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【更新】修复代码生成oracle的bug。新增支持各类型数据库代码生成

pull/22/head
xuyuxiang 2021-04-19 19:31:36 +08:00
parent 79dce085b4
commit bbcbd32a05
1 changed files with 205 additions and 31 deletions
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178
snowy-base/snowy-gen/src/main/java/vip/xiaonuo/generate/modular/mapper/mapping/CodeGenerateMapper.xml
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@ -16,19 +16,66 @@
<result column="column_key" property="columnKey" /> <result column="column_key" property="columnKey" />
</resultMap> </resultMap>
<!-- 查询指定库中所有表 --> <!-- 查询指定库中所有表 mysql -->
<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "mysql"> <select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "mysql">
select table_name,create_time,update_time,table_comment select table_name,create_time,update_time,table_comment
from information_schema.tables from information_schema.tables
where where
table_schema = '${dbName}' table_schema = '${dbName}'
</select> </select>
<!-- 查询指定库中所有表 oracle -->
<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "oracle"> <select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "oracle">
select table_name, comments as table_comment select table_name, comments as table_comment
from user_tab_comments from user_tab_comments
</select> </select>
<!-- 查询指定表中所有字段 --> <!-- 查询指定库中所有表 mssql -->
<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "mssql">
SELECT DISTINCT
d.name as table_name,
f.value as table_comment
FROM
syscolumns a
LEFT JOIN systypes b ON a.xusertype= b.xusertype
INNER JOIN sysobjects d ON a.id= d.id
AND d.xtype= 'U'
AND d.name != 'dtproperties'
LEFT JOIN syscomments e ON a.cdefault= e.id
LEFT JOIN sys.extended_properties g ON a.id= G.major_id
AND a.colid= g.minor_id
LEFT JOIN sys.extended_properties f ON d.id= f.major_id
AND f.minor_id= 0
</select>
<!-- 查询指定库中所有表 pgsql -->
<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "pgsql">
SELECT
relname AS TABLE_NAME,
col_description ( C.oid, 0 ) AS TABLE_COMMENT
FROM
pg_class C
WHERE
relkind = 'r'
AND relname NOT LIKE'pg_%'
AND relname NOT LIKE'sql_%'
ORDER BY
relname
</select>
<!-- 查询指定库中所有表 达梦数据库 -->
<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "dm">
select table_name, comments as table_comment
from user_tab_comments
</select>
<!-- 查询指定库中所有表 人大金仓数据库 -->
<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "kingbasees">
select table_name, comments as table_comment
from user_tab_comments
</select>
<!-- 查询指定表中所有字段 mysql -->
<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "mysql"> <select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "mysql">
select select
column_name,data_type,column_comment,column_key column_name,data_type,column_comment,column_key
@ -36,6 +83,8 @@
where where
table_schema = '${dbName}' and table_name = '${tableName}'; table_schema = '${dbName}' and table_name = '${tableName}';
</select> </select>
<!-- 查询指定表中所有字段 oracle -->
<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "oracle"> <select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "oracle">
select select
a.column_name as column_name, a.column_name as column_name,
@ -64,4 +113,129 @@
order by a.column_id order by a.column_id
</select> </select>
<!-- 查询指定表中所有字段 mssql -->
<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "mssql">
SELECT
C.name AS column_name,
T.name AS data_type,
isnull( ETP.value, '' ) AS column_comment,
CASE
WHEN EXISTS (
SELECT
1
FROM
sysobjects
WHERE
xtype = 'PK'
AND parent_obj = c.id
AND name IN ( SELECT name FROM sysindexes WHERE indid IN ( SELECT indid FROM sysindexkeys WHERE id = c.id AND colid = c.colid ) )
) THEN
'PRI' ELSE ''
END AS column_key
FROM
syscolumns C
INNER JOIN systypes T ON C.xusertype = T.xusertype
LEFT JOIN sys.extended_properties ETP ON ETP.major_id = c.id
AND ETP.minor_id = C.colid
AND ETP.name = 'MS_Description'
LEFT JOIN syscomments CM ON C.cdefault= CM.id
WHERE
C.id = object_id( '${tableName}' )
</select>
<!-- 查询指定表中所有字段 pgsql -->
<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "pgsql">
SELECT
t1.*,
COALESCE(t2.pk_name, '') AS column_key
FROM
(
SELECT A
.attname AS COLUMN_NAME,
pg_type.typname AS data_type,
col_description ( A.attrelid, A.attnum ) AS column_comment
FROM
pg_class AS C,
pg_attribute
AS A INNER JOIN pg_type ON pg_type.oid = A.atttypid
WHERE
C.relname = '${tableName}'
AND A.attrelid = C.oid
AND A.attnum > 0
) t1
LEFT JOIN (
SELECT
pg_attribute.attname AS COLUMN_NAME,
CASE WHEN pg_constraint.conname ISNULL THEN '' ELSE 'PRI' END AS pk_name
FROM
pg_constraint
INNER JOIN pg_class ON pg_constraint.conrelid = pg_class.oid
INNER JOIN pg_attribute ON pg_attribute.attrelid = pg_class.oid
AND pg_attribute.attnum = pg_constraint.conkey [ 1 ]
INNER JOIN pg_type ON pg_type.oid = pg_attribute.atttypid
WHERE
pg_class.relname = '${tableName}'
AND pg_constraint.contype = 'p'
) t2 ON t1.COLUMN_NAME = t2.COLUMN_NAME
</select>
<!-- 查询指定表中所有字段 达梦数据库 -->
<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "dm">
select
a.column_name as column_name,
a.data_type as data_type,
b.comments as column_comment,
case
when c.position>0 then 'PRI'
else ''
end column_key
from
(select * from user_tab_columns where table_name='${tableName}') a
left join
(select * from user_col_comments where table_name='${tableName}') b
on a.column_name=b.column_name
left join
(
select table_name,column_name,position from user_cons_columns
where
table_name='${tableName}'
and constraint_name=(select constraint_name
from
user_constraints where table_name='${tableName}' and constraint_type='P')
and owner='${dbName}'
) c
on a.column_name=c.column_name
order by a.column_id
</select>
<!-- 查询指定表中所有字段 人大金仓数据库 -->
<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "dm">
select
a.column_name as column_name,
a.data_type as data_type,
b.comments as column_comment,
case
when c.position>0 then 'PRI'
else ''
end column_key
from
(select * from user_tab_columns where table_name='${tableName}') a
left join
(select * from user_col_comments where table_name='${tableName}') b
on a.column_name=b.column_name
left join
(
select table_name,column_name,position from user_cons_columns
where
table_name='${tableName}'
and constraint_name=(select constraint_name
from
user_constraints where table_name='${tableName}' and constraint_type='P')
and owner='${dbName}'
) c
on a.column_name=c.column_name
order by a.column_id
</select>
</mapper> </mapper>