mec-cloud_IntelligentManufacturing_DB/src/main/resources/mapper/TableInfoMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.customer.mapper.TableInfoMapper">
    
    <resultMap id="mysqlTableInfoResult" type="com.customer.pojo.TableInfo">
        <result property="fieldName" column="fieldName"></result>
        <result property="fieldType" column="fieldType"></result>
        <result property="isNull" column="isNull" javaType="boolean"></result>
        <result property="isPrimary" column="isPrimary" javaType="boolean"></result>
        <result property="fieldDescription" column="fieldDescription"></result>
        <result property="fieldLength" column="fieldLength"></result>
        <result property="isAuto" column="isAuto" javaType="boolean"></result>
    </resultMap>

    <update id="useDataBase">
        use ${dataBaseName}
    </update>

    <update id="createMysqlDataBase">

        CREATE database IF NOT EXISTS `${dataBaseName}`;
        CREATE TABLE IF NOT EXISTS `${dataBaseName}`.`${tableName}`
        (
        <foreach collection="filedList" item="filed" separator=",">
            ${filed}
        </foreach>
        );
    </update>

    <select id="mysqlDataBaseExist" resultType="int">
        SELECT count(1) FROM information_schema.SCHEMATA where SCHEMA_NAME= #{dataBaseName};
    </select>

    <select id="mysqlTableExist" resultType="int">
        SELECT count(1) FROM information_schema.TABLES t, information_schema.SCHEMATA n WHERE t.table_name = #{tableName} AND n.SCHEMA_NAME = #{dataBaseName};
    </select>

    <select id="tableInfoList" resultType="com.customer.vo.TableInfoVO">
        select table_name tableName,create_time createTime,table_comment tableComment from information_schema.tables where table_schema=#{databaseName}
    </select>

<!--    <select id="selectDataCount" resultType="int">-->
<!--        SELECT table_rows FROM information_schema.tables-->
<!--        WHERE TABLE_SCHEMA = #{dataBaseName}-->
<!--          and table_name = #{tableName}-->
<!--    </select>-->

    <select id="selectDataCount" resultType="int">
        select count(1) from ${tableName}
    </select>

    <delete id="dropMysqlTable">
        DROP TABLE IF EXISTS ${tableName};
    </delete>

    <update id="updateMysqlTable">
        DROP TABLE IF EXISTS ${dataBaseName}.${tableName};
        CREATE TABLE IF NOT EXISTS `${dataBaseName}`.`${tableName}`
        (
        <foreach collection="filedList" item="filed" separator=",">
            ${filed}
        </foreach>
        );
    </update>

    <select id="mysqlTableFieldInfo" resultMap="mysqlTableInfoResult">
        SELECT
            column_name fieldName,
            IF
                ( is_nullable = 'NO', TRUE, FALSE ) isNull,
            data_type fieldType,
            character_maximum_length fieldLength,
            IF
                ( column_key = 'PRI', TRUE, FALSE ) isPrimary,
            column_comment fieldDescription ,
            if(extra='auto_increment',true,false) isAuto
        FROM
            information_schema.COLUMNS
        WHERE
            table_name = #{tableName}
          AND table_schema = #{dataBaseName};

    </select>

    <select id="sqlServerTableExist" resultType="int">
        select count(1) from sysobjects where id = object_id(#{tableName})
    </select>

    <update id="createSqlServerDataBase">
        IF DB_ID ( <![CDATA[ N'${dataBaseName}' ]]>) IS  NULL
        CREATE DATABASE ${dataBaseName};
    </update>

    <update id="createSqlServerTable">

        use ${dataBaseName};
        create table ${tableName}
        (
        <foreach collection="filedList" item="filed" separator=",">
            ${filed}
        </foreach>
        );
        <foreach collection="descriptionList" item="description" separator=";">
            ${description}
        </foreach>
    </update>

    <select id="existOrNot" resultType="int">
        select count(1) From master.dbo.sysdatabases where name = #{dataBaseName}
    </select>


    <select id="dmTableExist" resultType="int">
        select count(1) from dba_segments where dba_segments.OWNER=#{dataBaseName} and SEGMENT_NAME=#{tableName}
    </select>

    <select id="dmDataBaseExist" resultType="int">
        select COUNT(1) from sysobjects where NAME=#{dataBaseName} and SUBTYPE$ is null
    </select>

    <update id="createDmDataBase">
        CREATE SCHEMA ${databaseName}
    </update>

    <update id="useDmDataBase">
        set schema ${dataBaseName};
    </update>

    <update id="createDmTable">

        create table ${tableName}
        (
            <foreach collection="filedList" item="filed" separator=",">
                ${filed}
            </foreach>
        );
    </update>

    <update id="addTableDescription">
           ${description}
    </update>

    <update id="createOracleUser">
        CREATE USER ${username} IDENTIFIED BY ${password} DEFAULT TABLESPACE users QUOTA unlimited ON users
    </update>

    <update id="assignAuthority">
        GRANT ALL PRIVILEGES TO ${username}
    </update>

    <select id="oracleTableExist" resultType="int">
        select count(1) from user_tables where table_name=upper(#{tableName})
    </select>

    <update id="createOracleTable">
        create table ${tableName}
        (
            <foreach collection="filedList" item="filed" separator=",">
                ${filed}
            </foreach>
        )
    </update>

    <update id="addOracleTableDescription">
        ${description}
    </update>

</mapper>