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174 lines
3.3 KiB
174 lines
3.3 KiB
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package |
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// |
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// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved. |
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// |
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// This Source Code Form is subject to the terms of the Mozilla Public |
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// License, v. 2.0. If a copy of the MPL was not distributed with this file, |
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// You can obtain one at http://mozilla.org/MPL/2.0/. |
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package mysql |
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const ( |
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defaultAuthPlugin = "mysql_native_password" |
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defaultMaxAllowedPacket = 4 << 20 // 4 MiB |
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minProtocolVersion = 10 |
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maxPacketSize = 1<<24 - 1 |
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timeFormat = "2006-01-02 15:04:05.999999" |
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) |
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// MySQL constants documentation: |
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// http://dev.mysql.com/doc/internals/en/client-server-protocol.html |
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const ( |
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iOK byte = 0x00 |
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iAuthMoreData byte = 0x01 |
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iLocalInFile byte = 0xfb |
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iEOF byte = 0xfe |
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iERR byte = 0xff |
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) |
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// https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags |
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type clientFlag uint32 |
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const ( |
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clientLongPassword clientFlag = 1 << iota |
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clientFoundRows |
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clientLongFlag |
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clientConnectWithDB |
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clientNoSchema |
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clientCompress |
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clientODBC |
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clientLocalFiles |
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clientIgnoreSpace |
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clientProtocol41 |
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clientInteractive |
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clientSSL |
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clientIgnoreSIGPIPE |
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clientTransactions |
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clientReserved |
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clientSecureConn |
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clientMultiStatements |
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clientMultiResults |
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clientPSMultiResults |
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clientPluginAuth |
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clientConnectAttrs |
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clientPluginAuthLenEncClientData |
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clientCanHandleExpiredPasswords |
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clientSessionTrack |
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clientDeprecateEOF |
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) |
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const ( |
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comQuit byte = iota + 1 |
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comInitDB |
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comQuery |
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comFieldList |
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comCreateDB |
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comDropDB |
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comRefresh |
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comShutdown |
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comStatistics |
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comProcessInfo |
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comConnect |
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comProcessKill |
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comDebug |
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comPing |
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comTime |
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comDelayedInsert |
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comChangeUser |
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comBinlogDump |
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comTableDump |
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comConnectOut |
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comRegisterSlave |
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comStmtPrepare |
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comStmtExecute |
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comStmtSendLongData |
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comStmtClose |
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comStmtReset |
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comSetOption |
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comStmtFetch |
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) |
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// https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType |
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type fieldType byte |
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const ( |
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fieldTypeDecimal fieldType = iota |
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fieldTypeTiny |
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fieldTypeShort |
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fieldTypeLong |
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fieldTypeFloat |
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fieldTypeDouble |
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fieldTypeNULL |
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fieldTypeTimestamp |
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fieldTypeLongLong |
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fieldTypeInt24 |
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fieldTypeDate |
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fieldTypeTime |
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fieldTypeDateTime |
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fieldTypeYear |
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fieldTypeNewDate |
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fieldTypeVarChar |
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fieldTypeBit |
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) |
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const ( |
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fieldTypeJSON fieldType = iota + 0xf5 |
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fieldTypeNewDecimal |
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fieldTypeEnum |
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fieldTypeSet |
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fieldTypeTinyBLOB |
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fieldTypeMediumBLOB |
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fieldTypeLongBLOB |
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fieldTypeBLOB |
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fieldTypeVarString |
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fieldTypeString |
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fieldTypeGeometry |
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) |
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type fieldFlag uint16 |
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const ( |
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flagNotNULL fieldFlag = 1 << iota |
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flagPriKey |
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flagUniqueKey |
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flagMultipleKey |
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flagBLOB |
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flagUnsigned |
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flagZeroFill |
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flagBinary |
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flagEnum |
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flagAutoIncrement |
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flagTimestamp |
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flagSet |
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flagUnknown1 |
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flagUnknown2 |
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flagUnknown3 |
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flagUnknown4 |
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) |
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// http://dev.mysql.com/doc/internals/en/status-flags.html |
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type statusFlag uint16 |
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const ( |
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statusInTrans statusFlag = 1 << iota |
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statusInAutocommit |
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statusReserved // Not in documentation |
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statusMoreResultsExists |
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statusNoGoodIndexUsed |
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statusNoIndexUsed |
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statusCursorExists |
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statusLastRowSent |
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statusDbDropped |
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statusNoBackslashEscapes |
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statusMetadataChanged |
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statusQueryWasSlow |
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statusPsOutParams |
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statusInTransReadonly |
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statusSessionStateChanged |
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) |
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const ( |
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cachingSha2PasswordRequestPublicKey = 2 |
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cachingSha2PasswordFastAuthSuccess = 3 |
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cachingSha2PasswordPerformFullAuthentication = 4 |
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)
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