String:
+		return callbackRetText, nil
+	case reflect.Bool, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Int, reflect.Uint:
+		return callbackRetInteger, nil
+	case reflect.Float32, reflect.Float64:
+		return callbackRetFloat, nil
+	default:
+		return nil, fmt.Errorf("don't know how to convert to %s", typ)
+	}
+}
+
+func callbackError(ctx *C.sqlite3_context, err error) {
+	cstr := C.CString(err.Error())
+	defer C.free(unsafe.Pointer(cstr))
+	C.sqlite3_result_error(ctx, cstr, -1)
+}
+
+// Test support code. Tests are not allowed to import "C", so we can't
+// declare any functions that use C.sqlite3_value.
+func callbackSyntheticForTests(v reflect.Value, err error) callbackArgConverter {
+	return func(*C.sqlite3_value) (reflect.Value, error) {
+		return v, err
+	}
+}

vendor/github.com/mattn/go-sqlite3/doc.go

@@ -0,0 +1,112 @@
+/*
+Package sqlite3 provides interface to SQLite3 databases.
+
+This works as a driver for database/sql.
+
+Installation
+
+    go get github.com/mattn/go-sqlite3
+
+Supported Types
+
+Currently, go-sqlite3 supports the following data types.
+
+    +------------------------------+
+    |go        | sqlite3           |
+    |----------|-------------------|
+    |nil       | null              |
+    |int       | integer           |
+    |int64     | integer           |
+    |float64   | float             |
+    |bool      | integer           |
+    |[]byte    | blob              |
+    |string    | text              |
+    |time.Time | timestamp/datetime|
+    +------------------------------+
+
+SQLite3 Extension
+
+You can write your own extension module for sqlite3. For example, below is an
+extension for a Regexp matcher operation.
+
+    #include <pcre.h>
+    #include <string.h>
+    #include <stdio.h>
+    #include <sqlite3ext.h>
+
+    SQLITE_EXTENSION_INIT1
+    static void regexp_func(sqlite3_context *context, int argc, sqlite3_value **argv) {
+      if (argc >= 2) {
+        const char *target  = (const char *)sqlite3_value_text(argv[1]);
+        const char *pattern = (const char *)sqlite3_value_text(argv[0]);
+        const char* errstr = NULL;
+        int erroff = 0;
+        int vec[500];
+        int n, rc;
+        pcre* re = pcre_compile(pattern, 0, &errstr, &erroff, NULL);
+        rc = pcre_exec(re, NULL, target, strlen(target), 0, 0, vec, 500);
+        if (rc <= 0) {
+          sqlite3_result_error(context, errstr, 0);
+          return;
+        }
+        sqlite3_result_int(context, 1);
+      }
+    }
+
+    #ifdef _WIN32
+    __declspec(dllexport)
+    #endif
+    int sqlite3_extension_init(sqlite3 *db, char **errmsg,
+          const sqlite3_api_routines *api) {
+      SQLITE_EXTENSION_INIT2(api);
+      return sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8,
+          (void*)db, regexp_func, NULL, NULL);
+    }
+
+It needs to be built as a so/dll shared library. And you need to register
+the extension module like below.
+
+	sql.Register("sqlite3_with_extensions",
+		&sqlite3.SQLiteDriver{
+			Extensions: []string{
+				"sqlite3_mod_regexp",
+			},
+		})
+
+Then, you can use this extension.
+
+	rows, err := db.Query("select text from mytable where name regexp '^golang'")
+
+Connection Hook
+
+You can hook and inject your code when the connection is established. database/sql
+doesn't provide a way to get native go-sqlite3 interfaces. So if you want,
+you need to set ConnectHook and get the SQLiteConn.
+
+	sql.Register("sqlite3_with_hook_example",
+			&sqlite3.SQLiteDriver{
+					ConnectHook: func(conn *sqlite3.SQLiteConn) error {
+						sqlite3conn = append(sqlite3conn, conn)
+						return nil
+					},
+			})
+
+Go SQlite3 Extensions
+
+If you want to register Go functions as SQLite extension functions,
+call RegisterFunction from ConnectHook.
+
+	regex = func(re, s string) (bool, error) {
+		return regexp.MatchString(re, s)
+	}
+	sql.Register("sqlite3_with_go_func",
+			&sqlite3.SQLiteDriver{
+					ConnectHook: func(conn *sqlite3.SQLiteConn) error {
+						return conn.RegisterFunc("regexp", regex, true)
+					},
+			})
+
+See the documentation of RegisterFunc for more details.
+
+*/
+package sqlite3

vendor/github.com/mattn/go-sqlite3/error.go

@@ -0,0 +1,135 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+package sqlite3
+
+import "C"
+
+// ErrNo inherit errno.
+type ErrNo int
+
+// ErrNoMask is mask code.
+const ErrNoMask C.int = 0xff
+
+// ErrNoExtended is extended errno.
+type ErrNoExtended int
+
+// Error implement sqlite error code.
+type Error struct {
+	Code         ErrNo         /* The error code returned by SQLite */
+	ExtendedCode ErrNoExtended /* The extended error code returned by SQLite */
+	err          string        /* The error string returned by sqlite3_errmsg(),
+	this usually contains more specific details. */
+}
+
+// result codes from http://www.sqlite.org/c3ref/c_abort.html
+var (
+	ErrError      = ErrNo(1)  /* SQL error or missing database */
+	ErrInternal   = ErrNo(2)  /* Internal logic error in SQLite */
+	ErrPerm       = ErrNo(3)  /* Access permission denied */
+	ErrAbort      = ErrNo(4)  /* Callback routine requested an abort */
+	ErrBusy       = ErrNo(5)  /* The database file is locked */
+	ErrLocked     = ErrNo(6)  /* A table in the database is locked */
+	ErrNomem      = ErrNo(7)  /* A malloc() failed */
+	ErrReadonly   = ErrNo(8)  /* Attempt to write a readonly database */
+	ErrInterrupt  = ErrNo(9)  /* Operation terminated by sqlite3_interrupt() */
+	ErrIoErr      = ErrNo(10) /* Some kind of disk I/O error occurred */
+	ErrCorrupt    = ErrNo(11) /* The database disk image is malformed */
+	ErrNotFound   = ErrNo(12) /* Unknown opcode in sqlite3_file_control() */
+	ErrFull       = ErrNo(13) /* Insertion failed because database is full */
+	ErrCantOpen   = ErrNo(14) /* Unable to open the database file */
+	ErrProtocol   = ErrNo(15) /* Database lock protocol error */
+	ErrEmpty      = ErrNo(16) /* Database is empty */
+	ErrSchema     = ErrNo(17) /* The database schema changed */
+	ErrTooBig     = ErrNo(18) /* String or BLOB exceeds size limit */
+	ErrConstraint = ErrNo(19) /* Abort due to constraint violation */
+	ErrMismatch   = ErrNo(20) /* Data type mismatch */
+	ErrMisuse     = ErrNo(21) /* Library used incorrectly */
+	ErrNoLFS      = ErrNo(22) /* Uses OS features not supported on host */
+	ErrAuth       = ErrNo(23) /* Authorization denied */
+	ErrFormat     = ErrNo(24) /* Auxiliary database format error */
+	ErrRange      = ErrNo(25) /* 2nd parameter to sqlite3_bind out of range */
+	ErrNotADB     = ErrNo(26) /* File opened that is not a database file */
+	ErrNotice     = ErrNo(27) /* Notifications from sqlite3_log() */
+	ErrWarning    = ErrNo(28) /* Warnings from sqlite3_log() */
+)
+
+// Error return error message from errno.
+func (err ErrNo) Error() string {
+	return Error{Code: err}.Error()
+}
+
+// Extend return extended errno.
+func (err ErrNo) Extend(by int) ErrNoExtended {
+	return ErrNoExtended(int(err) | (by << 8))
+}
+
+// Error return error message that is extended code.
+func (err ErrNoExtended) Error() string {
+	return Error{Code: ErrNo(C.int(err) & ErrNoMask), ExtendedCode: err}.Error()
+}
+
+func (err Error) Error() string {
+	if err.err != "" {
+		return err.err
+	}
+	return errorString(err)
+}
+
+// result codes from http://www.sqlite.org/c3ref/c_abort_rollback.html
+var (
+	ErrIoErrRead              = ErrIoErr.Extend(1)
+	ErrIoErrShortRead         = ErrIoErr.Extend(2)
+	ErrIoErrWrite             = ErrIoErr.Extend(3)
+	ErrIoErrFsync             = ErrIoErr.Extend(4)
+	ErrIoErrDirFsync          = ErrIoErr.Extend(5)
+	ErrIoErrTruncate          = ErrIoErr.Extend(6)
+	ErrIoErrFstat             = ErrIoErr.Extend(7)
+	ErrIoErrUnlock            = ErrIoErr.Extend(8)
+	ErrIoErrRDlock            = ErrIoErr.Extend(9)
+	ErrIoErrDelete            = ErrIoErr.Extend(10)
+	ErrIoErrBlocked           = ErrIoErr.Extend(11)
+	ErrIoErrNoMem             = ErrIoErr.Extend(12)
+	ErrIoErrAccess            = ErrIoErr.Extend(13)
+	ErrIoErrCheckReservedLock = ErrIoErr.Extend(14)
+	ErrIoErrLock              = ErrIoErr.Extend(15)
+	ErrIoErrClose             = ErrIoErr.Extend(16)
+	ErrIoErrDirClose          = ErrIoErr.Extend(17)
+	ErrIoErrSHMOpen           = ErrIoErr.Extend(18)
+	ErrIoErrSHMSize           = ErrIoErr.Extend(19)
+	ErrIoErrSHMLock           = ErrIoErr.Extend(20)
+	ErrIoErrSHMMap            = ErrIoErr.Extend(21)
+	ErrIoErrSeek              = ErrIoErr.Extend(22)
+	ErrIoErrDeleteNoent       = ErrIoErr.Extend(23)
+	ErrIoErrMMap              = ErrIoErr.Extend(24)
+	ErrIoErrGetTempPath       = ErrIoErr.Extend(25)
+	ErrIoErrConvPath          = ErrIoErr.Extend(26)
+	ErrLockedSharedCache      = ErrLocked.Extend(1)
+	ErrBusyRecovery           = ErrBusy.Extend(1)
+	ErrBusySnapshot           = ErrBusy.Extend(2)
+	ErrCantOpenNoTempDir      = ErrCantOpen.Extend(1)
+	ErrCantOpenIsDir          = ErrCantOpen.Extend(2)
+	ErrCantOpenFullPath       = ErrCantOpen.Extend(3)
+	ErrCantOpenConvPath       = ErrCantOpen.Extend(4)
+	ErrCorruptVTab            = ErrCorrupt.Extend(1)
+	ErrReadonlyRecovery       = ErrReadonly.Extend(1)
+	ErrReadonlyCantLock       = ErrReadonly.Extend(2)
+	ErrReadonlyRollback       = ErrReadonly.Extend(3)
+	ErrReadonlyDbMoved        = ErrReadonly.Extend(4)
+	ErrAbortRollback          = ErrAbort.Extend(2)
+	ErrConstraintCheck        = ErrConstraint.Extend(1)
+	ErrConstraintCommitHook   = ErrConstraint.Extend(2)
+	ErrConstraintForeignKey   = ErrConstraint.Extend(3)
+	ErrConstraintFunction     = ErrConstraint.Extend(4)
+	ErrConstraintNotNull      = ErrConstraint.Extend(5)
+	ErrConstraintPrimaryKey   = ErrConstraint.Extend(6)
+	ErrConstraintTrigger      = ErrConstraint.Extend(7)
+	ErrConstraintUnique       = ErrConstraint.Extend(8)
+	ErrConstraintVTab         = ErrConstraint.Extend(9)
+	ErrConstraintRowID        = ErrConstraint.Extend(10)
+	ErrNoticeRecoverWAL       = ErrNotice.Extend(1)
+	ErrNoticeRecoverRollback  = ErrNotice.Extend(2)
+	ErrWarningAutoIndex       = ErrWarning.Extend(1)
+)

vendor/github.com/mattn/go-sqlite3/sqlite3.go

@@ -0,0 +1,974 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -std=gnu99
+#cgo CFLAGS: -DSQLITE_ENABLE_RTREE -DSQLITE_THREADSAFE
+#cgo CFLAGS: -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS4_UNICODE61
+#cgo CFLAGS: -DSQLITE_TRACE_SIZE_LIMIT=15
+#cgo CFLAGS: -DSQLITE_DISABLE_INTRINSIC
+#cgo CFLAGS: -Wno-deprecated-declarations
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef __CYGWIN__
+# include <errno.h>
+#endif
+
+#ifndef SQLITE_OPEN_READWRITE
+# define SQLITE_OPEN_READWRITE 0
+#endif
+
+#ifndef SQLITE_OPEN_FULLMUTEX
+# define SQLITE_OPEN_FULLMUTEX 0
+#endif
+
+#ifndef SQLITE_DETERMINISTIC
+# define SQLITE_DETERMINISTIC 0
+#endif
+
+static int
+_sqlite3_open_v2(const char *filename, sqlite3 **ppDb, int flags, const char *zVfs) {
+#ifdef SQLITE_OPEN_URI
+  return sqlite3_open_v2(filename, ppDb, flags | SQLITE_OPEN_URI, zVfs);
+#else
+  return sqlite3_open_v2(filename, ppDb, flags, zVfs);
+#endif
+}
+
+static int
+_sqlite3_bind_text(sqlite3_stmt *stmt, int n, char *p, int np) {
+  return sqlite3_bind_text(stmt, n, p, np, SQLITE_TRANSIENT);
+}
+
+static int
+_sqlite3_bind_blob(sqlite3_stmt *stmt, int n, void *p, int np) {
+  return sqlite3_bind_blob(stmt, n, p, np, SQLITE_TRANSIENT);
+}
+
+#include <stdio.h>
+#include <stdint.h>
+
+static int
+_sqlite3_exec(sqlite3* db, const char* pcmd, long long* rowid, long long* changes)
+{
+  int rv = sqlite3_exec(db, pcmd, 0, 0, 0);
+  *rowid = (long long) sqlite3_last_insert_rowid(db);
+  *changes = (long long) sqlite3_changes(db);
+  return rv;
+}
+
+static int
+_sqlite3_step(sqlite3_stmt* stmt, long long* rowid, long long* changes)
+{
+  int rv = sqlite3_step(stmt);
+  sqlite3* db = sqlite3_db_handle(stmt);
+  *rowid = (long long) sqlite3_last_insert_rowid(db);
+  *changes = (long long) sqlite3_changes(db);
+  return rv;
+}
+
+void _sqlite3_result_text(sqlite3_context* ctx, const char* s) {
+  sqlite3_result_text(ctx, s, -1, &free);
+}
+
+void _sqlite3_result_blob(sqlite3_context* ctx, const void* b, int l) {
+  sqlite3_result_blob(ctx, b, l, SQLITE_TRANSIENT);
+}
+
+
+int _sqlite3_create_function(
+  sqlite3 *db,
+  const char *zFunctionName,
+  int nArg,
+  int eTextRep,
+  uintptr_t pApp,
+  void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
+  void (*xStep)(sqlite3_context*,int,sqlite3_value**),
+  void (*xFinal)(sqlite3_context*)
+) {
+  return sqlite3_create_function(db, zFunctionName, nArg, eTextRep, (void*) pApp, xFunc, xStep, xFinal);
+}
+
+void callbackTrampoline(sqlite3_context*, int, sqlite3_value**);
+*/
+import "C"
+import (
+	"database/sql"
+	"database/sql/driver"
+	"errors"
+	"fmt"
+	"io"
+	"net/url"
+	"reflect"
+	"runtime"
+	"strconv"
+	"strings"
+	"time"
+	"unsafe"
+
+	"golang.org/x/net/context"
+)
+
+// SQLiteTimestampFormats is timestamp formats understood by both this module
+// and SQLite.  The first format in the slice will be used when saving time
+// values into the database. When parsing a string from a timestamp or datetime
+// column, the formats are tried in order.
+var SQLiteTimestampFormats = []string{
+	// By default, store timestamps with whatever timezone they come with.
+	// When parsed, they will be returned with the same timezone.
+	"2006-01-02 15:04:05.999999999-07:00",
+	"2006-01-02T15:04:05.999999999-07:00",
+	"2006-01-02 15:04:05.999999999",
+	"2006-01-02T15:04:05.999999999",
+	"2006-01-02 15:04:05",
+	"2006-01-02T15:04:05",
+	"2006-01-02 15:04",
+	"2006-01-02T15:04",
+	"2006-01-02",
+}
+
+func init() {
+	sql.Register("sqlite3", &SQLiteDriver{})
+}
+
+// Version returns SQLite library version information.
+func Version() (libVersion string, libVersionNumber int, sourceID string) {
+	libVersion = C.GoString(C.sqlite3_libversion())
+	libVersionNumber = int(C.sqlite3_libversion_number())
+	sourceID = C.GoString(C.sqlite3_sourceid())
+	return libVersion, libVersionNumber, sourceID
+}
+
+// SQLiteDriver implement sql.Driver.
+type SQLiteDriver struct {
+	Extensions  []string
+	ConnectHook func(*SQLiteConn) error
+}
+
+// SQLiteConn implement sql.Conn.
+type SQLiteConn struct {
+	db          *C.sqlite3
+	loc         *time.Location
+	txlock      string
+	funcs       []*functionInfo
+	aggregators []*aggInfo
+}
+
+// SQLiteTx implemen sql.Tx.
+type SQLiteTx struct {
+	c *SQLiteConn
+}
+
+// SQLiteStmt implement sql.Stmt.
+type SQLiteStmt struct {
+	c      *SQLiteConn
+	s      *C.sqlite3_stmt
+	t      string
+	closed bool
+	cls    bool
+}
+
+// SQLiteResult implement sql.Result.
+type SQLiteResult struct {
+	id      int64
+	changes int64
+}
+
+// SQLiteRows implement sql.Rows.
+type SQLiteRows struct {
+	s        *SQLiteStmt
+	nc       int
+	cols     []string
+	decltype []string
+	cls      bool
+	done     chan struct{}
+}
+
+type functionInfo struct {
+	f                 reflect.Value
+	argConverters     []callbackArgConverter
+	variadicConverter callbackArgConverter
+	retConverter      callbackRetConverter
+}
+
+func (fi *functionInfo) Call(ctx *C.sqlite3_context, argv []*C.sqlite3_value) {
+	args, err := callbackConvertArgs(argv, fi.argConverters, fi.variadicConverter)
+	if err != nil {
+		callbackError(ctx, err)
+		return
+	}
+
+	ret := fi.f.Call(args)
+
+	if len(ret) == 2 && ret[1].Interface() != nil {
+		callbackError(ctx, ret[1].Interface().(error))
+		return
+	}
+
+	err = fi.retConverter(ctx, ret[0])
+	if err != nil {
+		callbackError(ctx, err)
+		return
+	}
+}
+
+type aggInfo struct {
+	constructor reflect.Value
+
+	// Active aggregator objects for aggregations in flight. The
+	// aggregators are indexed by a counter stored in the aggregation
+	// user data space provided by sqlite.
+	active map[int64]reflect.Value
+	next   int64
+
+	stepArgConverters     []callbackArgConverter
+	stepVariadicConverter callbackArgConverter
+
+	doneRetConverter callbackRetConverter
+}
+
+func (ai *aggInfo) agg(ctx *C.sqlite3_context) (int64, reflect.Value, error) {
+	aggIdx := (*int64)(C.sqlite3_aggregate_context(ctx, C.int(8)))
+	if *aggIdx == 0 {
+		*aggIdx = ai.next
+		ret := ai.constructor.Call(nil)
+		if len(ret) == 2 && ret[1].Interface() != nil {
+			return 0, reflect.Value{}, ret[1].Interface().(error)
+		}
+		if ret[0].IsNil() {
+			return 0, reflect.Value{}, errors.New("aggregator constructor returned nil state")
+		}
+		ai.next++
+		ai.active[*aggIdx] = ret[0]
+	}
+	return *aggIdx, ai.active[*aggIdx], nil
+}
+
+func (ai *aggInfo) Step(ctx *C.sqlite3_context, argv []*C.sqlite3_value) {
+	_, agg, err := ai.agg(ctx)
+	if err != nil {
+		callbackError(ctx, err)
+		return
+	}
+
+	args, err := callbackConvertArgs(argv, ai.stepArgConverters, ai.stepVariadicConverter)
+	if err != nil {
+		callbackError(ctx, err)
+		return
+	}
+
+	ret := agg.MethodByName("Step").Call(args)
+	if len(ret) == 1 && ret[0].Interface() != nil {
+		callbackError(ctx, ret[0].Interface().(error))
+		return
+	}
+}
+
+func (ai *aggInfo) Done(ctx *C.sqlite3_context) {
+	idx, agg, err := ai.agg(ctx)
+	if err != nil {
+		callbackError(ctx, err)
+		return
+	}
+	defer func() { delete(ai.active, idx) }()
+
+	ret := agg.MethodByName("Done").Call(nil)
+	if len(ret) == 2 && ret[1].Interface() != nil {
+		callbackError(ctx, ret[1].Interface().(error))
+		return
+	}
+
+	err = ai.doneRetConverter(ctx, ret[0])
+	if err != nil {
+		callbackError(ctx, err)
+		return
+	}
+}
+
+// Commit transaction.
+func (tx *SQLiteTx) Commit() error {
+	_, err := tx.c.exec(context.Background(), "COMMIT", nil)
+	if err != nil && err.(Error).Code == C.SQLITE_BUSY {
+		// sqlite3 will leave the transaction open in this scenario.
+		// However, database/sql considers the transaction complete once we
+		// return from Commit() - we must clean up to honour its semantics.
+		tx.c.exec(context.Background(), "ROLLBACK", nil)
+	}
+	return err
+}
+
+// Rollback transaction.
+func (tx *SQLiteTx) Rollback() error {
+	_, err := tx.c.exec(context.Background(), "ROLLBACK", nil)
+	return err
+}
+
+// RegisterFunc makes a Go function available as a SQLite function.
+//
+// The Go function can have arguments of the following types: any
+// numeric type except complex, bool, []byte, string and
+// interface{}. interface{} arguments are given the direct translation
+// of the SQLite data type: int64 for INTEGER, float64 for FLOAT,
+// []byte for BLOB, string for TEXT.
+//
+// The function can additionally be variadic, as long as the type of
+// the variadic argument is one of the above.
+//
+// If pure is true. SQLite will assume that the function's return
+// value depends only on its inputs, and make more aggressive
+// optimizations in its queries.
+//
+// See _example/go_custom_funcs for a detailed example.
+func (c *SQLiteConn) RegisterFunc(name string, impl interface{}, pure bool) error {
+	var fi functionInfo
+	fi.f = reflect.ValueOf(impl)
+	t := fi.f.Type()
+	if t.Kind() != reflect.Func {
+		return errors.New("Non-function passed to RegisterFunc")
+	}
+	if t.NumOut() != 1 && t.NumOut() != 2 {
+		return errors.New("SQLite functions must return 1 or 2 values")
+	}
+	if t.NumOut() == 2 && !t.Out(1).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
+		return errors.New("Second return value of SQLite function must be error")
+	}
+
+	numArgs := t.NumIn()
+	if t.IsVariadic() {
+		numArgs--
+	}
+
+	for i := 0; i < numArgs; i++ {
+		conv, err := callbackArg(t.In(i))
+		if err != nil {
+			return err
+		}
+		fi.argConverters = append(fi.argConverters, conv)
+	}
+
+	if t.IsVariadic() {
+		conv, err := callbackArg(t.In(numArgs).Elem())
+		if err != nil {
+			return err
+		}
+		fi.variadicConverter = conv
+		// Pass -1 to sqlite so that it allows any number of
+		// arguments. The call helper verifies that the minimum number
+		// of arguments is present for variadic functions.
+		numArgs = -1
+	}
+
+	conv, err := callbackRet(t.Out(0))
+	if err != nil {
+		return err
+	}
+	fi.retConverter = conv
+
+	// fi must outlast the database connection, or we'll have dangling pointers.
+	c.funcs = append(c.funcs, &fi)
+
+	cname := C.CString(name)
+	defer C.free(unsafe.Pointer(cname))
+	opts := C.SQLITE_UTF8
+	if pure {
+		opts |= C.SQLITE_DETERMINISTIC
+	}
+	rv := sqlite3CreateFunction(c.db, cname, C.int(numArgs), C.int(opts), newHandle(c, &fi), C.callbackTrampoline, nil, nil)
+	if rv != C.SQLITE_OK {
+		return c.lastError()
+	}
+	return nil
+}
+
+func sqlite3CreateFunction(db *C.sqlite3, zFunctionName *C.char, nArg C.int, eTextRep C.int, pApp uintptr, xFunc unsafe.Pointer, xStep unsafe.Pointer, xFinal unsafe.Pointer) C.int {
+	return C._sqlite3_create_function(db, zFunctionName, nArg, eTextRep, C.uintptr_t(pApp), (*[0]byte)(unsafe.Pointer(xFunc)), (*[0]byte)(unsafe.Pointer(xStep)), (*[0]byte)(unsafe.Pointer(xFinal)))
+}
+
+// AutoCommit return which currently auto commit or not.
+func (c *SQLiteConn) AutoCommit() bool {
+	return int(C.sqlite3_get_autocommit(c.db)) != 0
+}
+
+func (c *SQLiteConn) lastError() error {
+	rv := C.sqlite3_errcode(c.db)
+	if rv == C.SQLITE_OK {
+		return nil
+	}
+	return Error{
+		Code:         ErrNo(rv),
+		ExtendedCode: ErrNoExtended(C.sqlite3_extended_errcode(c.db)),
+		err:          C.GoString(C.sqlite3_errmsg(c.db)),
+	}
+}
+
+// Exec implements Execer.
+func (c *SQLiteConn) Exec(query string, args []driver.Value) (driver.Result, error) {
+	list := make([]namedValue, len(args))
+	for i, v := range args {
+		list[i] = namedValue{
+			Ordinal: i + 1,
+			Value:   v,
+		}
+	}
+	return c.exec(context.Background(), query, list)
+}
+
+func (c *SQLiteConn) exec(ctx context.Context, query string, args []namedValue) (driver.Result, error) {
+	start := 0
+	for {
+		s, err := c.prepare(ctx, query)
+		if err != nil {
+			return nil, err
+		}
+		var res driver.Result
+		if s.(*SQLiteStmt).s != nil {
+			na := s.NumInput()
+			if len(args) < na {
+				s.Close()
+				return nil, fmt.Errorf("not enough args to execute query: want %d got %d", na, len(args))
+			}
+			for i := 0; i < na; i++ {
+				args[i].Ordinal -= start
+			}
+			res, err = s.(*SQLiteStmt).exec(ctx, args[:na])
+			if err != nil && err != driver.ErrSkip {
+				s.Close()
+				return nil, err
+			}
+			args = args[na:]
+			start += na
+		}
+		tail := s.(*SQLiteStmt).t
+		s.Close()
+		if tail == "" {
+			return res, nil
+		}
+		query = tail
+	}
+}
+
+type namedValue struct {
+	Name    string
+	Ordinal int
+	Value   driver.Value
+}
+
+// Query implements Queryer.
+func (c *SQLiteConn) Query(query string, args []driver.Value) (driver.Rows, error) {
+	list := make([]namedValue, len(args))
+	for i, v := range args {
+		list[i] = namedValue{
+			Ordinal: i + 1,
+			Value:   v,
+		}
+	}
+	return c.query(context.Background(), query, list)
+}
+
+func (c *SQLiteConn) query(ctx context.Context, query string, args []namedValue) (driver.Rows, error) {
+	start := 0
+	for {
+		s, err := c.prepare(ctx, query)
+		if err != nil {
+			return nil, err
+		}
+		s.(*SQLiteStmt).cls = true
+		na := s.NumInput()
+		if len(args) < na {
+			return nil, fmt.Errorf("not enough args to execute query: want %d got %d", na, len(args))
+		}
+		for i := 0; i < na; i++ {
+			args[i].Ordinal -= start
+		}
+		rows, err := s.(*SQLiteStmt).query(ctx, args[:na])
+		if err != nil && err != driver.ErrSkip {
+			s.Close()
+			return rows, err
+		}
+		args = args[na:]
+		start += na
+		tail := s.(*SQLiteStmt).t
+		if tail == "" {
+			return rows, nil
+		}
+		rows.Close()
+		s.Close()
+		query = tail
+	}
+}
+
+// Begin transaction.
+func (c *SQLiteConn) Begin() (driver.Tx, error) {
+	return c.begin(context.Background())
+}
+
+func (c *SQLiteConn) begin(ctx context.Context) (driver.Tx, error) {
+	if _, err := c.exec(ctx, c.txlock, nil); err != nil {
+		return nil, err
+	}
+	return &SQLiteTx{c}, nil
+}
+
+func errorString(err Error) string {
+	return C.GoString(C.sqlite3_errstr(C.int(err.Code)))
+}
+
+// Open database and return a new connection.
+// You can specify a DSN string using a URI as the filename.
+//   test.db
+//   file:test.db?cache=shared&mode=memory
+//   :memory:
+//   file::memory:
+// go-sqlite3 adds the following query parameters to those used by SQLite:
+//   _loc=XXX
+//     Specify location of time format. It's possible to specify "auto".
+//   _busy_timeout=XXX
+//     Specify value for sqlite3_busy_timeout.
+//   _txlock=XXX
+//     Specify locking behavior for transactions.  XXX can be "immediate",
+//     "deferred", "exclusive".
+func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
+	if C.sqlite3_threadsafe() == 0 {
+		return nil, errors.New("sqlite library was not compiled for thread-safe operation")
+	}
+
+	var loc *time.Location
+	txlock := "BEGIN"
+	busyTimeout := 5000
+	pos := strings.IndexRune(dsn, '?')
+	if pos >= 1 {
+		params, err := url.ParseQuery(dsn[pos+1:])
+		if err != nil {
+			return nil, err
+		}
+
+		// _loc
+		if val := params.Get("_loc"); val != "" {
+			if val == "auto" {
+				loc = time.Local
+			} else {
+				loc, err = time.LoadLocation(val)
+				if err != nil {
+					return nil, fmt.Errorf("Invalid _loc: %v: %v", val, err)
+				}
+			}
+		}
+
+		// _busy_timeout
+		if val := params.Get("_busy_timeout"); val != "" {
+			iv, err := strconv.ParseInt(val, 10, 64)
+			if err != nil {
+				return nil, fmt.Errorf("Invalid _busy_timeout: %v: %v", val, err)
+			}
+			busyTimeout = int(iv)
+		}
+
+		// _txlock
+		if val := params.Get("_txlock"); val != "" {
+			switch val {
+			case "immediate":
+				txlock = "BEGIN IMMEDIATE"
+			case "exclusive":
+				txlock = "BEGIN EXCLUSIVE"
+			case "deferred":
+				txlock = "BEGIN"
+			default:
+				return nil, fmt.Errorf("Invalid _txlock: %v", val)
+			}
+		}
+
+		if !strings.HasPrefix(dsn, "file:") {
+			dsn = dsn[:pos]
+		}
+	}
+
+	var db *C.sqlite3
+	name := C.CString(dsn)
+	defer C.free(unsafe.Pointer(name))
+	rv := C._sqlite3_open_v2(name, &db,
+		C.SQLITE_OPEN_FULLMUTEX|
+			C.SQLITE_OPEN_READWRITE|
+			C.SQLITE_OPEN_CREATE,
+		nil)
+	if rv != 0 {
+		return nil, Error{Code: ErrNo(rv)}
+	}
+	if db == nil {
+		return nil, errors.New("sqlite succeeded without returning a database")
+	}
+
+	rv = C.sqlite3_busy_timeout(db, C.int(busyTimeout))
+	if rv != C.SQLITE_OK {
+		return nil, Error{Code: ErrNo(rv)}
+	}
+
+	conn := &SQLiteConn{db: db, loc: loc, txlock: txlock}
+
+	if len(d.Extensions) > 0 {
+		if err := conn.loadExtensions(d.Extensions); err != nil {
+			conn.Close()
+			return nil, err
+		}
+	}
+
+	if d.ConnectHook != nil {
+		if err := d.ConnectHook(conn); err != nil {
+			conn.Close()
+			return nil, err
+		}
+	}
+	runtime.SetFinalizer(conn, (*SQLiteConn).Close)
+	return conn, nil
+}
+
+// Close the connection.
+func (c *SQLiteConn) Close() error {
+	rv := C.sqlite3_close_v2(c.db)
+	if rv != C.SQLITE_OK {
+		return c.lastError()
+	}
+	deleteHandles(c)
+	c.db = nil
+	runtime.SetFinalizer(c, nil)
+	return nil
+}
+
+// Prepare the query string. Return a new statement.
+func (c *SQLiteConn) Prepare(query string) (driver.Stmt, error) {
+	return c.prepare(context.Background(), query)
+}
+
+func (c *SQLiteConn) prepare(ctx context.Context, query string) (driver.Stmt, error) {
+	pquery := C.CString(query)
+	defer C.free(unsafe.Pointer(pquery))
+	var s *C.sqlite3_stmt
+	var tail *C.char
+	rv := C.sqlite3_prepare_v2(c.db, pquery, -1, &s, &tail)
+	if rv != C.SQLITE_OK {
+		return nil, c.lastError()
+	}
+	var t string
+	if tail != nil && *tail != '\000' {
+		t = strings.TrimSpace(C.GoString(tail))
+	}
+	ss := &SQLiteStmt{c: c, s: s, t: t}
+	runtime.SetFinalizer(ss, (*SQLiteStmt).Close)
+	return ss, nil
+}
+
+// Close the statement.
+func (s *SQLiteStmt) Close() error {
+	if s.closed {
+		return nil
+	}
+	s.closed = true
+	if s.c == nil || s.c.db == nil {
+		return errors.New("sqlite statement with already closed database connection")
+	}
+	rv := C.sqlite3_finalize(s.s)
+	if rv != C.SQLITE_OK {
+		return s.c.lastError()
+	}
+	runtime.SetFinalizer(s, nil)
+	return nil
+}
+
+// NumInput return a number of parameters.
+func (s *SQLiteStmt) NumInput() int {
+	return int(C.sqlite3_bind_parameter_count(s.s))
+}
+
+type bindArg struct {
+	n int
+	v driver.Value
+}
+
+func (s *SQLiteStmt) bind(args []namedValue) error {
+	rv := C.sqlite3_reset(s.s)
+	if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
+		return s.c.lastError()
+	}
+
+	for i, v := range args {
+		if v.Name != "" {
+			cname := C.CString(":" + v.Name)
+			args[i].Ordinal = int(C.sqlite3_bind_parameter_index(s.s, cname))
+			C.free(unsafe.Pointer(cname))
+		}
+	}
+
+	for _, arg := range args {
+		n := C.int(arg.Ordinal)
+		switch v := arg.Value.(type) {
+		case nil:
+			rv = C.sqlite3_bind_null(s.s, n)
+		case string:
+			if len(v) == 0 {
+				b := []byte{0}
+				rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(0))
+			} else {
+				b := []byte(v)
+				rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
+			}
+		case int64:
+			rv = C.sqlite3_bind_int64(s.s, n, C.sqlite3_int64(v))
+		case bool:
+			if bool(v) {
+				rv = C.sqlite3_bind_int(s.s, n, 1)
+			} else {
+				rv = C.sqlite3_bind_int(s.s, n, 0)
+			}
+		case float64:
+			rv = C.sqlite3_bind_double(s.s, n, C.double(v))
+		case []byte:
+			if len(v) == 0 {
+				rv = C._sqlite3_bind_blob(s.s, n, nil, 0)
+			} else {
+				rv = C._sqlite3_bind_blob(s.s, n, unsafe.Pointer(&v[0]), C.int(len(v)))
+			}
+		case time.Time:
+			b := []byte(v.Format(SQLiteTimestampFormats[0]))
+			rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
+		}
+		if rv != C.SQLITE_OK {
+			return s.c.lastError()
+		}
+	}
+	return nil
+}
+
+// Query the statement with arguments. Return records.
+func (s *SQLiteStmt) Query(args []driver.Value) (driver.Rows, error) {
+	list := make([]namedValue, len(args))
+	for i, v := range args {
+		list[i] = namedValue{
+			Ordinal: i + 1,
+			Value:   v,
+		}
+	}
+	return s.query(context.Background(), list)
+}
+
+func (s *SQLiteStmt) query(ctx context.Context, args []namedValue) (driver.Rows, error) {
+	if err := s.bind(args); err != nil {
+		return nil, err
+	}
+
+	rows := &SQLiteRows{
+		s:        s,
+		nc:       int(C.sqlite3_column_count(s.s)),
+		cols:     nil,
+		decltype: nil,
+		cls:      s.cls,
+		done:     make(chan struct{}),
+	}
+
+	go func(db *C.sqlite3) {
+		select {
+		case <-ctx.Done():
+			select {
+			case <-rows.done:
+			default:
+				C.sqlite3_interrupt(db)
+				rows.Close()
+			}
+		case <-rows.done:
+		}
+	}(s.c.db)
+
+	return rows, nil
+}
+
+// LastInsertId teturn last inserted ID.
+func (r *SQLiteResult) LastInsertId() (int64, error) {
+	return r.id, nil
+}
+
+// RowsAffected return how many rows affected.
+func (r *SQLiteResult) RowsAffected() (int64, error) {
+	return r.changes, nil
+}
+
+// Exec execute the statement with arguments. Return result object.
+func (s *SQLiteStmt) Exec(args []driver.Value) (driver.Result, error) {
+	list := make([]namedValue, len(args))
+	for i, v := range args {
+		list[i] = namedValue{
+			Ordinal: i + 1,
+			Value:   v,
+		}
+	}
+	return s.exec(context.Background(), list)
+}
+
+func (s *SQLiteStmt) exec(ctx context.Context, args []namedValue) (driver.Result, error) {
+	if err := s.bind(args); err != nil {
+		C.sqlite3_reset(s.s)
+		C.sqlite3_clear_bindings(s.s)
+		return nil, err
+	}
+
+	done := make(chan struct{})
+	defer close(done)
+	go func(db *C.sqlite3) {
+		select {
+		case <-ctx.Done():
+			C.sqlite3_interrupt(db)
+		case <-done:
+		}
+	}(s.c.db)
+
+	var rowid, changes C.longlong
+	rv := C._sqlite3_step(s.s, &rowid, &changes)
+	if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
+		err := s.c.lastError()
+		C.sqlite3_reset(s.s)
+		C.sqlite3_clear_bindings(s.s)
+		return nil, err
+	}
+
+	return &SQLiteResult{id: int64(rowid), changes: int64(changes)}, nil
+}
+
+// Close the rows.
+func (rc *SQLiteRows) Close() error {
+	if rc.s.closed {
+		return nil
+	}
+	if rc.done != nil {
+		close(rc.done)
+	}
+	if rc.cls {
+		return rc.s.Close()
+	}
+	rv := C.sqlite3_reset(rc.s.s)
+	if rv != C.SQLITE_OK {
+		return rc.s.c.lastError()
+	}
+	return nil
+}
+
+// Columns return column names.
+func (rc *SQLiteRows) Columns() []string {
+	if rc.nc != len(rc.cols) {
+		rc.cols = make([]string, rc.nc)
+		for i := 0; i < rc.nc; i++ {
+			rc.cols[i] = C.GoString(C.sqlite3_column_name(rc.s.s, C.int(i)))
+		}
+	}
+	return rc.cols
+}
+
+// DeclTypes return column types.
+func (rc *SQLiteRows) DeclTypes() []string {
+	if rc.decltype == nil {
+		rc.decltype = make([]string, rc.nc)
+		for i := 0; i < rc.nc; i++ {
+			rc.decltype[i] = strings.ToLower(C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i))))
+		}
+	}
+	return rc.decltype
+}
+
+// Next move cursor to next.
+func (rc *SQLiteRows) Next(dest []driver.Value) error {
+	rv := C.sqlite3_step(rc.s.s)
+	if rv == C.SQLITE_DONE {
+		return io.EOF
+	}
+	if rv != C.SQLITE_ROW {
+		rv = C.sqlite3_reset(rc.s.s)
+		if rv != C.SQLITE_OK {
+			return rc.s.c.lastError()
+		}
+		return nil
+	}
+
+	rc.DeclTypes()
+
+	for i := range dest {
+		switch C.sqlite3_column_type(rc.s.s, C.int(i)) {
+		case C.SQLITE_INTEGER:
+			val := int64(C.sqlite3_column_int64(rc.s.s, C.int(i)))
+			switch rc.decltype[i] {
+			case "timestamp", "datetime", "date":
+				var t time.Time
+				// Assume a millisecond unix timestamp if it's 13 digits -- too
+				// large to be a reasonable timestamp in seconds.
+				if val > 1e12 || val < -1e12 {
+					val *= int64(time.Millisecond) // convert ms to nsec
+				} else {
+					val *= int64(time.Second) // convert sec to nsec
+				}
+				t = time.Unix(0, val).UTC()
+				if rc.s.c.loc != nil {
+					t = t.In(rc.s.c.loc)
+				}
+				dest[i] = t
+			case "boolean":
+				dest[i] = val > 0
+			default:
+				dest[i] = val
+			}
+		case C.SQLITE_FLOAT:
+			dest[i] = float64(C.sqlite3_column_double(rc.s.s, C.int(i)))
+		case C.SQLITE_BLOB:
+			p := C.sqlite3_column_blob(rc.s.s, C.int(i))
+			if p == nil {
+				dest[i] = nil
+				continue
+			}
+			n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
+			switch dest[i].(type) {
+			case sql.RawBytes:
+				dest[i] = (*[1 << 30]byte)(unsafe.Pointer(p))[0:n]
+			default:
+				slice := make([]byte, n)
+				copy(slice[:], (*[1 << 30]byte)(unsafe.Pointer(p))[0:n])
+				dest[i] = slice
+			}
+		case C.SQLITE_NULL:
+			dest[i] = nil
+		case C.SQLITE_TEXT:
+			var err error
+			var timeVal time.Time
+
+			n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
+			s := C.GoStringN((*C.char)(unsafe.Pointer(C.sqlite3_column_text(rc.s.s, C.int(i)))), C.int(n))
+
+			switch rc.decltype[i] {
+			case "timestamp", "datetime", "date":
+				var t time.Time
+				s = strings.TrimSuffix(s, "Z")
+				for _, format := range SQLiteTimestampFormats {
+					if timeVal, err = time.ParseInLocation(format, s, time.UTC); err == nil {
+						t = timeVal
+						break
+					}
+				}
+				if err != nil {
+					// The column is a time value, so return the zero time on parse failure.
+					t = time.Time{}
+				}
+				if rc.s.c.loc != nil {
+					t = t.In(rc.s.c.loc)
+				}
+				dest[i] = t
+			default:
+				dest[i] = []byte(s)
+			}
+
+		}
+	}
+	return nil
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_context.go

@@ -0,0 +1,103 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+package sqlite3
+
+/*
+
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+#include <stdlib.h>
+// These wrappers are necessary because SQLITE_TRANSIENT
+// is a pointer constant, and cgo doesn't translate them correctly.
+
+static inline void my_result_text(sqlite3_context *ctx, char *p, int np) {
+	sqlite3_result_text(ctx, p, np, SQLITE_TRANSIENT);
+}
+
+static inline void my_result_blob(sqlite3_context *ctx, void *p, int np) {
+	sqlite3_result_blob(ctx, p, np, SQLITE_TRANSIENT);
+}
+*/
+import "C"
+
+import (
+	"math"
+	"reflect"
+	"unsafe"
+)
+
+const i64 = unsafe.Sizeof(int(0)) > 4
+
+// SQLiteContext behave sqlite3_context
+type SQLiteContext C.sqlite3_context
+
+// ResultBool sets the result of an SQL function.
+func (c *SQLiteContext) ResultBool(b bool) {
+	if b {
+		c.ResultInt(1)
+	} else {
+		c.ResultInt(0)
+	}
+}
+
+// ResultBlob sets the result of an SQL function.
+// See: sqlite3_result_blob, http://sqlite.org/c3ref/result_blob.html
+func (c *SQLiteContext) ResultBlob(b []byte) {
+	if i64 && len(b) > math.MaxInt32 {
+		C.sqlite3_result_error_toobig((*C.sqlite3_context)(c))
+		return
+	}
+	var p *byte
+	if len(b) > 0 {
+		p = &b[0]
+	}
+	C.my_result_blob((*C.sqlite3_context)(c), unsafe.Pointer(p), C.int(len(b)))
+}
+
+// ResultDouble sets the result of an SQL function.
+// See: sqlite3_result_double, http://sqlite.org/c3ref/result_blob.html
+func (c *SQLiteContext) ResultDouble(d float64) {
+	C.sqlite3_result_double((*C.sqlite3_context)(c), C.double(d))
+}
+
+// ResultInt sets the result of an SQL function.
+// See: sqlite3_result_int, http://sqlite.org/c3ref/result_blob.html
+func (c *SQLiteContext) ResultInt(i int) {
+	if i64 && (i > math.MaxInt32 || i < math.MinInt32) {
+		C.sqlite3_result_int64((*C.sqlite3_context)(c), C.sqlite3_int64(i))
+	} else {
+		C.sqlite3_result_int((*C.sqlite3_context)(c), C.int(i))
+	}
+}
+
+// ResultInt64 sets the result of an SQL function.
+// See: sqlite3_result_int64, http://sqlite.org/c3ref/result_blob.html
+func (c *SQLiteContext) ResultInt64(i int64) {
+	C.sqlite3_result_int64((*C.sqlite3_context)(c), C.sqlite3_int64(i))
+}
+
+// ResultNull sets the result of an SQL function.
+// See: sqlite3_result_null, http://sqlite.org/c3ref/result_blob.html
+func (c *SQLiteContext) ResultNull() {
+	C.sqlite3_result_null((*C.sqlite3_context)(c))
+}
+
+// ResultText sets the result of an SQL function.
+// See: sqlite3_result_text, http://sqlite.org/c3ref/result_blob.html
+func (c *SQLiteContext) ResultText(s string) {
+	h := (*reflect.StringHeader)(unsafe.Pointer(&s))
+	cs, l := (*C.char)(unsafe.Pointer(h.Data)), C.int(h.Len)
+	C.my_result_text((*C.sqlite3_context)(c), cs, l)
+}
+
+// ResultZeroblob sets the result of an SQL function.
+// See: sqlite3_result_zeroblob, http://sqlite.org/c3ref/result_blob.html
+func (c *SQLiteContext) ResultZeroblob(n int) {
+	C.sqlite3_result_zeroblob((*C.sqlite3_context)(c), C.int(n))
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_fts5.go

@@ -0,0 +1,13 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build fts5
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -DSQLITE_ENABLE_FTS5
+#cgo LDFLAGS: -lm
+*/
+import "C"

vendor/github.com/mattn/go-sqlite3/sqlite3_go18.go

@@ -0,0 +1,69 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+// +build go1.8
+
+package sqlite3
+
+import (
+	"database/sql/driver"
+	"errors"
+
+	"context"
+)
+
+// Ping implement Pinger.
+func (c *SQLiteConn) Ping(ctx context.Context) error {
+	if c.db == nil {
+		return errors.New("Connection was closed")
+	}
+	return nil
+}
+
+// QueryContext implement QueryerContext.
+func (c *SQLiteConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
+	list := make([]namedValue, len(args))
+	for i, nv := range args {
+		list[i] = namedValue(nv)
+	}
+	return c.query(ctx, query, list)
+}
+
+// ExecContext implement ExecerContext.
+func (c *SQLiteConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
+	list := make([]namedValue, len(args))
+	for i, nv := range args {
+		list[i] = namedValue(nv)
+	}
+	return c.exec(ctx, query, list)
+}
+
+// PrepareContext implement ConnPrepareContext.
+func (c *SQLiteConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
+	return c.prepare(ctx, query)
+}
+
+// BeginTx implement ConnBeginTx.
+func (c *SQLiteConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
+	return c.begin(ctx)
+}
+
+// QueryContext implement QueryerContext.
+func (s *SQLiteStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
+	list := make([]namedValue, len(args))
+	for i, nv := range args {
+		list[i] = namedValue(nv)
+	}
+	return s.query(ctx, list)
+}
+
+// ExecContext implement ExecerContext.
+func (s *SQLiteStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
+	list := make([]namedValue, len(args))
+	for i, nv := range args {
+		list[i] = namedValue(nv)
+	}
+	return s.exec(ctx, list)
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_icu.go

@@ -0,0 +1,13 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build icu
+
+package sqlite3
+
+/*
+#cgo LDFLAGS: -licuuc -licui18n
+#cgo CFLAGS: -DSQLITE_ENABLE_ICU
+*/
+import "C"

vendor/github.com/mattn/go-sqlite3/sqlite3_json1.go

@@ -0,0 +1,12 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build json1
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -DSQLITE_ENABLE_JSON1
+*/
+import "C"

vendor/github.com/mattn/go-sqlite3/sqlite3_libsqlite3.go

@@ -0,0 +1,14 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build libsqlite3
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -DUSE_LIBSQLITE3
+#cgo linux LDFLAGS: -lsqlite3
+#cgo darwin LDFLAGS: -L/usr/local/opt/sqlite/lib -lsqlite3
+*/
+import "C"

vendor/github.com/mattn/go-sqlite3/sqlite3_load_extension.go

@@ -0,0 +1,69 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build !sqlite_omit_load_extension
+
+package sqlite3
+
+/*
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+#include <stdlib.h>
+*/
+import "C"
+import (
+	"errors"
+	"unsafe"
+)
+
+func (c *SQLiteConn) loadExtensions(extensions []string) error {
+	rv := C.sqlite3_enable_load_extension(c.db, 1)
+	if rv != C.SQLITE_OK {
+		return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
+	}
+
+	for _, extension := range extensions {
+		cext := C.CString(extension)
+		defer C.free(unsafe.Pointer(cext))
+		rv = C.sqlite3_load_extension(c.db, cext, nil, nil)
+		if rv != C.SQLITE_OK {
+			C.sqlite3_enable_load_extension(c.db, 0)
+			return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
+		}
+	}
+
+	rv = C.sqlite3_enable_load_extension(c.db, 0)
+	if rv != C.SQLITE_OK {
+		return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
+	}
+	return nil
+}
+
+// LoadExtension load the sqlite3 extension.
+func (c *SQLiteConn) LoadExtension(lib string, entry string) error {
+	rv := C.sqlite3_enable_load_extension(c.db, 1)
+	if rv != C.SQLITE_OK {
+		return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
+	}
+
+	clib := C.CString(lib)
+	defer C.free(unsafe.Pointer(clib))
+	centry := C.CString(entry)
+	defer C.free(unsafe.Pointer(centry))
+
+	rv = C.sqlite3_load_extension(c.db, clib, centry, nil)
+	if rv != C.SQLITE_OK {
+		return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
+	}
+
+	rv = C.sqlite3_enable_load_extension(c.db, 0)
+	if rv != C.SQLITE_OK {
+		return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
+	}
+
+	return nil
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_omit_load_extension.go

@@ -0,0 +1,23 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build sqlite_omit_load_extension
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -DSQLITE_OMIT_LOAD_EXTENSION
+*/
+import "C"
+import (
+	"errors"
+)
+
+func (c *SQLiteConn) loadExtensions(extensions []string) error {
+	return errors.New("Extensions have been disabled for static builds")
+}
+
+func (c *SQLiteConn) LoadExtension(lib string, entry string) error {
+	return errors.New("Extensions have been disabled for static builds")
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_other.go

@@ -0,0 +1,13 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build !windows
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -I.
+#cgo linux LDFLAGS: -ldl
+*/
+import "C"

vendor/github.com/mattn/go-sqlite3/sqlite3_trace.go

@@ -0,0 +1,414 @@
+// Copyright (C) 2016 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build trace
+
+package sqlite3
+
+/*
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+#include <stdlib.h>
+
+void stepTrampoline(sqlite3_context*, int, sqlite3_value**);
+void doneTrampoline(sqlite3_context*);
+int traceCallbackTrampoline(unsigned int traceEventCode, void *ctx, void *p, void *x);
+*/
+import "C"
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strings"
+	"sync"
+	"unsafe"
+)
+
+// Trace... constants identify the possible events causing callback invocation.
+// Values are same as the corresponding SQLite Trace Event Codes.
+const (
+	TraceStmt    = C.SQLITE_TRACE_STMT
+	TraceProfile = C.SQLITE_TRACE_PROFILE
+	TraceRow     = C.SQLITE_TRACE_ROW
+	TraceClose   = C.SQLITE_TRACE_CLOSE
+)
+
+type TraceInfo struct {
+	// Pack together the shorter fields, to keep the struct smaller.
+	// On a 64-bit machine there would be padding
+	// between EventCode and ConnHandle; having AutoCommit here is "free":
+	EventCode  uint32
+	AutoCommit bool
+	ConnHandle uintptr
+
+	// Usually filled, unless EventCode = TraceClose = SQLITE_TRACE_CLOSE:
+	// identifier for a prepared statement:
+	StmtHandle uintptr
+
+	// Two strings filled when EventCode = TraceStmt = SQLITE_TRACE_STMT:
+	// (1) either the unexpanded SQL text of the prepared statement, or
+	//     an SQL comment that indicates the invocation of a trigger;
+	// (2) expanded SQL, if requested and if (1) is not an SQL comment.
+	StmtOrTrigger string
+	ExpandedSQL   string // only if requested (TraceConfig.WantExpandedSQL = true)
+
+	// filled when EventCode = TraceProfile = SQLITE_TRACE_PROFILE:
+	// estimated number of nanoseconds that the prepared statement took to run:
+	RunTimeNanosec int64
+
+	DBError Error
+}
+
+// TraceUserCallback gives the signature for a trace function
+// provided by the user (Go application programmer).
+// SQLite 3.14 documentation (as of September 2, 2016)
+// for SQL Trace Hook = sqlite3_trace_v2():
+// The integer return value from the callback is currently ignored,
+// though this may change in future releases. Callback implementations
+// should return zero to ensure future compatibility.
+type TraceUserCallback func(TraceInfo) int
+
+type TraceConfig struct {
+	Callback        TraceUserCallback
+	EventMask       C.uint
+	WantExpandedSQL bool
+}
+
+func fillDBError(dbErr *Error, db *C.sqlite3) {
+	// See SQLiteConn.lastError(), in file 'sqlite3.go' at the time of writing (Sept 5, 2016)
+	dbErr.Code = ErrNo(C.sqlite3_errcode(db))
+	dbErr.ExtendedCode = ErrNoExtended(C.sqlite3_extended_errcode(db))
+	dbErr.err = C.GoString(C.sqlite3_errmsg(db))
+}
+
+func fillExpandedSQL(info *TraceInfo, db *C.sqlite3, pStmt unsafe.Pointer) {
+	if pStmt == nil {
+		panic("No SQLite statement pointer in P arg of trace_v2 callback")
+	}
+
+	expSQLiteCStr := C.sqlite3_expanded_sql((*C.sqlite3_stmt)(pStmt))
+	if expSQLiteCStr == nil {
+		fillDBError(&info.DBError, db)
+		return
+	}
+	info.ExpandedSQL = C.GoString(expSQLiteCStr)
+}
+
+//export traceCallbackTrampoline
+func traceCallbackTrampoline(
+	traceEventCode C.uint,
+	// Parameter named 'C' in SQLite docs = Context given at registration:
+	ctx unsafe.Pointer,
+	// Parameter named 'P' in SQLite docs (Primary event data?):
+	p unsafe.Pointer,
+	// Parameter named 'X' in SQLite docs (eXtra event data?):
+	xValue unsafe.Pointer) C.int {
+
+	if ctx == nil {
+		panic(fmt.Sprintf("No context (ev 0x%x)", traceEventCode))
+	}
+
+	contextDB := (*C.sqlite3)(ctx)
+	connHandle := uintptr(ctx)
+
+	var traceConf TraceConfig
+	var found bool
+	if traceEventCode == TraceClose {
+		// clean up traceMap: 'pop' means get and delete
+		traceConf, found = popTraceMapping(connHandle)
+	} else {
+		traceConf, found = lookupTraceMapping(connHandle)
+	}
+
+	if !found {
+		panic(fmt.Sprintf("Mapping not found for handle 0x%x (ev 0x%x)",
+			connHandle, traceEventCode))
+	}
+
+	var info TraceInfo
+
+	info.EventCode = uint32(traceEventCode)
+	info.AutoCommit = (int(C.sqlite3_get_autocommit(contextDB)) != 0)
+	info.ConnHandle = connHandle
+
+	switch traceEventCode {
+	case TraceStmt:
+		info.StmtHandle = uintptr(p)
+
+		var xStr string
+		if xValue != nil {
+			xStr = C.GoString((*C.char)(xValue))
+		}
+		info.StmtOrTrigger = xStr
+		if !strings.HasPrefix(xStr, "--") {
+			// Not SQL comment, therefore the current event
+			// is not related to a trigger.
+			// The user might want to receive the expanded SQL;
+			// let's check:
+			if traceConf.WantExpandedSQL {
+				fillExpandedSQL(&info, contextDB, p)
+			}
+		}
+
+	case TraceProfile:
+		info.StmtHandle = uintptr(p)
+
+		if xValue == nil {
+			panic("NULL pointer in X arg of trace_v2 callback for SQLITE_TRACE_PROFILE event")
+		}
+
+		info.RunTimeNanosec = *(*int64)(xValue)
+
+		// sample the error //TODO: is it safe? is it useful?
+		fillDBError(&info.DBError, contextDB)
+
+	case TraceRow:
+		info.StmtHandle = uintptr(p)
+
+	case TraceClose:
+		handle := uintptr(p)
+		if handle != info.ConnHandle {
+			panic(fmt.Sprintf("Different conn handle 0x%x (expected 0x%x) in SQLITE_TRACE_CLOSE event.",
+				handle, info.ConnHandle))
+		}
+
+	default:
+		// Pass unsupported events to the user callback (if configured);
+		// let the user callback decide whether to panic or ignore them.
+	}
+
+	// Do not execute user callback when the event was not requested by user!
+	// Remember that the Close event is always selected when
+	// registering this callback trampoline with SQLite --- for cleanup.
+	// In the future there may be more events forced to "selected" in SQLite
+	// for the driver's needs.
+	if traceConf.EventMask&traceEventCode == 0 {
+		return 0
+	}
+
+	r := 0
+	if traceConf.Callback != nil {
+		r = traceConf.Callback(info)
+	}
+	return C.int(r)
+}
+
+type traceMapEntry struct {
+	config TraceConfig
+}
+
+var traceMapLock sync.Mutex
+var traceMap = make(map[uintptr]traceMapEntry)
+
+func addTraceMapping(connHandle uintptr, traceConf TraceConfig) {
+	traceMapLock.Lock()
+	defer traceMapLock.Unlock()
+
+	oldEntryCopy, found := traceMap[connHandle]
+	if found {
+		panic(fmt.Sprintf("Adding trace config %v: handle 0x%x already registered (%v).",
+			traceConf, connHandle, oldEntryCopy.config))
+	}
+	traceMap[connHandle] = traceMapEntry{config: traceConf}
+	fmt.Printf("Added trace config %v: handle 0x%x.\n", traceConf, connHandle)
+}
+
+func lookupTraceMapping(connHandle uintptr) (TraceConfig, bool) {
+	traceMapLock.Lock()
+	defer traceMapLock.Unlock()
+
+	entryCopy, found := traceMap[connHandle]
+	return entryCopy.config, found
+}
+
+// 'pop' = get and delete from map before returning the value to the caller
+func popTraceMapping(connHandle uintptr) (TraceConfig, bool) {
+	traceMapLock.Lock()
+	defer traceMapLock.Unlock()
+
+	entryCopy, found := traceMap[connHandle]
+	if found {
+		delete(traceMap, connHandle)
+		fmt.Printf("Pop handle 0x%x: deleted trace config %v.\n", connHandle, entryCopy.config)
+	}
+	return entryCopy.config, found
+}
+
+// RegisterAggregator makes a Go type available as a SQLite aggregation function.
+//
+// Because aggregation is incremental, it's implemented in Go with a
+// type that has 2 methods: func Step(values) accumulates one row of
+// data into the accumulator, and func Done() ret finalizes and
+// returns the aggregate value. "values" and "ret" may be any type
+// supported by RegisterFunc.
+//
+// RegisterAggregator takes as implementation a constructor function
+// that constructs an instance of the aggregator type each time an
+// aggregation begins. The constructor must return a pointer to a
+// type, or an interface that implements Step() and Done().
+//
+// The constructor function and the Step/Done methods may optionally
+// return an error in addition to their other return values.
+//
+// See _example/go_custom_funcs for a detailed example.
+func (c *SQLiteConn) RegisterAggregator(name string, impl interface{}, pure bool) error {
+	var ai aggInfo
+	ai.constructor = reflect.ValueOf(impl)
+	t := ai.constructor.Type()
+	if t.Kind() != reflect.Func {
+		return errors.New("non-function passed to RegisterAggregator")
+	}
+	if t.NumOut() != 1 && t.NumOut() != 2 {
+		return errors.New("SQLite aggregator constructors must return 1 or 2 values")
+	}
+	if t.NumOut() == 2 && !t.Out(1).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
+		return errors.New("Second return value of SQLite function must be error")
+	}
+	if t.NumIn() != 0 {
+		return errors.New("SQLite aggregator constructors must not have arguments")
+	}
+
+	agg := t.Out(0)
+	switch agg.Kind() {
+	case reflect.Ptr, reflect.Interface:
+	default:
+		return errors.New("SQlite aggregator constructor must return a pointer object")
+	}
+	stepFn, found := agg.MethodByName("Step")
+	if !found {
+		return errors.New("SQlite aggregator doesn't have a Step() function")
+	}
+	step := stepFn.Type
+	if step.NumOut() != 0 && step.NumOut() != 1 {
+		return errors.New("SQlite aggregator Step() function must return 0 or 1 values")
+	}
+	if step.NumOut() == 1 && !step.Out(0).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
+		return errors.New("type of SQlite aggregator Step() return value must be error")
+	}
+
+	stepNArgs := step.NumIn()
+	start := 0
+	if agg.Kind() == reflect.Ptr {
+		// Skip over the method receiver
+		stepNArgs--
+		start++
+	}
+	if step.IsVariadic() {
+		stepNArgs--
+	}
+	for i := start; i < start+stepNArgs; i++ {
+		conv, err := callbackArg(step.In(i))
+		if err != nil {
+			return err
+		}
+		ai.stepArgConverters = append(ai.stepArgConverters, conv)
+	}
+	if step.IsVariadic() {
+		conv, err := callbackArg(t.In(start + stepNArgs).Elem())
+		if err != nil {
+			return err
+		}
+		ai.stepVariadicConverter = conv
+		// Pass -1 to sqlite so that it allows any number of
+		// arguments. The call helper verifies that the minimum number
+		// of arguments is present for variadic functions.
+		stepNArgs = -1
+	}
+
+	doneFn, found := agg.MethodByName("Done")
+	if !found {
+		return errors.New("SQlite aggregator doesn't have a Done() function")
+	}
+	done := doneFn.Type
+	doneNArgs := done.NumIn()
+	if agg.Kind() == reflect.Ptr {
+		// Skip over the method receiver
+		doneNArgs--
+	}
+	if doneNArgs != 0 {
+		return errors.New("SQlite aggregator Done() function must have no arguments")
+	}
+	if done.NumOut() != 1 && done.NumOut() != 2 {
+		return errors.New("SQLite aggregator Done() function must return 1 or 2 values")
+	}
+	if done.NumOut() == 2 && !done.Out(1).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
+		return errors.New("second return value of SQLite aggregator Done() function must be error")
+	}
+
+	conv, err := callbackRet(done.Out(0))
+	if err != nil {
+		return err
+	}
+	ai.doneRetConverter = conv
+	ai.active = make(map[int64]reflect.Value)
+	ai.next = 1
+
+	// ai must outlast the database connection, or we'll have dangling pointers.
+	c.aggregators = append(c.aggregators, &ai)
+
+	cname := C.CString(name)
+	defer C.free(unsafe.Pointer(cname))
+	opts := C.SQLITE_UTF8
+	if pure {
+		opts |= C.SQLITE_DETERMINISTIC
+	}
+	rv := sqlite3CreateFunction(c.db, cname, C.int(stepNArgs), C.int(opts), newHandle(c, &ai), nil, C.stepTrampoline, C.doneTrampoline)
+	if rv != C.SQLITE_OK {
+		return c.lastError()
+	}
+	return nil
+}
+
+// SetTrace installs or removes the trace callback for the given database connection.
+// It's not named 'RegisterTrace' because only one callback can be kept and called.
+// Calling SetTrace a second time on same database connection
+// overrides (cancels) any prior callback and all its settings:
+// event mask, etc.
+func (c *SQLiteConn) SetTrace(requested *TraceConfig) error {
+	connHandle := uintptr(unsafe.Pointer(c.db))
+
+	_, _ = popTraceMapping(connHandle)
+
+	if requested == nil {
+		// The traceMap entry was deleted already by popTraceMapping():
+		// can disable all events now, no need to watch for TraceClose.
+		err := c.setSQLiteTrace(0)
+		return err
+	}
+
+	reqCopy := *requested
+
+	// Disable potentially expensive operations
+	// if their result will not be used. We are doing this
+	// just in case the caller provided nonsensical input.
+	if reqCopy.EventMask&TraceStmt == 0 {
+		reqCopy.WantExpandedSQL = false
+	}
+
+	addTraceMapping(connHandle, reqCopy)
+
+	// The callback trampoline function does cleanup on Close event,
+	// regardless of the presence or absence of the user callback.
+	// Therefore it needs the Close event to be selected:
+	actualEventMask := uint(reqCopy.EventMask | TraceClose)
+	err := c.setSQLiteTrace(actualEventMask)
+	return err
+}
+
+func (c *SQLiteConn) setSQLiteTrace(sqliteEventMask uint) error {
+	rv := C.sqlite3_trace_v2(c.db,
+		C.uint(sqliteEventMask),
+		(*[0]byte)(unsafe.Pointer(C.traceCallbackTrampoline)),
+		unsafe.Pointer(c.db)) // Fourth arg is same as first: we are
+	// passing the database connection handle as callback context.
+
+	if rv != C.SQLITE_OK {
+		return c.lastError()
+	}
+	return nil
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_type.go

@@ -0,0 +1,57 @@
+package sqlite3
+
+/*
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+*/
+import "C"
+import (
+	"reflect"
+	"time"
+)
+
+// ColumnTypeDatabaseTypeName implement RowsColumnTypeDatabaseTypeName.
+func (rc *SQLiteRows) ColumnTypeDatabaseTypeName(i int) string {
+	return C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i)))
+}
+
+/*
+func (rc *SQLiteRows) ColumnTypeLength(index int) (length int64, ok bool) {
+	return 0, false
+}
+
+func (rc *SQLiteRows) ColumnTypePrecisionScale(index int) (precision, scale int64, ok bool) {
+	return 0, 0, false
+}
+*/
+
+// ColumnTypeNullable implement RowsColumnTypeNullable.
+func (rc *SQLiteRows) ColumnTypeNullable(i int) (nullable, ok bool) {
+	return true, true
+}
+
+// ColumnTypeScanType implement RowsColumnTypeScanType.
+func (rc *SQLiteRows) ColumnTypeScanType(i int) reflect.Type {
+	switch C.sqlite3_column_type(rc.s.s, C.int(i)) {
+	case C.SQLITE_INTEGER:
+		switch C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i))) {
+		case "timestamp", "datetime", "date":
+			return reflect.TypeOf(time.Time{})
+		case "boolean":
+			return reflect.TypeOf(false)
+		}
+		return reflect.TypeOf(int64(0))
+	case C.SQLITE_FLOAT:
+		return reflect.TypeOf(float64(0))
+	case C.SQLITE_BLOB:
+		return reflect.SliceOf(reflect.TypeOf(byte(0)))
+	case C.SQLITE_NULL:
+		return reflect.TypeOf(nil)
+	case C.SQLITE_TEXT:
+		return reflect.TypeOf("")
+	}
+	return reflect.SliceOf(reflect.TypeOf(byte(0)))
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_vtable.go

@@ -0,0 +1,569 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build vtable
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -std=gnu99
+#cgo CFLAGS: -DSQLITE_ENABLE_RTREE -DSQLITE_THREADSAFE
+#cgo CFLAGS: -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS4_UNICODE61
+#cgo CFLAGS: -DSQLITE_TRACE_SIZE_LIMIT=15
+#cgo CFLAGS: -DSQLITE_ENABLE_COLUMN_METADATA=1
+#cgo CFLAGS: -Wno-deprecated-declarations
+
+#ifndef USE_LIBSQLITE3
+#include <sqlite3-binding.h>
+#else
+#include <sqlite3.h>
+#endif
+#include <stdlib.h>
+#include <stdint.h>
+#include <memory.h>
+
+static inline char *_sqlite3_mprintf(char *zFormat, char *arg) {
+  return sqlite3_mprintf(zFormat, arg);
+}
+
+typedef struct goVTab goVTab;
+
+struct goVTab {
+	sqlite3_vtab base;
+	void *vTab;
+};
+
+uintptr_t goMInit(void *db, void *pAux, int argc, char **argv, char **pzErr, int isCreate);
+
+static int cXInit(sqlite3 *db, void *pAux, int argc, const char *const*argv, sqlite3_vtab **ppVTab, char **pzErr, int isCreate) {
+	void *vTab = (void *)goMInit(db, pAux, argc, (char**)argv, pzErr, isCreate);
+	if (!vTab || *pzErr) {
+		return SQLITE_ERROR;
+	}
+	goVTab *pvTab = (goVTab *)sqlite3_malloc(sizeof(goVTab));
+	if (!pvTab) {
+		*pzErr = sqlite3_mprintf("%s", "Out of memory");
+		return SQLITE_NOMEM;
+	}
+	memset(pvTab, 0, sizeof(goVTab));
+	pvTab->vTab = vTab;
+
+	*ppVTab = (sqlite3_vtab *)pvTab;
+	*pzErr = 0;
+	return SQLITE_OK;
+}
+
+static inline int cXCreate(sqlite3 *db, void *pAux, int argc, const char *const*argv, sqlite3_vtab **ppVTab, char **pzErr) {
+	return cXInit(db, pAux, argc, argv, ppVTab, pzErr, 1);
+}
+static inline int cXConnect(sqlite3 *db, void *pAux, int argc, const char *const*argv, sqlite3_vtab **ppVTab, char **pzErr) {
+	return cXInit(db, pAux, argc, argv, ppVTab, pzErr, 0);
+}
+
+char* goVBestIndex(void *pVTab, void *icp);
+
+static inline int cXBestIndex(sqlite3_vtab *pVTab, sqlite3_index_info *info) {
+	char *pzErr = goVBestIndex(((goVTab*)pVTab)->vTab, info);
+	if (pzErr) {
+		if (pVTab->zErrMsg)
+			sqlite3_free(pVTab->zErrMsg);
+		pVTab->zErrMsg = pzErr;
+		return SQLITE_ERROR;
+	}
+	return SQLITE_OK;
+}
+
+char* goVRelease(void *pVTab, int isDestroy);
+
+static int cXRelease(sqlite3_vtab *pVTab, int isDestroy) {
+	char *pzErr = goVRelease(((goVTab*)pVTab)->vTab, isDestroy);
+	if (pzErr) {
+		if (pVTab->zErrMsg)
+			sqlite3_free(pVTab->zErrMsg);
+		pVTab->zErrMsg = pzErr;
+		return SQLITE_ERROR;
+	}
+	if (pVTab->zErrMsg)
+		sqlite3_free(pVTab->zErrMsg);
+	sqlite3_free(pVTab);
+	return SQLITE_OK;
+}
+
+static inline int cXDisconnect(sqlite3_vtab *pVTab) {
+	return cXRelease(pVTab, 0);
+}
+static inline int cXDestroy(sqlite3_vtab *pVTab) {
+	return cXRelease(pVTab, 1);
+}
+
+typedef struct goVTabCursor goVTabCursor;
+
+struct goVTabCursor {
+	sqlite3_vtab_cursor base;
+	void *vTabCursor;
+};
+
+uintptr_t goVOpen(void *pVTab, char **pzErr);
+
+static int cXOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor) {
+	void *vTabCursor = (void *)goVOpen(((goVTab*)pVTab)->vTab, &(pVTab->zErrMsg));
+	goVTabCursor *pCursor = (goVTabCursor *)sqlite3_malloc(sizeof(goVTabCursor));
+	if (!pCursor) {
+		return SQLITE_NOMEM;
+	}
+	memset(pCursor, 0, sizeof(goVTabCursor));
+	pCursor->vTabCursor = vTabCursor;
+	*ppCursor = (sqlite3_vtab_cursor *)pCursor;
+	return SQLITE_OK;
+}
+
+static int setErrMsg(sqlite3_vtab_cursor *pCursor, char *pzErr) {
+	if (pCursor->pVtab->zErrMsg)
+		sqlite3_free(pCursor->pVtab->zErrMsg);
+	pCursor->pVtab->zErrMsg = pzErr;
+	return SQLITE_ERROR;
+}
+
+char* goVClose(void *pCursor);
+
+static int cXClose(sqlite3_vtab_cursor *pCursor) {
+	char *pzErr = goVClose(((goVTabCursor*)pCursor)->vTabCursor);
+	if (pzErr) {
+		return setErrMsg(pCursor, pzErr);
+	}
+	sqlite3_free(pCursor);
+	return SQLITE_OK;
+}
+
+char* goVFilter(void *pCursor, int idxNum, char* idxName, int argc, sqlite3_value **argv);
+
+static int cXFilter(sqlite3_vtab_cursor *pCursor, int idxNum, const char *idxStr, int argc, sqlite3_value **argv) {
+	char *pzErr = goVFilter(((goVTabCursor*)pCursor)->vTabCursor, idxNum, (char*)idxStr, argc, argv);
+	if (pzErr) {
+		return setErrMsg(pCursor, pzErr);
+	}
+	return SQLITE_OK;
+}
+
+char* goVNext(void *pCursor);
+
+static int cXNext(sqlite3_vtab_cursor *pCursor) {
+	char *pzErr = goVNext(((goVTabCursor*)pCursor)->vTabCursor);
+	if (pzErr) {
+		return setErrMsg(pCursor, pzErr);
+	}
+	return SQLITE_OK;
+}
+
+int goVEof(void *pCursor);
+
+static inline int cXEof(sqlite3_vtab_cursor *pCursor) {
+	return goVEof(((goVTabCursor*)pCursor)->vTabCursor);
+}
+
+char* goVColumn(void *pCursor, void *cp, int col);
+
+static int cXColumn(sqlite3_vtab_cursor *pCursor, sqlite3_context *ctx, int i) {
+	char *pzErr = goVColumn(((goVTabCursor*)pCursor)->vTabCursor, ctx, i);
+	if (pzErr) {
+		return setErrMsg(pCursor, pzErr);
+	}
+	return SQLITE_OK;
+}
+
+char* goVRowid(void *pCursor, sqlite3_int64 *pRowid);
+
+static int cXRowid(sqlite3_vtab_cursor *pCursor, sqlite3_int64 *pRowid) {
+	char *pzErr = goVRowid(((goVTabCursor*)pCursor)->vTabCursor, pRowid);
+	if (pzErr) {
+		return setErrMsg(pCursor, pzErr);
+	}
+	return SQLITE_OK;
+}
+
+static sqlite3_module goModule = {
+	0,                       // iVersion
+	cXCreate,                // xCreate - create a table
+	cXConnect,               // xConnect - connect to an existing table
+	cXBestIndex,             // xBestIndex - Determine search strategy
+	cXDisconnect,            // xDisconnect - Disconnect from a table
+	cXDestroy,               // xDestroy - Drop a table
+	cXOpen,                  // xOpen - open a cursor
+	cXClose,                 // xClose - close a cursor
+	cXFilter,                // xFilter - configure scan constraints
+	cXNext,                  // xNext - advance a cursor
+	cXEof,                   // xEof
+	cXColumn,                // xColumn - read data
+	cXRowid,                 // xRowid - read data
+// Not implemented
+	0,                       // xUpdate - write data
+	0,                       // xBegin - begin transaction
+	0,                       // xSync - sync transaction
+	0,                       // xCommit - commit transaction
+	0,                       // xRollback - rollback transaction
+	0,                       // xFindFunction - function overloading
+	0,                       // xRename - rename the table
+	0,                       // xSavepoint
+	0,                       // xRelease
+	0	                     // xRollbackTo
+};
+
+void goMDestroy(void*);
+
+static int _sqlite3_create_module(sqlite3 *db, const char *zName, uintptr_t pClientData) {
+  return sqlite3_create_module_v2(db, zName, &goModule, (void*) pClientData, goMDestroy);
+}
+*/
+import "C"
+
+import (
+	"math"
+	"reflect"
+	"unsafe"
+)
+
+type sqliteModule struct {
+	c      *SQLiteConn
+	name   string
+	module Module
+}
+
+type sqliteVTab struct {
+	module *sqliteModule
+	vTab   VTab
+}
+
+type sqliteVTabCursor struct {
+	vTab       *sqliteVTab
+	vTabCursor VTabCursor
+}
+
+// Op is type of operations.
+type Op uint8
+
+// Op mean identity of operations.
+const (
+	OpEQ         Op = 2
+	OpGT            = 4
+	OpLE            = 8
+	OpLT            = 16
+	OpGE            = 32
+	OpMATCH         = 64
+	OpLIKE          = 65 /* 3.10.0 and later only */
+	OpGLOB          = 66 /* 3.10.0 and later only */
+	OpREGEXP        = 67 /* 3.10.0 and later only */
+	OpScanUnique    = 1  /* Scan visits at most 1 row */
+)
+
+// InfoConstraint give information of constraint.
+type InfoConstraint struct {
+	Column int
+	Op     Op
+	Usable bool
+}
+
+// InfoOrderBy give information of order-by.
+type InfoOrderBy struct {
+	Column int
+	Desc   bool
+}
+
+func constraints(info *C.sqlite3_index_info) []InfoConstraint {
+	l := info.nConstraint
+	slice := (*[1 << 30]C.struct_sqlite3_index_constraint)(unsafe.Pointer(info.aConstraint))[:l:l]
+
+	cst := make([]InfoConstraint, 0, l)
+	for _, c := range slice {
+		var usable bool
+		if c.usable > 0 {
+			usable = true
+		}
+		cst = append(cst, InfoConstraint{
+			Column: int(c.iColumn),
+			Op:     Op(c.op),
+			Usable: usable,
+		})
+	}
+	return cst
+}
+
+func orderBys(info *C.sqlite3_index_info) []InfoOrderBy {
+	l := info.nOrderBy
+	slice := (*[1 << 30]C.struct_sqlite3_index_orderby)(unsafe.Pointer(info.aOrderBy))[:l:l]
+
+	ob := make([]InfoOrderBy, 0, l)
+	for _, c := range slice {
+		var desc bool
+		if c.desc > 0 {
+			desc = true
+		}
+		ob = append(ob, InfoOrderBy{
+			Column: int(c.iColumn),
+			Desc:   desc,
+		})
+	}
+	return ob
+}
+
+// IndexResult is a Go struct represetnation of what eventually ends up in the
+// output fields for `sqlite3_index_info`
+// See: https://www.sqlite.org/c3ref/index_info.html
+type IndexResult struct {
+	Used           []bool // aConstraintUsage
+	IdxNum         int
+	IdxStr         string
+	AlreadyOrdered bool // orderByConsumed
+	EstimatedCost  float64
+	EstimatedRows  float64
+}
+
+// mPrintf is a utility wrapper around sqlite3_mprintf
+func mPrintf(format, arg string) *C.char {
+	cf := C.CString(format)
+	defer C.free(unsafe.Pointer(cf))
+	ca := C.CString(arg)
+	defer C.free(unsafe.Pointer(ca))
+	return C._sqlite3_mprintf(cf, ca)
+}
+
+//export goMInit
+func goMInit(db, pClientData unsafe.Pointer, argc C.int, argv **C.char, pzErr **C.char, isCreate C.int) C.uintptr_t {
+	m := lookupHandle(uintptr(pClientData)).(*sqliteModule)
+	if m.c.db != (*C.sqlite3)(db) {
+		*pzErr = mPrintf("%s", "Inconsistent db handles")
+		return 0
+	}
+	args := make([]string, argc)
+	var A []*C.char
+	slice := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(argv)), Len: int(argc), Cap: int(argc)}
+	a := reflect.NewAt(reflect.TypeOf(A), unsafe.Pointer(&slice)).Elem().Interface()
+	for i, s := range a.([]*C.char) {
+		args[i] = C.GoString(s)
+	}
+	var vTab VTab
+	var err error
+	if isCreate == 1 {
+		vTab, err = m.module.Create(m.c, args)
+	} else {
+		vTab, err = m.module.Connect(m.c, args)
+	}
+
+	if err != nil {
+		*pzErr = mPrintf("%s", err.Error())
+		return 0
+	}
+	vt := sqliteVTab{m, vTab}
+	*pzErr = nil
+	return C.uintptr_t(newHandle(m.c, &vt))
+}
+
+//export goVRelease
+func goVRelease(pVTab unsafe.Pointer, isDestroy C.int) *C.char {
+	vt := lookupHandle(uintptr(pVTab)).(*sqliteVTab)
+	var err error
+	if isDestroy == 1 {
+		err = vt.vTab.Destroy()
+	} else {
+		err = vt.vTab.Disconnect()
+	}
+	if err != nil {
+		return mPrintf("%s", err.Error())
+	}
+	return nil
+}
+
+//export goVOpen
+func goVOpen(pVTab unsafe.Pointer, pzErr **C.char) C.uintptr_t {
+	vt := lookupHandle(uintptr(pVTab)).(*sqliteVTab)
+	vTabCursor, err := vt.vTab.Open()
+	if err != nil {
+		*pzErr = mPrintf("%s", err.Error())
+		return 0
+	}
+	vtc := sqliteVTabCursor{vt, vTabCursor}
+	*pzErr = nil
+	return C.uintptr_t(newHandle(vt.module.c, &vtc))
+}
+
+//export goVBestIndex
+func goVBestIndex(pVTab unsafe.Pointer, icp unsafe.Pointer) *C.char {
+	vt := lookupHandle(uintptr(pVTab)).(*sqliteVTab)
+	info := (*C.sqlite3_index_info)(icp)
+	csts := constraints(info)
+	res, err := vt.vTab.BestIndex(csts, orderBys(info))
+	if err != nil {
+		return mPrintf("%s", err.Error())
+	}
+	if len(res.Used) != len(csts) {
+		return mPrintf("Result.Used != expected value", "")
+	}
+
+	// Get a pointer to constraint_usage struct so we can update in place.
+	l := info.nConstraint
+	s := (*[1 << 30]C.struct_sqlite3_index_constraint_usage)(unsafe.Pointer(info.aConstraintUsage))[:l:l]
+	index := 1
+	for i := C.int(0); i < info.nConstraint; i++ {
+		if res.Used[i] {
+			s[i].argvIndex = C.int(index)
+			s[i].omit = C.uchar(1)
+			index++
+		}
+	}
+
+	info.idxNum = C.int(res.IdxNum)
+	idxStr := C.CString(res.IdxStr)
+	defer C.free(unsafe.Pointer(idxStr))
+	info.idxStr = idxStr
+	info.needToFreeIdxStr = C.int(0)
+	if res.AlreadyOrdered {
+		info.orderByConsumed = C.int(1)
+	}
+	info.estimatedCost = C.double(res.EstimatedCost)
+	info.estimatedRows = C.sqlite3_int64(res.EstimatedRows)
+
+	return nil
+}
+
+//export goVClose
+func goVClose(pCursor unsafe.Pointer) *C.char {
+	vtc := lookupHandle(uintptr(pCursor)).(*sqliteVTabCursor)
+	err := vtc.vTabCursor.Close()
+	if err != nil {
+		return mPrintf("%s", err.Error())
+	}
+	return nil
+}
+
+//export goMDestroy
+func goMDestroy(pClientData unsafe.Pointer) {
+	m := lookupHandle(uintptr(pClientData)).(*sqliteModule)
+	m.module.DestroyModule()
+}
+
+//export goVFilter
+func goVFilter(pCursor unsafe.Pointer, idxNum C.int, idxName *C.char, argc C.int, argv **C.sqlite3_value) *C.char {
+	vtc := lookupHandle(uintptr(pCursor)).(*sqliteVTabCursor)
+	args := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.sqlite3_value)(nil))]*C.sqlite3_value)(unsafe.Pointer(argv))[:argc:argc]
+	vals := make([]interface{}, 0, argc)
+	for _, v := range args {
+		conv, err := callbackArgGeneric(v)
+		if err != nil {
+			return mPrintf("%s", err.Error())
+		}
+		vals = append(vals, conv.Interface())
+	}
+	err := vtc.vTabCursor.Filter(int(idxNum), C.GoString(idxName), vals)
+	if err != nil {
+		return mPrintf("%s", err.Error())
+	}
+	return nil
+}
+
+//export goVNext
+func goVNext(pCursor unsafe.Pointer) *C.char {
+	vtc := lookupHandle(uintptr(pCursor)).(*sqliteVTabCursor)
+	err := vtc.vTabCursor.Next()
+	if err != nil {
+		return mPrintf("%s", err.Error())
+	}
+	return nil
+}
+
+//export goVEof
+func goVEof(pCursor unsafe.Pointer) C.int {
+	vtc := lookupHandle(uintptr(pCursor)).(*sqliteVTabCursor)
+	err := vtc.vTabCursor.EOF()
+	if err {
+		return 1
+	}
+	return 0
+}
+
+//export goVColumn
+func goVColumn(pCursor, cp unsafe.Pointer, col C.int) *C.char {
+	vtc := lookupHandle(uintptr(pCursor)).(*sqliteVTabCursor)
+	c := (*SQLiteContext)(cp)
+	err := vtc.vTabCursor.Column(c, int(col))
+	if err != nil {
+		return mPrintf("%s", err.Error())
+	}
+	return nil
+}
+
+//export goVRowid
+func goVRowid(pCursor unsafe.Pointer, pRowid *C.sqlite3_int64) *C.char {
+	vtc := lookupHandle(uintptr(pCursor)).(*sqliteVTabCursor)
+	rowid, err := vtc.vTabCursor.Rowid()
+	if err != nil {
+		return mPrintf("%s", err.Error())
+	}
+	*pRowid = C.sqlite3_int64(rowid)
+	return nil
+}
+
+// Module is a "virtual table module", it defines the implementation of a
+// virtual tables. See: http://sqlite.org/c3ref/module.html
+type Module interface {
+	// http://sqlite.org/vtab.html#xcreate
+	Create(c *SQLiteConn, args []string) (VTab, error)
+	// http://sqlite.org/vtab.html#xconnect
+	Connect(c *SQLiteConn, args []string) (VTab, error)
+	// http://sqlite.org/c3ref/create_module.html
+	DestroyModule()
+}
+
+// VTab describes a particular instance of the virtual table.
+// See: http://sqlite.org/c3ref/vtab.html
+type VTab interface {
+	// http://sqlite.org/vtab.html#xbestindex
+	BestIndex([]InfoConstraint, []InfoOrderBy) (*IndexResult, error)
+	// http://sqlite.org/vtab.html#xdisconnect
+	Disconnect() error
+	// http://sqlite.org/vtab.html#sqlite3_module.xDestroy
+	Destroy() error
+	// http://sqlite.org/vtab.html#xopen
+	Open() (VTabCursor, error)
+}
+
+// VTabCursor describes cursors that point into the virtual table and are used
+// to loop through the virtual table. See: http://sqlite.org/c3ref/vtab_cursor.html
+type VTabCursor interface {
+	// http://sqlite.org/vtab.html#xclose
+	Close() error
+	// http://sqlite.org/vtab.html#xfilter
+	Filter(idxNum int, idxStr string, vals []interface{}) error
+	// http://sqlite.org/vtab.html#xnext
+	Next() error
+	// http://sqlite.org/vtab.html#xeof
+	EOF() bool
+	// http://sqlite.org/vtab.html#xcolumn
+	Column(c *SQLiteContext, col int) error
+	// http://sqlite.org/vtab.html#xrowid
+	Rowid() (int64, error)
+}
+
+// DeclareVTab declares the Schema of a virtual table.
+// See: http://sqlite.org/c3ref/declare_vtab.html
+func (c *SQLiteConn) DeclareVTab(sql string) error {
+	zSQL := C.CString(sql)
+	defer C.free(unsafe.Pointer(zSQL))
+	rv := C.sqlite3_declare_vtab(c.db, zSQL)
+	if rv != C.SQLITE_OK {
+		return c.lastError()
+	}
+	return nil
+}
+
+// CreateModule registers a virtual table implementation.
+// See: http://sqlite.org/c3ref/create_module.html
+func (c *SQLiteConn) CreateModule(moduleName string, module Module) error {
+	mname := C.CString(moduleName)
+	defer C.free(unsafe.Pointer(mname))
+	udm := sqliteModule{c, moduleName, module}
+	rv := C._sqlite3_create_module(c.db, mname, C.uintptr_t(newHandle(c, &udm)))
+	if rv != C.SQLITE_OK {
+		return c.lastError()
+	}
+	return nil
+}

vendor/github.com/mattn/go-sqlite3/sqlite3_windows.go

@@ -0,0 +1,14 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+// +build windows
+
+package sqlite3
+
+/*
+#cgo CFLAGS: -I. -fno-stack-check -fno-stack-protector -mno-stack-arg-probe
+#cgo windows,386 CFLAGS: -D_USE_32BIT_TIME_T
+#cgo LDFLAGS: -lmingwex -lmingw32
+*/
+import "C"

vendor/github.com/mattn/go-sqlite3/sqlite3ext.h

@@ -0,0 +1,565 @@
+#ifndef USE_LIBSQLITE3
+/*
+** 2006 June 7
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+** This header file defines the SQLite interface for use by
+** shared libraries that want to be imported as extensions into
+** an SQLite instance.  Shared libraries that intend to be loaded
+** as extensions by SQLite should #include this file instead of 
+** sqlite3.h.
+*/
+#ifndef SQLITE3EXT_H
+#define SQLITE3EXT_H
+#include "sqlite3.h"
+
+/*
+** The following structure holds pointers to all of the SQLite API
+** routines.
+**
+** WARNING:  In order to maintain backwards compatibility, add new
+** interfaces to the end of this structure only.  If you insert new
+** interfaces in the middle of this structure, then older different
+** versions of SQLite will not be able to load each other's shared
+** libraries!
+*/
+struct sqlite3_api_routines {
+  void * (*aggregate_context)(sqlite3_context*,int nBytes);
+  int  (*aggregate_count)(sqlite3_context*);
+  int  (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*));
+  int  (*bind_double)(sqlite3_stmt*,int,double);
+  int  (*bind_int)(sqlite3_stmt*,int,int);
+  int  (*bind_int64)(sqlite3_stmt*,int,sqlite_int64);
+  int  (*bind_null)(sqlite3_stmt*,int);
+  int  (*bind_parameter_count)(sqlite3_stmt*);
+  int  (*bind_parameter_index)(sqlite3_stmt*,const char*zName);
+  const char * (*bind_parameter_name)(sqlite3_stmt*,int);
+  int  (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*));
+  int  (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*));
+  int  (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*);
+  int  (*busy_handler)(sqlite3*,int(*)(void*,int),void*);
+  int  (*busy_timeout)(sqlite3*,int ms);
+  int  (*changes)(sqlite3*);
+  int  (*close)(sqlite3*);
+  int  (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,
+                           int eTextRep,const char*));
+  int  (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,
+                             int eTextRep,const void*));
+  const void * (*column_blob)(sqlite3_stmt*,int iCol);
+  int  (*column_bytes)(sqlite3_stmt*,int iCol);
+  int  (*column_bytes16)(sqlite3_stmt*,int iCol);
+  int  (*column_count)(sqlite3_stmt*pStmt);
+  const char * (*column_database_name)(sqlite3_stmt*,int);
+  const void * (*column_database_name16)(sqlite3_stmt*,int);
+  const char * (*column_decltype)(sqlite3_stmt*,int i);
+  const void * (*column_decltype16)(sqlite3_stmt*,int);
+  double  (*column_double)(sqlite3_stmt*,int iCol);
+  int  (*column_int)(sqlite3_stmt*,int iCol);
+  sqlite_int64  (*column_int64)(sqlite3_stmt*,int iCol);
+  const char * (*column_name)(sqlite3_stmt*,int);
+  const void * (*column_name16)(sqlite3_stmt*,int);
+  const char * (*column_origin_name)(sqlite3_stmt*,int);
+  const void * (*column_origin_name16)(sqlite3_stmt*,int);
+  const char * (*column_table_name)(sqlite3_stmt*,int);
+  const void * (*column_table_name16)(sqlite3_stmt*,int);
+  const unsigned char * (*column_text)(sqlite3_stmt*,int iCol);
+  const void * (*column_text16)(sqlite3_stmt*,int iCol);
+  int  (*column_type)(sqlite3_stmt*,int iCol);
+  sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol);
+  void * (*commit_hook)(sqlite3*,int(*)(void*),void*);
+  int  (*complete)(const char*sql);
+  int  (*complete16)(const void*sql);
+  int  (*create_collation)(sqlite3*,const char*,int,void*,
+                           int(*)(void*,int,const void*,int,const void*));
+  int  (*create_collation16)(sqlite3*,const void*,int,void*,
+                             int(*)(void*,int,const void*,int,const void*));
+  int  (*create_function)(sqlite3*,const char*,int,int,void*,
+                          void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
+                          void (*xStep)(sqlite3_context*,int,sqlite3_value**),
+                          void (*xFinal)(sqlite3_context*));
+  int  (*create_function16)(sqlite3*,const void*,int,int,void*,
+                            void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
+                            void (*xStep)(sqlite3_context*,int,sqlite3_value**),
+                            void (*xFinal)(sqlite3_context*));
+  int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*);
+  int  (*data_count)(sqlite3_stmt*pStmt);
+  sqlite3 * (*db_handle)(sqlite3_stmt*);
+  int (*declare_vtab)(sqlite3*,const char*);
+  int  (*enable_shared_cache)(int);
+  int  (*errcode)(sqlite3*db);
+  const char * (*errmsg)(sqlite3*);
+  const void * (*errmsg16)(sqlite3*);
+  int  (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**);
+  int  (*expired)(sqlite3_stmt*);
+  int  (*finalize)(sqlite3_stmt*pStmt);
+  void  (*free)(void*);
+  void  (*free_table)(char**result);
+  int  (*get_autocommit)(sqlite3*);
+  void * (*get_auxdata)(sqlite3_context*,int);
+  int  (*get_table)(sqlite3*,const char*,char***,int*,int*,char**);
+  int  (*global_recover)(void);
+  void  (*interruptx)(sqlite3*);
+  sqlite_int64  (*last_insert_rowid)(sqlite3*);
+  const char * (*libversion)(void);
+  int  (*libversion_number)(void);
+  void *(*malloc)(int);
+  char * (*mprintf)(const char*,...);
+  int  (*open)(const char*,sqlite3**);
+  int  (*open16)(const void*,sqlite3**);
+  int  (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
+  int  (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
+  void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*);
+  void  (*progress_handler)(sqlite3*,int,int(*)(void*),void*);
+  void *(*realloc)(void*,int);
+  int  (*reset)(sqlite3_stmt*pStmt);
+  void  (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*));
+  void  (*result_double)(sqlite3_context*,double);
+  void  (*result_error)(sqlite3_context*,const char*,int);
+  void  (*result_error16)(sqlite3_context*,const void*,int);
+  void  (*result_int)(sqlite3_context*,int);
+  void  (*result_int64)(sqlite3_context*,sqlite_int64);
+  void  (*result_null)(sqlite3_context*);
+  void  (*result_text)(sqlite3_context*,const char*,int,void(*)(void*));
+  void  (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*));
+  void  (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));
+  void  (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));
+  void  (*result_value)(sqlite3_context*,sqlite3_value*);
+  void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);
+  int  (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,
+                         const char*,const char*),void*);
+  void  (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));
+  char * (*snprintf)(int,char*,const char*,...);
+  int  (*step)(sqlite3_stmt*);
+  int  (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,
+                                char const**,char const**,int*,int*,int*);
+  void  (*thread_cleanup)(void);
+  int  (*total_changes)(sqlite3*);
+  void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);
+  int  (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);
+  void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,
+                                         sqlite_int64),void*);
+  void * (*user_data)(sqlite3_context*);
+  const void * (*value_blob)(sqlite3_value*);
+  int  (*value_bytes)(sqlite3_value*);
+  int  (*value_bytes16)(sqlite3_value*);
+  double  (*value_double)(sqlite3_value*);
+  int  (*value_int)(sqlite3_value*);
+  sqlite_int64  (*value_int64)(sqlite3_value*);
+  int  (*value_numeric_type)(sqlite3_value*);
+  const unsigned char * (*value_text)(sqlite3_value*);
+  const void * (*value_text16)(sqlite3_value*);
+  const void * (*value_text16be)(sqlite3_value*);
+  const void * (*value_text16le)(sqlite3_value*);
+  int  (*value_type)(sqlite3_value*);
+  char *(*vmprintf)(const char*,va_list);
+  /* Added ??? */
+  int (*overload_function)(sqlite3*, const char *zFuncName, int nArg);
+  /* Added by 3.3.13 */
+  int (*prepare_v2)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
+  int (*prepare16_v2)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
+  int (*clear_bindings)(sqlite3_stmt*);
+  /* Added by 3.4.1 */
+  int (*create_module_v2)(sqlite3*,const char*,const sqlite3_module*,void*,
+                          void (*xDestroy)(void *));
+  /* Added by 3.5.0 */
+  int (*bind_zeroblob)(sqlite3_stmt*,int,int);
+  int (*blob_bytes)(sqlite3_blob*);
+  int (*blob_close)(sqlite3_blob*);
+  int (*blob_open)(sqlite3*,const char*,const char*,const char*,sqlite3_int64,
+                   int,sqlite3_blob**);
+  int (*blob_read)(sqlite3_blob*,void*,int,int);
+  int (*blob_write)(sqlite3_blob*,const void*,int,int);
+  int (*create_collation_v2)(sqlite3*,const char*,int,void*,
+                             int(*)(void*,int,const void*,int,const void*),
+                             void(*)(void*));
+  int (*file_control)(sqlite3*,const char*,int,void*);
+  sqlite3_int64 (*memory_highwater)(int);
+  sqlite3_int64 (*memory_used)(void);
+  sqlite3_mutex *(*mutex_alloc)(int);
+  void (*mutex_enter)(sqlite3_mutex*);
+  void (*mutex_free)(sqlite3_mutex*);
+  void (*mutex_leave)(sqlite3_mutex*);
+  int (*mutex_try)(sqlite3_mutex*);
+  int (*open_v2)(const char*,sqlite3**,int,const char*);
+  int (*release_memory)(int);
+  void (*result_error_nomem)(sqlite3_context*);
+  void (*result_error_toobig)(sqlite3_context*);
+  int (*sleep)(int);
+  void (*soft_heap_limit)(int);
+  sqlite3_vfs *(*vfs_find)(const char*);
+  int (*vfs_register)(sqlite3_vfs*,int);
+  int (*vfs_unregister)(sqlite3_vfs*);
+  int (*xthreadsafe)(void);
+  void (*result_zeroblob)(sqlite3_context*,int);
+  void (*result_error_code)(sqlite3_context*,int);
+  int (*test_control)(int, ...);
+  void (*randomness)(int,void*);
+  sqlite3 *(*context_db_handle)(sqlite3_context*);
+  int (*extended_result_codes)(sqlite3*,int);
+  int (*limit)(sqlite3*,int,int);
+  sqlite3_stmt *(*next_stmt)(sqlite3*,sqlite3_stmt*);
+  const char *(*sql)(sqlite3_stmt*);
+  int (*status)(int,int*,int*,int);
+  int (*backup_finish)(sqlite3_backup*);
+  sqlite3_backup *(*backup_init)(sqlite3*,const char*,sqlite3*,const char*);
+  int (*backup_pagecount)(sqlite3_backup*);
+  int (*backup_remaining)(sqlite3_backup*);
+  int (*backup_step)(sqlite3_backup*,int);
+  const char *(*compileoption_get)(int);
+  int (*compileoption_used)(const char*);
+  int (*create_function_v2)(sqlite3*,const char*,int,int,void*,
+                            void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
+                            void (*xStep)(sqlite3_context*,int,sqlite3_value**),
+                            void (*xFinal)(sqlite3_context*),
+                            void(*xDestroy)(void*));
+  int (*db_config)(sqlite3*,int,...);
+  sqlite3_mutex *(*db_mutex)(sqlite3*);
+  int (*db_status)(sqlite3*,int,int*,int*,int);
+  int (*extended_errcode)(sqlite3*);
+  void (*log)(int,const char*,...);
+  sqlite3_int64 (*soft_heap_limit64)(sqlite3_int64);
+  const char *(*sourceid)(void);
+  int (*stmt_status)(sqlite3_stmt*,int,int);
+  int (*strnicmp)(const char*,const char*,int);
+  int (*unlock_notify)(sqlite3*,void(*)(void**,int),void*);
+  int (*wal_autocheckpoint)(sqlite3*,int);
+  int (*wal_checkpoint)(sqlite3*,const char*);
+  void *(*wal_hook)(sqlite3*,int(*)(void*,sqlite3*,const char*,int),void*);
+  int (*blob_reopen)(sqlite3_blob*,sqlite3_int64);
+  int (*vtab_config)(sqlite3*,int op,...);
+  int (*vtab_on_conflict)(sqlite3*);
+  /* Version 3.7.16 and later */
+  int (*close_v2)(sqlite3*);
+  const char *(*db_filename)(sqlite3*,const char*);
+  int (*db_readonly)(sqlite3*,const char*);
+  int (*db_release_memory)(sqlite3*);
+  const char *(*errstr)(int);
+  int (*stmt_busy)(sqlite3_stmt*);
+  int (*stmt_readonly)(sqlite3_stmt*);
+  int (*stricmp)(const char*,const char*);
+  int (*uri_boolean)(const char*,const char*,int);
+  sqlite3_int64 (*uri_int64)(const char*,const char*,sqlite3_int64);
+  const char *(*uri_parameter)(const char*,const char*);
+  char *(*vsnprintf)(int,char*,const char*,va_list);
+  int (*wal_checkpoint_v2)(sqlite3*,const char*,int,int*,int*);
+  /* Version 3.8.7 and later */
+  int (*auto_extension)(void(*)(void));
+  int (*bind_blob64)(sqlite3_stmt*,int,const void*,sqlite3_uint64,
+                     void(*)(void*));
+  int (*bind_text64)(sqlite3_stmt*,int,const char*,sqlite3_uint64,
+                      void(*)(void*),unsigned char);
+  int (*cancel_auto_extension)(void(*)(void));
+  int (*load_extension)(sqlite3*,const char*,const char*,char**);
+  void *(*malloc64)(sqlite3_uint64);
+  sqlite3_uint64 (*msize)(void*);
+  void *(*realloc64)(void*,sqlite3_uint64);
+  void (*reset_auto_extension)(void);
+  void (*result_blob64)(sqlite3_context*,const void*,sqlite3_uint64,
+                        void(*)(void*));
+  void (*result_text64)(sqlite3_context*,const char*,sqlite3_uint64,
+                         void(*)(void*), unsigned char);
+  int (*strglob)(const char*,const char*);
+  /* Version 3.8.11 and later */
+  sqlite3_value *(*value_dup)(const sqlite3_value*);
+  void (*value_free)(sqlite3_value*);
+  int (*result_zeroblob64)(sqlite3_context*,sqlite3_uint64);
+  int (*bind_zeroblob64)(sqlite3_stmt*, int, sqlite3_uint64);
+  /* Version 3.9.0 and later */
+  unsigned int (*value_subtype)(sqlite3_value*);
+  void (*result_subtype)(sqlite3_context*,unsigned int);
+  /* Version 3.10.0 and later */
+  int (*status64)(int,sqlite3_int64*,sqlite3_int64*,int);
+  int (*strlike)(const char*,const char*,unsigned int);
+  int (*db_cacheflush)(sqlite3*);
+  /* Version 3.12.0 and later */
+  int (*system_errno)(sqlite3*);
+  /* Version 3.14.0 and later */
+  int (*trace_v2)(sqlite3*,unsigned,int(*)(unsigned,void*,void*,void*),void*);
+  char *(*expanded_sql)(sqlite3_stmt*);
+};
+
+/*
+** This is the function signature used for all extension entry points.  It
+** is also defined in the file "loadext.c".
+*/
+typedef int (*sqlite3_loadext_entry)(
+  sqlite3 *db,                       /* Handle to the database. */
+  char **pzErrMsg,                   /* Used to set error string on failure. */
+  const sqlite3_api_routines *pThunk /* Extension API function pointers. */
+);
+
+/*
+** The following macros redefine the API routines so that they are
+** redirected through the global sqlite3_api structure.
+**
+** This header file is also used by the loadext.c source file
+** (part of the main SQLite library - not an extension) so that
+** it can get access to the sqlite3_api_routines structure
+** definition.  But the main library does not want to redefine
+** the API.  So the redefinition macros are only valid if the
+** SQLITE_CORE macros is undefined.
+*/
+#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
+#define sqlite3_aggregate_context      sqlite3_api->aggregate_context
+#ifndef SQLITE_OMIT_DEPRECATED
+#define sqlite3_aggregate_count        sqlite3_api->aggregate_count
+#endif
+#define sqlite3_bind_blob              sqlite3_api->bind_blob
+#define sqlite3_bind_double            sqlite3_api->bind_double
+#define sqlite3_bind_int               sqlite3_api->bind_int
+#define sqlite3_bind_int64             sqlite3_api->bind_int64
+#define sqlite3_bind_null              sqlite3_api->bind_null
+#define sqlite3_bind_parameter_count   sqlite3_api->bind_parameter_count
+#define sqlite3_bind_parameter_index   sqlite3_api->bind_parameter_index
+#define sqlite3_bind_parameter_name    sqlite3_api->bind_parameter_name
+#define sqlite3_bind_text              sqlite3_api->bind_text
+#define sqlite3_bind_text16            sqlite3_api->bind_text16
+#define sqlite3_bind_value             sqlite3_api->bind_value
+#define sqlite3_busy_handler           sqlite3_api->busy_handler
+#define sqlite3_busy_timeout           sqlite3_api->busy_timeout
+#define sqlite3_changes                sqlite3_api->changes
+#define sqlite3_close                  sqlite3_api->close
+#define sqlite3_collation_needed       sqlite3_api->collation_needed
+#define sqlite3_collation_needed16     sqlite3_api->collation_needed16
+#define sqlite3_column_blob            sqlite3_api->column_blob
+#define sqlite3_column_bytes           sqlite3_api->column_bytes
+#define sqlite3_column_bytes16         sqlite3_api->column_bytes16
+#define sqlite3_column_count           sqlite3_api->column_count
+#define sqlite3_column_database_name   sqlite3_api->column_database_name
+#define sqlite3_column_database_name16 sqlite3_api->column_database_name16
+#define sqlite3_column_decltype        sqlite3_api->column_decltype
+#define sqlite3_column_decltype16      sqlite3_api->column_decltype16
+#define sqlite3_column_double          sqlite3_api->column_double
+#define sqlite3_column_int             sqlite3_api->column_int
+#define sqlite3_column_int64           sqlite3_api->column_int64
+#define sqlite3_column_name            sqlite3_api->column_name
+#define sqlite3_column_name16          sqlite3_api->column_name16
+#define sqlite3_column_origin_name     sqlite3_api->column_origin_name
+#define sqlite3_column_origin_name16   sqlite3_api->column_origin_name16
+#define sqlite3_column_table_name      sqlite3_api->column_table_name
+#define sqlite3_column_table_name16    sqlite3_api->column_table_name16
+#define sqlite3_column_text            sqlite3_api->column_text
+#define sqlite3_column_text16          sqlite3_api->column_text16
+#define sqlite3_column_type            sqlite3_api->column_type
+#define sqlite3_column_value           sqlite3_api->column_value
+#define sqlite3_commit_hook            sqlite3_api->commit_hook
+#define sqlite3_complete               sqlite3_api->complete
+#define sqlite3_complete16             sqlite3_api->complete16
+#define sqlite3_create_collation       sqlite3_api->create_collation
+#define sqlite3_create_collation16     sqlite3_api->create_collation16
+#define sqlite3_create_function        sqlite3_api->create_function
+#define sqlite3_create_function16      sqlite3_api->create_function16
+#define sqlite3_create_module          sqlite3_api->create_module
+#define sqlite3_create_module_v2       sqlite3_api->create_module_v2
+#define sqlite3_data_count             sqlite3_api->data_count
+#define sqlite3_db_handle              sqlite3_api->db_handle
+#define sqlite3_declare_vtab           sqlite3_api->declare_vtab
+#define sqlite3_enable_shared_cache    sqlite3_api->enable_shared_cache
+#define sqlite3_errcode                sqlite3_api->errcode
+#define sqlite3_errmsg                 sqlite3_api->errmsg
+#define sqlite3_errmsg16               sqlite3_api->errmsg16
+#define sqlite3_exec                   sqlite3_api->exec
+#ifndef SQLITE_OMIT_DEPRECATED
+#define sqlite3_expired                sqlite3_api->expired
+#endif
+#define sqlite3_finalize               sqlite3_api->finalize
+#define sqlite3_free                   sqlite3_api->free
+#define sqlite3_free_table             sqlite3_api->free_table
+#define sqlite3_get_autocommit         sqlite3_api->get_autocommit
+#define sqlite3_get_auxdata            sqlite3_api->get_auxdata
+#define sqlite3_get_table              sqlite3_api->get_table
+#ifndef SQLITE_OMIT_DEPRECATED
+#define sqlite3_global_recover         sqlite3_api->global_recover
+#endif
+#define sqlite3_interrupt              sqlite3_api->interruptx
+#define sqlite3_last_insert_rowid      sqlite3_api->last_insert_rowid
+#define sqlite3_libversion             sqlite3_api->libversion
+#define sqlite3_libversion_number      sqlite3_api->libversion_number
+#define sqlite3_malloc                 sqlite3_api->malloc
+#define sqlite3_mprintf                sqlite3_api->mprintf
+#define sqlite3_open                   sqlite3_api->open
+#define sqlite3_open16                 sqlite3_api->open16
+#define sqlite3_prepare                sqlite3_api->prepare
+#define sqlite3_prepare16              sqlite3_api->prepare16
+#define sqlite3_prepare_v2             sqlite3_api->prepare_v2
+#define sqlite3_prepare16_v2           sqlite3_api->prepare16_v2
+#define sqlite3_profile                sqlite3_api->profile
+#define sqlite3_progress_handler       sqlite3_api->progress_handler
+#define sqlite3_realloc                sqlite3_api->realloc
+#define sqlite3_reset                  sqlite3_api->reset
+#define sqlite3_result_blob            sqlite3_api->result_blob
+#define sqlite3_result_double          sqlite3_api->result_double
+#define sqlite3_result_error           sqlite3_api->result_error
+#define sqlite3_result_error16         sqlite3_api->result_error16
+#define sqlite3_result_int             sqlite3_api->result_int
+#define sqlite3_result_int64           sqlite3_api->result_int64
+#define sqlite3_result_null            sqlite3_api->result_null
+#define sqlite3_result_text            sqlite3_api->result_text
+#define sqlite3_result_text16          sqlite3_api->result_text16
+#define sqlite3_result_text16be        sqlite3_api->result_text16be
+#define sqlite3_result_text16le        sqlite3_api->result_text16le
+#define sqlite3_result_value           sqlite3_api->result_value
+#define sqlite3_rollback_hook          sqlite3_api->rollback_hook
+#define sqlite3_set_authorizer         sqlite3_api->set_authorizer
+#define sqlite3_set_auxdata            sqlite3_api->set_auxdata
+#define sqlite3_snprintf               sqlite3_api->snprintf
+#define sqlite3_step                   sqlite3_api->step
+#define sqlite3_table_column_metadata  sqlite3_api->table_column_metadata
+#define sqlite3_thread_cleanup         sqlite3_api->thread_cleanup
+#define sqlite3_total_changes          sqlite3_api->total_changes
+#define sqlite3_trace                  sqlite3_api->trace
+#ifndef SQLITE_OMIT_DEPRECATED
+#define sqlite3_transfer_bindings      sqlite3_api->transfer_bindings
+#endif
+#define sqlite3_update_hook            sqlite3_api->update_hook
+#define sqlite3_user_data              sqlite3_api->user_data
+#define sqlite3_value_blob             sqlite3_api->value_blob
+#define sqlite3_value_bytes            sqlite3_api->value_bytes
+#define sqlite3_value_bytes16          sqlite3_api->value_bytes16
+#define sqlite3_value_double           sqlite3_api->value_double
+#define sqlite3_value_int              sqlite3_api->value_int
+#define sqlite3_value_int64            sqlite3_api->value_int64
+#define sqlite3_value_numeric_type     sqlite3_api->value_numeric_type
+#define sqlite3_value_text             sqlite3_api->value_text
+#define sqlite3_value_text16           sqlite3_api->value_text16
+#define sqlite3_value_text16be         sqlite3_api->value_text16be
+#define sqlite3_value_text16le         sqlite3_api->value_text16le
+#define sqlite3_value_type             sqlite3_api->value_type
+#define sqlite3_vmprintf               sqlite3_api->vmprintf
+#define sqlite3_vsnprintf              sqlite3_api->vsnprintf
+#define sqlite3_overload_function      sqlite3_api->overload_function
+#define sqlite3_prepare_v2             sqlite3_api->prepare_v2
+#define sqlite3_prepare16_v2           sqlite3_api->prepare16_v2
+#define sqlite3_clear_bindings         sqlite3_api->clear_bindings
+#define sqlite3_bind_zeroblob          sqlite3_api->bind_zeroblob
+#define sqlite3_blob_bytes             sqlite3_api->blob_bytes
+#define sqlite3_blob_close             sqlite3_api->blob_close
+#define sqlite3_blob_open              sqlite3_api->blob_open
+#define sqlite3_blob_read              sqlite3_api->blob_read
+#define sqlite3_blob_write             sqlite3_api->blob_write
+#define sqlite3_create_collation_v2    sqlite3_api->create_collation_v2
+#define sqlite3_file_control           sqlite3_api->file_control
+#define sqlite3_memory_highwater       sqlite3_api->memory_highwater
+#define sqlite3_memory_used            sqlite3_api->memory_used
+#define sqlite3_mutex_alloc            sqlite3_api->mutex_alloc
+#define sqlite3_mutex_enter            sqlite3_api->mutex_enter
+#define sqlite3_mutex_free             sqlite3_api->mutex_free
+#define sqlite3_mutex_leave            sqlite3_api->mutex_leave
+#define sqlite3_mutex_try              sqlite3_api->mutex_try
+#define sqlite3_open_v2                sqlite3_api->open_v2
+#define sqlite3_release_memory         sqlite3_api->release_memory
+#define sqlite3_result_error_nomem     sqlite3_api->result_error_nomem
+#define sqlite3_result_error_toobig    sqlite3_api->result_error_toobig
+#define sqlite3_sleep                  sqlite3_api->sleep
+#define sqlite3_soft_heap_limit        sqlite3_api->soft_heap_limit
+#define sqlite3_vfs_find               sqlite3_api->vfs_find
+#define sqlite3_vfs_register           sqlite3_api->vfs_register
+#define sqlite3_vfs_unregister         sqlite3_api->vfs_unregister
+#define sqlite3_threadsafe             sqlite3_api->xthreadsafe
+#define sqlite3_result_zeroblob        sqlite3_api->result_zeroblob
+#define sqlite3_result_error_code      sqlite3_api->result_error_code
+#define sqlite3_test_control           sqlite3_api->test_control
+#define sqlite3_randomness             sqlite3_api->randomness
+#define sqlite3_context_db_handle      sqlite3_api->context_db_handle
+#define sqlite3_extended_result_codes  sqlite3_api->extended_result_codes
+#define sqlite3_limit                  sqlite3_api->limit
+#define sqlite3_next_stmt              sqlite3_api->next_stmt
+#define sqlite3_sql                    sqlite3_api->sql
+#define sqlite3_status                 sqlite3_api->status
+#define sqlite3_backup_finish          sqlite3_api->backup_finish
+#define sqlite3_backup_init            sqlite3_api->backup_init
+#define sqlite3_backup_pagecount       sqlite3_api->backup_pagecount
+#define sqlite3_backup_remaining       sqlite3_api->backup_remaining
+#define sqlite3_backup_step            sqlite3_api->backup_step
+#define sqlite3_compileoption_get      sqlite3_api->compileoption_get
+#define sqlite3_compileoption_used     sqlite3_api->compileoption_used
+#define sqlite3_create_function_v2     sqlite3_api->create_function_v2
+#define sqlite3_db_config              sqlite3_api->db_config
+#define sqlite3_db_mutex               sqlite3_api->db_mutex
+#define sqlite3_db_status              sqlite3_api->db_status
+#define sqlite3_extended_errcode       sqlite3_api->extended_errcode
+#define sqlite3_log                    sqlite3_api->log
+#define sqlite3_soft_heap_limit64      sqlite3_api->soft_heap_limit64
+#define sqlite3_sourceid               sqlite3_api->sourceid
+#define sqlite3_stmt_status            sqlite3_api->stmt_status
+#define sqlite3_strnicmp               sqlite3_api->strnicmp
+#define sqlite3_unlock_notify          sqlite3_api->unlock_notify
+#define sqlite3_wal_autocheckpoint     sqlite3_api->wal_autocheckpoint
+#define sqlite3_wal_checkpoint         sqlite3_api->wal_checkpoint
+#define sqlite3_wal_hook               sqlite3_api->wal_hook
+#define sqlite3_blob_reopen            sqlite3_api->blob_reopen
+#define sqlite3_vtab_config            sqlite3_api->vtab_config
+#define sqlite3_vtab_on_conflict       sqlite3_api->vtab_on_conflict
+/* Version 3.7.16 and later */
+#define sqlite3_close_v2               sqlite3_api->close_v2
+#define sqlite3_db_filename            sqlite3_api->db_filename
+#define sqlite3_db_readonly            sqlite3_api->db_readonly
+#define sqlite3_db_release_memory      sqlite3_api->db_release_memory
+#define sqlite3_errstr                 sqlite3_api->errstr
+#define sqlite3_stmt_busy              sqlite3_api->stmt_busy
+#define sqlite3_stmt_readonly          sqlite3_api->stmt_readonly
+#define sqlite3_stricmp                sqlite3_api->stricmp
+#define sqlite3_uri_boolean            sqlite3_api->uri_boolean
+#define sqlite3_uri_int64              sqlite3_api->uri_int64
+#define sqlite3_uri_parameter          sqlite3_api->uri_parameter
+#define sqlite3_uri_vsnprintf          sqlite3_api->vsnprintf
+#define sqlite3_wal_checkpoint_v2      sqlite3_api->wal_checkpoint_v2
+/* Version 3.8.7 and later */
+#define sqlite3_auto_extension         sqlite3_api->auto_extension
+#define sqlite3_bind_blob64            sqlite3_api->bind_blob64
+#define sqlite3_bind_text64            sqlite3_api->bind_text64
+#define sqlite3_cancel_auto_extension  sqlite3_api->cancel_auto_extension
+#define sqlite3_load_extension         sqlite3_api->load_extension
+#define sqlite3_malloc64               sqlite3_api->malloc64
+#define sqlite3_msize                  sqlite3_api->msize
+#define sqlite3_realloc64              sqlite3_api->realloc64
+#define sqlite3_reset_auto_extension   sqlite3_api->reset_auto_extension
+#define sqlite3_result_blob64          sqlite3_api->result_blob64
+#define sqlite3_result_text64          sqlite3_api->result_text64
+#define sqlite3_strglob                sqlite3_api->strglob
+/* Version 3.8.11 and later */
+#define sqlite3_value_dup              sqlite3_api->value_dup
+#define sqlite3_value_free             sqlite3_api->value_free
+#define sqlite3_result_zeroblob64      sqlite3_api->result_zeroblob64
+#define sqlite3_bind_zeroblob64        sqlite3_api->bind_zeroblob64
+/* Version 3.9.0 and later */
+#define sqlite3_value_subtype          sqlite3_api->value_subtype
+#define sqlite3_result_subtype         sqlite3_api->result_subtype
+/* Version 3.10.0 and later */
+#define sqlite3_status64               sqlite3_api->status64
+#define sqlite3_strlike                sqlite3_api->strlike
+#define sqlite3_db_cacheflush          sqlite3_api->db_cacheflush
+/* Version 3.12.0 and later */
+#define sqlite3_system_errno           sqlite3_api->system_errno
+/* Version 3.14.0 and later */
+#define sqlite3_trace_v2               sqlite3_api->trace_v2
+#define sqlite3_expanded_sql           sqlite3_api->expanded_sql
+#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */
+
+#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
+  /* This case when the file really is being compiled as a loadable 
+  ** extension */
+# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
+# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;
+# define SQLITE_EXTENSION_INIT3     \
+    extern const sqlite3_api_routines *sqlite3_api;
+#else
+  /* This case when the file is being statically linked into the 
+  ** application */
+# define SQLITE_EXTENSION_INIT1     /*no-op*/
+# define SQLITE_EXTENSION_INIT2(v)  (void)v; /* unused parameter */
+# define SQLITE_EXTENSION_INIT3     /*no-op*/
+#endif
+
+#endif /* SQLITE3EXT_H */
+#else // USE_LIBSQLITE3
+ // If users really want to link against the system sqlite3 we
+// need to make this file a noop.
+ #endif

vendor/golang.org/x/net/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2009 The Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/golang.org/x/net/PATENTS

@@ -0,0 +1,22 @@
+Additional IP Rights Grant (Patents)
+
+"This implementation" means the copyrightable works distributed by
+Google as part of the Go project.
+
+Google hereby grants to You a perpetual, worldwide, non-exclusive,
+no-charge, royalty-free, irrevocable (except as stated in this section)
+patent license to make, have made, use, offer to sell, sell, import,
+transfer and otherwise run, modify and propagate the contents of this
+implementation of Go, where such license applies only to those patent
+claims, both currently owned or controlled by Google and acquired in
+the future, licensable by Google that are necessarily infringed by this
+implementation of Go.  This grant does not include claims that would be
+infringed only as a consequence of further modification of this
+implementation.  If you or your agent or exclusive licensee institute or
+order or agree to the institution of patent litigation against any
+entity (including a cross-claim or counterclaim in a lawsuit) alleging
+that this implementation of Go or any code incorporated within this
+implementation of Go constitutes direct or contributory patent
+infringement, or inducement of patent infringement, then any patent
+rights granted to you under this License for this implementation of Go
+shall terminate as of the date such litigation is filed.

vendor/golang.org/x/net/context/context.go

@@ -0,0 +1,156 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package context defines the Context type, which carries deadlines,
+// cancelation signals, and other request-scoped values across API boundaries
+// and between processes.
+//
+// Incoming requests to a server should create a Context, and outgoing calls to
+// servers should accept a Context. The chain of function calls between must
+// propagate the Context, optionally replacing it with a modified copy created
+// using WithDeadline, WithTimeout, WithCancel, or WithValue.
+//
+// Programs that use Contexts should follow these rules to keep interfaces
+// consistent across packages and enable static analysis tools to check context
+// propagation:
+//
+// Do not store Contexts inside a struct type; instead, pass a Context
+// explicitly to each function that needs it. The Context should be the first
+// parameter, typically named ctx:
+//
+// 	func DoSomething(ctx context.Context, arg Arg) error {
+// 		// ... use ctx ...
+// 	}
+//
+// Do not pass a nil Context, even if a function permits it. Pass context.TODO
+// if you are unsure about which Context to use.
+//
+// Use context Values only for request-scoped data that transits processes and
+// APIs, not for passing optional parameters to functions.
+//
+// The same Context may be passed to functions running in different goroutines;
+// Contexts are safe for simultaneous use by multiple goroutines.
+//
+// See http://blog.golang.org/context for example code for a server that uses
+// Contexts.
+package context // import "golang.org/x/net/context"
+
+import "time"
+
+// A Context carries a deadline, a cancelation signal, and other values across
+// API boundaries.
+//
+// Context's methods may be called by multiple goroutines simultaneously.
+type Context interface {
+	// Deadline returns the time when work done on behalf of this context
+	// should be canceled. Deadline returns ok==false when no deadline is
+	// set. Successive calls to Deadline return the same results.
+	Deadline() (deadline time.Time, ok bool)
+
+	// Done returns a channel that's closed when work done on behalf of this
+	// context should be canceled. Done may return nil if this context can
+	// never be canceled. Successive calls to Done return the same value.
+	//
+	// WithCancel arranges for Done to be closed when cancel is called;
+	// WithDeadline arranges for Done to be closed when the deadline
+	// expires; WithTimeout arranges for Done to be closed when the timeout
+	// elapses.
+	//
+	// Done is provided for use in select statements:
+	//
+	//  // Stream generates values with DoSomething and sends them to out
+	//  // until DoSomething returns an error or ctx.Done is closed.
+	//  func Stream(ctx context.Context, out chan<- Value) error {
+	//  	for {
+	//  		v, err := DoSomething(ctx)
+	//  		if err != nil {
+	//  			return err
+	//  		}
+	//  		select {
+	//  		case <-ctx.Done():
+	//  			return ctx.Err()
+	//  		case out <- v:
+	//  		}
+	//  	}
+	//  }
+	//
+	// See http://blog.golang.org/pipelines for more examples of how to use
+	// a Done channel for cancelation.
+	Done() <-chan struct{}
+
+	// Err returns a non-nil error value after Done is closed. Err returns
+	// Canceled if the context was canceled or DeadlineExceeded if the
+	// context's deadline passed. No other values for Err are defined.
+	// After Done is closed, successive calls to Err return the same value.
+	Err() error
+
+	// Value returns the value associated with this context for key, or nil
+	// if no value is associated with key. Successive calls to Value with
+	// the same key returns the same result.
+	//
+	// Use context values only for request-scoped data that transits
+	// processes and API boundaries, not for passing optional parameters to
+	// functions.
+	//
+	// A key identifies a specific value in a Context. Functions that wish
+	// to store values in Context typically allocate a key in a global
+	// variable then use that key as the argument to context.WithValue and
+	// Context.Value. A key can be any type that supports equality;
+	// packages should define keys as an unexported type to avoid
+	// collisions.
+	//
+	// Packages that define a Context key should provide type-safe accessors
+	// for the values stores using that key:
+	//
+	// 	// Package user defines a User type that's stored in Contexts.
+	// 	package user
+	//
+	// 	import "golang.org/x/net/context"
+	//
+	// 	// User is the type of value stored in the Contexts.
+	// 	type User struct {...}
+	//
+	// 	// key is an unexported type for keys defined in this package.
+	// 	// This prevents collisions with keys defined in other packages.
+	// 	type key int
+	//
+	// 	// userKey is the key for user.User values in Contexts. It is
+	// 	// unexported; clients use user.NewContext and user.FromContext
+	// 	// instead of using this key directly.
+	// 	var userKey key = 0
+	//
+	// 	// NewContext returns a new Context that carries value u.
+	// 	func NewContext(ctx context.Context, u *User) context.Context {
+	// 		return context.WithValue(ctx, userKey, u)
+	// 	}
+	//
+	// 	// FromContext returns the User value stored in ctx, if any.
+	// 	func FromContext(ctx context.Context) (*User, bool) {
+	// 		u, ok := ctx.Value(userKey).(*User)
+	// 		return u, ok
+	// 	}
+	Value(key interface{}) interface{}
+}
+
+// Background returns a non-nil, empty Context. It is never canceled, has no
+// values, and has no deadline. It is typically used by the main function,
+// initialization, and tests, and as the top-level Context for incoming
+// requests.
+func Background() Context {
+	return background
+}
+
+// TODO returns a non-nil, empty Context. Code should use context.TODO when
+// it's unclear which Context to use or it is not yet available (because the
+// surrounding function has not yet been extended to accept a Context
+// parameter).  TODO is recognized by static analysis tools that determine
+// whether Contexts are propagated correctly in a program.
+func TODO() Context {
+	return todo
+}
+
+// A CancelFunc tells an operation to abandon its work.
+// A CancelFunc does not wait for the work to stop.
+// After the first call, subsequent calls to a CancelFunc do nothing.
+type CancelFunc func()

vendor/golang.org/x/net/context/go17.go

@@ -0,0 +1,72 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build go1.7
+
+package context
+
+import (
+	"context" // standard library's context, as of Go 1.7
+	"time"
+)
+
+var (
+	todo       = context.TODO()
+	background = context.Background()
+)
+
+// Canceled is the error returned by Context.Err when the context is canceled.
+var Canceled = context.Canceled
+
+// DeadlineExceeded is the error returned by Context.Err when the context's
+// deadline passes.
+var DeadlineExceeded = context.DeadlineExceeded
+
+// WithCancel returns a copy of parent with a new Done channel. The returned
+// context's Done channel is closed when the returned cancel function is called
+// or when the parent context's Done channel is closed, whichever happens first.
+//
+// Canceling this context releases resources associated with it, so code should
+// call cancel as soon as the operations running in this Context complete.
+func WithCancel(parent Context) (ctx Context, cancel CancelFunc) {
+	ctx, f := context.WithCancel(parent)
+	return ctx, CancelFunc(f)
+}
+
+// WithDeadline returns a copy of the parent context with the deadline adjusted
+// to be no later than d. If the parent's deadline is already earlier than d,
+// WithDeadline(parent, d) is semantically equivalent to parent. The returned
+// context's Done channel is closed when the deadline expires, when the returned
+// cancel function is called, or when the parent context's Done channel is
+// closed, whichever happens first.
+//
+// Canceling this context releases resources associated with it, so code should
+// call cancel as soon as the operations running in this Context complete.
+func WithDeadline(parent Context, deadline time.Time) (Context, CancelFunc) {
+	ctx, f := context.WithDeadline(parent, deadline)
+	return ctx, CancelFunc(f)
+}
+
+// WithTimeout returns WithDeadline(parent, time.Now().Add(timeout)).
+//
+// Canceling this context releases resources associated with it, so code should
+// call cancel as soon as the operations running in this Context complete:
+//
+// 	func slowOperationWithTimeout(ctx context.Context) (Result, error) {
+// 		ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)
+// 		defer cancel()  // releases resources if slowOperation completes before timeout elapses
+// 		return slowOperation(ctx)
+// 	}
+func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) {
+	return WithDeadline(parent, time.Now().Add(timeout))
+}
+
+// WithValue returns a copy of parent in which the value associated with key is
+// val.
+//
+// Use context Values only for request-scoped data that transits processes and
+// APIs, not for passing optional parameters to functions.
+func WithValue(parent Context, key interface{}, val interface{}) Context {
+	return context.WithValue(parent, key, val)
+}

vendor/golang.org/x/net/context/pre_go17.go

@@ -0,0 +1,300 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !go1.7
+
+package context
+
+import (
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+)
+
+// An emptyCtx is never canceled, has no values, and has no deadline. It is not
+// struct{}, since vars of this type must have distinct addresses.
+type emptyCtx int
+
+func (*emptyCtx) Deadline() (deadline time.Time, ok bool) {
+	return
+}
+
+func (*emptyCtx) Done() <-chan struct{} {
+	return nil
+}
+
+func (*emptyCtx) Err() error {
+	return nil
+}
+
+func (*emptyCtx) Value(key interface{}) interface{} {
+	return nil
+}
+
+func (e *emptyCtx) String() string {
+	switch e {
+	case background:
+		return "context.Background"
+	case todo:
+		return "context.TODO"
+	}
+	return "unknown empty Context"
+}
+
+var (
+	background = new(emptyCtx)
+	todo       = new(emptyCtx)
+)
+
+// Canceled is the error returned by Context.Err when the context is canceled.
+var Canceled = errors.New("context canceled")
+
+// DeadlineExceeded is the error returned by Context.Err when the context's
+// deadline passes.
+var DeadlineExceeded = errors.New("context deadline exceeded")
+
+// WithCancel returns a copy of parent with a new Done channel. The returned
+// context's Done channel is closed when the returned cancel function is called
+// or when the parent context's Done channel is closed, whichever happens first.
+//
+// Canceling this context releases resources associated with it, so code should
+// call cancel as soon as the operations running in this Context complete.
+func WithCancel(parent Context) (ctx Context, cancel CancelFunc) {
+	c := newCancelCtx(parent)
+	propagateCancel(parent, c)
+	return c, func() { c.cancel(true, Canceled) }
+}
+
+// newCancelCtx returns an initialized cancelCtx.
+func newCancelCtx(parent Context) *cancelCtx {
+	return &cancelCtx{
+		Context: parent,
+		done:    make(chan struct{}),
+	}
+}
+
+// propagateCancel arranges for child to be canceled when parent is.
+func propagateCancel(parent Context, child canceler) {
+	if parent.Done() == nil {
+		return // parent is never canceled
+	}
+	if p, ok := parentCancelCtx(parent); ok {
+		p.mu.Lock()
+		if p.err != nil {
+			// parent has already been canceled
+			child.cancel(false, p.err)
+		} else {
+			if p.children == nil {
+				p.children = make(map[canceler]bool)
+			}
+			p.children[child] = true
+		}
+		p.mu.Unlock()
+	} else {
+		go func() {
+			select {
+			case <-parent.Done():
+				child.cancel(false, parent.Err())
+			case <-child.Done():
+			}
+		}()
+	}
+}
+
+// parentCancelCtx follows a chain of parent references until it finds a
+// *cancelCtx. This function understands how each of the concrete types in this
+// package represents its parent.
+func parentCancelCtx(parent Context) (*cancelCtx, bool) {
+	for {
+		switch c := parent.(type) {
+		case *cancelCtx:
+			return c, true
+		case *timerCtx:
+			return c.cancelCtx, true
+		case *valueCtx:
+			parent = c.Context
+		default:
+			return nil, false
+		}
+	}
+}
+
+// removeChild removes a context from its parent.
+func removeChild(parent Context, child canceler) {
+	p, ok := parentCancelCtx(parent)
+	if !ok {
+		return
+	}
+	p.mu.Lock()
+	if p.children != nil {
+		delete(p.children, child)
+	}
+	p.mu.Unlock()
+}
+
+// A canceler is a context type that can be canceled directly. The
+// implementations are *cancelCtx and *timerCtx.
+type canceler interface {
+	cancel(removeFromParent bool, err error)
+	Done() <-chan struct{}
+}
+
+// A cancelCtx can be canceled. When canceled, it also cancels any children
+// that implement canceler.
+type cancelCtx struct {
+	Context
+
+	done chan struct{} // closed by the first cancel call.
+
+	mu       sync.Mutex
+	children map[canceler]bool // set to nil by the first cancel call
+	err      error             // set to non-nil by the first cancel call
+}
+
+func (c *cancelCtx) Done() <-chan struct{} {
+	return c.done
+}
+
+func (c *cancelCtx) Err() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	return c.err
+}
+
+func (c *cancelCtx) String() string {
+	return fmt.Sprintf("%v.WithCancel", c.Context)
+}
+
+// cancel closes c.done, cancels each of c's children, and, if
+// removeFromParent is true, removes c from its parent's children.
+func (c *cancelCtx) cancel(removeFromParent bool, err error) {
+	if err == nil {
+		panic("context: internal error: missing cancel error")
+	}
+	c.mu.Lock()
+	if c.err != nil {
+		c.mu.Unlock()
+		return // already canceled
+	}
+	c.err = err
+	close(c.done)
+	for child := range c.children {
+		// NOTE: acquiring the child's lock while holding parent's lock.
+		child.cancel(false, err)
+	}
+	c.children = nil
+	c.mu.Unlock()
+
+	if removeFromParent {
+		removeChild(c.Context, c)
+	}
+}
+
+// WithDeadline returns a copy of the parent context with the deadline adjusted
+// to be no later than d. If the parent's deadline is already earlier than d,
+// WithDeadline(parent, d) is semantically equivalent to parent. The returned
+// context's Done channel is closed when the deadline expires, when the returned
+// cancel function is called, or when the parent context's Done channel is
+// closed, whichever happens first.
+//
+// Canceling this context releases resources associated with it, so code should
+// call cancel as soon as the operations running in this Context complete.
+func WithDeadline(parent Context, deadline time.Time) (Context, CancelFunc) {
+	if cur, ok := parent.Deadline(); ok && cur.Before(deadline) {
+		// The current deadline is already sooner than the new one.
+		return WithCancel(parent)
+	}
+	c := &timerCtx{
+		cancelCtx: newCancelCtx(parent),
+		deadline:  deadline,
+	}
+	propagateCancel(parent, c)
+	d := deadline.Sub(time.Now())
+	if d <= 0 {
+		c.cancel(true, DeadlineExceeded) // deadline has already passed
+		return c, func() { c.cancel(true, Canceled) }
+	}
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if c.err == nil {
+		c.timer = time.AfterFunc(d, func() {
+			c.cancel(true, DeadlineExceeded)
+		})
+	}
+	return c, func() { c.cancel(true, Canceled) }
+}
+
+// A timerCtx carries a timer and a deadline. It embeds a cancelCtx to
+// implement Done and Err. It implements cancel by stopping its timer then
+// delegating to cancelCtx.cancel.
+type timerCtx struct {
+	*cancelCtx
+	timer *time.Timer // Under cancelCtx.mu.
+
+	deadline time.Time
+}
+
+func (c *timerCtx) Deadline() (deadline time.Time, ok bool) {
+	return c.deadline, true
+}
+
+func (c *timerCtx) String() string {
+	return fmt.Sprintf("%v.WithDeadline(%s [%s])", c.cancelCtx.Context, c.deadline, c.deadline.Sub(time.Now()))
+}
+
+func (c *timerCtx) cancel(removeFromParent bool, err error) {
+	c.cancelCtx.cancel(false, err)
+	if removeFromParent {
+		// Remove this timerCtx from its parent cancelCtx's children.
+		removeChild(c.cancelCtx.Context, c)
+	}
+	c.mu.Lock()
+	if c.timer != nil {
+		c.timer.Stop()
+		c.timer = nil
+	}
+	c.mu.Unlock()
+}
+
+// WithTimeout returns WithDeadline(parent, time.Now().Add(timeout)).
+//
+// Canceling this context releases resources associated with it, so code should
+// call cancel as soon as the operations running in this Context complete:
+//
+// 	func slowOperationWithTimeout(ctx context.Context) (Result, error) {
+// 		ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)
+// 		defer cancel()  // releases resources if slowOperation completes before timeout elapses
+// 		return slowOperation(ctx)
+// 	}
+func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) {
+	return WithDeadline(parent, time.Now().Add(timeout))
+}
+
+// WithValue returns a copy of parent in which the value associated with key is
+// val.
+//
+// Use context Values only for request-scoped data that transits processes and
+// APIs, not for passing optional parameters to functions.
+func WithValue(parent Context, key interface{}, val interface{}) Context {
+	return &valueCtx{parent, key, val}
+}
+
+// A valueCtx carries a key-value pair. It implements Value for that key and
+// delegates all other calls to the embedded Context.
+type valueCtx struct {
+	Context
+	key, val interface{}
+}
+
+func (c *valueCtx) String() string {
+	return fmt.Sprintf("%v.WithValue(%#v, %#v)", c.Context, c.key, c.val)
+}
+
+func (c *valueCtx) Value(key interface{}) interface{} {
+	if c.key == key {
+		return c.val
+	}
+	return c.Context.Value(key)
+}

vendor/vendor.json

@@ -70,6 +70,12 @@
 			"revision": "09cded8978dc9e80714c4d85b0322337b0a1e5e0",
 			"revisionTime": "2016-03-02T07:53:16Z"
 		},
+		{
+			"checksumSHA1": "Ef3+gi97QEvLS9VonbjOF/cZnDQ=",
+			"path": "github.com/mattn/go-sqlite3",
+			"revision": "b2e464529e88db676302aa63a4ce36711633950e",
+			"revisionTime": "2017-03-24T00:12:00Z"
+		},
 		{
 			"checksumSHA1": "PphQA6j/DEDbg3WIsdBDYALOOYs=",
 			"path": "github.com/robfig/cron",
@@ -88,6 +94,12 @@
 			"revision": "453249f01cfeb54c3d549ddb75ff152ca243f9d8",
 			"revisionTime": "2017-02-08T20:51:15Z"
 		},
+		{
+			"checksumSHA1": "Y+HGqEkYM15ir+J93MEaHdyFy0c=",
+			"path": "golang.org/x/net/context",
+			"revision": "ffcf1bedda3b04ebb15a168a59800a73d6dc0f4d",
+			"revisionTime": "2017-03-29T01:43:45Z"
+		},
 		{
 			"checksumSHA1": "v5M2URDb0vJwelofRjiIsml0Jts=",
 			"path": "gopkg.in/ini.v1",
@@ -107,5 +119,5 @@
 			"revisionTime": "2017-02-08T14:18:51Z"
 		}
 	],
-	"rootPath": "cron-scheduler"
+	"rootPath": "github.com/ouqiang/cron-scheduler"
 }