<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="vip.xiaonuo.generate.modular.mapper.CodeGenerateMapper">
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<resultMap id="informationResult" type="vip.xiaonuo.generate.modular.result.InformationResult">
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<result column="table_name" property="tableName" />
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<result column="create_time" property="createTime" />
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<result column="update_time" property="updateTime" />
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<result column="table_comment" property="tableComment" />
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</resultMap>
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<resultMap id="inforMationColumnsResult" type="vip.xiaonuo.generate.modular.result.InforMationColumnsResult">
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<result column="column_name" property="columnName" />
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<result column="data_type" property="dataType" />
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<result column="column_comment" property="columnComment" />
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<result column="column_key" property="columnKey" />
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</resultMap>
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<!-- 查询指定库中所有表 mysql -->
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<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "mysql">
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select table_name,create_time,update_time,table_comment
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from information_schema.tables
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where
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table_schema = '${dbName}'
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</select>
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<!-- 查询指定库中所有表 oracle -->
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<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "oracle">
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select table_name, comments as table_comment
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from user_tab_comments
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</select>
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<!-- 查询指定库中所有表 mssql -->
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<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "mssql">
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SELECT DISTINCT
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d.name as table_name,
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f.value as table_comment
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FROM
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syscolumns a
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LEFT JOIN systypes b ON a.xusertype= b.xusertype
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INNER JOIN sysobjects d ON a.id= d.id
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AND d.xtype= 'U'
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AND d.name != 'dtproperties'
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LEFT JOIN syscomments e ON a.cdefault= e.id
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LEFT JOIN sys.extended_properties g ON a.id= G.major_id
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AND a.colid= g.minor_id
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LEFT JOIN sys.extended_properties f ON d.id= f.major_id
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AND f.minor_id= 0
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</select>
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<!-- 查询指定库中所有表 pgsql -->
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<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "pgsql">
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SELECT
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relname AS TABLE_NAME,
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col_description ( C.oid, 0 ) AS TABLE_COMMENT
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FROM
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pg_class C
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WHERE
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relkind = 'r'
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AND relname NOT LIKE'pg_%'
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AND relname NOT LIKE'sql_%'
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ORDER BY
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relname
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</select>
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<!-- 查询指定库中所有表 达梦数据库 -->
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<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "dm">
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select table_name, comments as table_comment
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from user_tab_comments
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</select>
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<!-- 查询指定库中所有表 人大金仓数据库 -->
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<select id="selectInformationTable" parameterType="String" resultMap="informationResult" databaseId = "kingbasees">
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select table_name, comments as table_comment
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from user_tab_comments
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</select>
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<!-- 查询指定表中所有字段 mysql -->
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<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "mysql">
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select
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column_name,data_type,column_comment,column_key
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from information_schema.columns
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where
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table_schema = '${dbName}' and table_name = '${tableName}';
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</select>
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<!-- 查询指定表中所有字段 oracle -->
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<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "oracle">
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select
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a.column_name as column_name,
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a.data_type as data_type,
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b.comments as column_comment,
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case
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when c.position>0 then 'PRI'
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else ''
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end column_key
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from
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(select * from user_tab_columns where table_name='${tableName}') a
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left join
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(select * from user_col_comments where table_name='${tableName}') b
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on a.column_name=b.column_name
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left join
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(
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select table_name,column_name,position from user_cons_columns
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where
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table_name='${tableName}'
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and constraint_name=(select constraint_name
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from
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user_constraints where table_name='${tableName}' and constraint_type='P')
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and owner='${dbName}'
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) c
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on a.column_name=c.column_name
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order by a.column_id
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</select>
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<!-- 查询指定表中所有字段 mssql -->
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<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "mssql">
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SELECT
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C.name AS column_name,
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T.name AS data_type,
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isnull( ETP.value, '' ) AS column_comment,
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CASE
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WHEN EXISTS (
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SELECT
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1
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FROM
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sysobjects
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WHERE
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xtype = 'PK'
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AND parent_obj = c.id
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AND name IN ( SELECT name FROM sysindexes WHERE indid IN ( SELECT indid FROM sysindexkeys WHERE id = c.id AND colid = c.colid ) )
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) THEN
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'PRI' ELSE ''
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END AS column_key
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FROM
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syscolumns C
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INNER JOIN systypes T ON C.xusertype = T.xusertype
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LEFT JOIN sys.extended_properties ETP ON ETP.major_id = c.id
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AND ETP.minor_id = C.colid
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AND ETP.name = 'MS_Description'
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LEFT JOIN syscomments CM ON C.cdefault= CM.id
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WHERE
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C.id = object_id( '${tableName}' )
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</select>
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<!-- 查询指定表中所有字段 pgsql -->
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<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "pgsql">
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SELECT
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t1.*,
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COALESCE(t2.pk_name, '') AS column_key
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FROM
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(
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SELECT A
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.attname AS COLUMN_NAME,
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pg_type.typname AS data_type,
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col_description ( A.attrelid, A.attnum ) AS column_comment
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FROM
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pg_class AS C,
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pg_attribute
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AS A INNER JOIN pg_type ON pg_type.oid = A.atttypid
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WHERE
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C.relname = '${tableName}'
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AND A.attrelid = C.oid
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AND A.attnum > 0
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) t1
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LEFT JOIN (
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SELECT
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pg_attribute.attname AS COLUMN_NAME,
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CASE WHEN pg_constraint.conname ISNULL THEN '' ELSE 'PRI' END AS pk_name
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FROM
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pg_constraint
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INNER JOIN pg_class ON pg_constraint.conrelid = pg_class.oid
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INNER JOIN pg_attribute ON pg_attribute.attrelid = pg_class.oid
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AND pg_attribute.attnum = pg_constraint.conkey [ 1 ]
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INNER JOIN pg_type ON pg_type.oid = pg_attribute.atttypid
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WHERE
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pg_class.relname = '${tableName}'
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AND pg_constraint.contype = 'p'
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) t2 ON t1.COLUMN_NAME = t2.COLUMN_NAME
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</select>
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<!-- 查询指定表中所有字段 达梦数据库 -->
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<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "dm">
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select
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a.column_name as column_name,
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a.data_type as data_type,
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b.comments as column_comment,
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case
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when c.position>0 then 'PRI'
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else ''
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end column_key
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from
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(select * from user_tab_columns where table_name='${tableName}') a
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left join
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(select * from user_col_comments where table_name='${tableName}') b
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on a.column_name=b.column_name
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left join
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(
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select table_name,column_name,position from user_cons_columns
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where
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table_name='${tableName}'
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and constraint_name=(select constraint_name
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from
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user_constraints where table_name='${tableName}' and constraint_type='P')
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and owner='${dbName}'
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) c
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on a.column_name=c.column_name
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order by a.column_id
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</select>
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<!-- 查询指定表中所有字段 人大金仓数据库 -->
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<select id="selectInformationColumns" parameterType="String" resultMap="inforMationColumnsResult" databaseId = "dm">
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select
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a.column_name as column_name,
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a.data_type as data_type,
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b.comments as column_comment,
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case
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when c.position>0 then 'PRI'
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else ''
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end column_key
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from
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(select * from user_tab_columns where table_name='${tableName}') a
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left join
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(select * from user_col_comments where table_name='${tableName}') b
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on a.column_name=b.column_name
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left join
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(
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select table_name,column_name,position from user_cons_columns
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where
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table_name='${tableName}'
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and constraint_name=(select constraint_name
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from
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user_constraints where table_name='${tableName}' and constraint_type='P')
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and owner='${dbName}'
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) c
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on a.column_name=c.column_name
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order by a.column_id
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</select>
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</mapper>
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