實(shí)操M(fèi)ySQL+PostgreSQL批量插入更新insertOrUpdate

CREATE TABLE public.t_user (
    username varchar(100) NOT NULL,
    age int4 NOT NULL DEFAULT 0,
    "password" varchar(100) NULL,
    deleted int4 NULL,
    created_time timestamp NULL
);
CREATE UNIQUE INDEX t_user_union_name_age_password ON public.t_user USING btree (username, password, age);

insert
    into
    public.t_user (username , password,age,created_time)
values ('zs', '123', 18,now()), ('ls', '123456', 19,now()),('ww', '123', 20,now()) 
on conflict (username, age,password) do update set username = excluded.username,age = excluded.age,password = excluded.password,created_time = excluded.created_time

insert
    into
    public.t_user (username , password,age,created_time)
values (unnest(array['zs', 'ls', 'ww']), unnest(array['123', '123', '123456']),unnest(array[18, 19, 20]), unnest(array[now(), now(), now()])) 
on conflict (username, age,password) do update set username = excluded.username,age = excluded.age,password = excluded.password,created_time = excluded.created_time

?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.guor.dao.UserMapper">
 
    !-- 批量插入 -->
    insert id="batchInsert" parameterType="java.util.HashMap">
         include refid="batchInsertSql">/include>
    /insert>
 
    sql id="batchInsertSql">
        INSERT INTO ${map.tableInfo.schemaName}.${map.tableInfo.tableName}
        (
        "table_id",
        "file_name",
        "create_time",
        foreach collection="map.list.get(0)" index="key" item="value"
                 separator=",">
            "${key}"
        /foreach>
        )
        VALUES
        foreach collection="map.list" item="list" separator=",">
            (
            ${map.tableInfo.tableId},
            #{map.tableInfo.fileName},
            now(),
            foreach collection="list" index="key" item="value"
                     separator=",">
                choose>
                    when test="map.varcharList.contains(key)">
                        #{value}
                    /when>
                    when test="map.dateList.contains(key)">
                        TO_TIMESTAMP(#{value},'yyyy-MM-dd hh24:mi:ss')
                    /when>
                    otherwise>
                        ${value}
                    /otherwise>
                /choose>
            /foreach>
            )
        /foreach>
    /sql>
 
    !-- 批量插入更新 -->
    insert id="batchInsertOrUpdate" parameterType="java.util.HashMap">
        include refid="batchInsertSql">/include>
        on conflict (
        file_name, table_id
        if test="map.tableInfo.flag">
            , "id_number"
        /if>
        ) do update
        set
        "table_id" = excluded."table_id",
        "file_name" = excluded."file_name",
        "create_time" = excluded."create_time",
        foreach collection="map.list.get(0)" index="key" separator=",">
            "${key}" = excluded."${key}"
        /foreach>
    /insert>
/mapper>

CREATE TABLE `t_user`  (
  `username` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `password` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `age` int(0) NULL DEFAULT NULL,
  `address` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `create_time` datetime(0) NULL DEFAULT NULL,
  `update_time` datetime(0) NULL DEFAULT NULL,
  `version` int(0) NOT NULL,
  UNIQUE INDEX `user_union_index`(`username`, `password`, `age`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

INSERT INTO t_user
(username,password,age,create_time) 
VALUES('張三' ,'123456',18,NOW())
ON DUPLICATE KEY UPDATE 
username='張三',
password='123456',
create_time=now()

INSERT INTO t_user 
(username,password,age,create_time,update_time,version)
VALUES( 'zs' ,'123',10,now(),now(),1) 
,( 'ls' ,'123456',20,now(),now(),1) 
,( 'ww' ,'123',30,now(),now(),1) 
ON DUPLICATE KEY UPDATE 
username= VALUES(username)
,password=VALUES(password)
,age=VALUES(age)
,update_time=VALUES(update_time)
,version = version + 1

REPLACE INTO t_user 
(username,password,age,create_time,update_time,version) 
VALUES 
( 'zs' ,'123',10,now(),now(),1) 

INSERT IGNORE INTO t_user 
(username,password,age,create_time,update_time,version) 
VALUES 
( 'zs' ,'123',10,now(),now(),1) ,
( '哪吒' ,'123',30,now(),now(),2)