数据库转换成pg需要修改对应的实体类，sql语句

mh-admin/pom.xml

@@ -50,7 +50,7 @@
 
         <dependency>
             <groupId>com.baomidou</groupId>
-            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
         </dependency>
 
         <!-- 核心模块-->

mh-common/pom.xml

@@ -124,6 +124,13 @@
             <version>3.5.9</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-core</artifactId>
+            <version>3.5.9</version>
+            <scope>compile</scope>
+        </dependency>
+
 
     </dependencies>
 

mh-common/src/main/java/com/mh/common/core/domain/entity/SysUser.java

@@ -5,6 +5,7 @@ import java.util.List;
 
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
 import jakarta.validation.constraints.*;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
@@ -24,7 +25,7 @@ public class SysUser extends BaseEntity
 {
     private static final long serialVersionUID = 1L;
 
-    @TableId(value = "id", type = IdType.AUTO)
+    @TableId(value = "user_id", type = IdType.AUTO)
     /** 用户ID */
     @Excel(name = "用户序号", type = Type.EXPORT, cellType = ColumnType.NUMERIC, prompt = "用户编号")
     private Long userId;

mh-system/src/main/java/com/mh/system/domain/SysConfig.java

@@ -1,5 +1,7 @@
 package com.mh.system.domain;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
 import org.apache.commons.lang3.builder.ToStringBuilder;
@@ -17,6 +19,7 @@ public class SysConfig extends BaseEntity
 {
     private static final long serialVersionUID = 1L;
 
+    @TableId(value = "config_id", type = IdType.AUTO)
     /** 参数主键 */
     @Excel(name = "参数主键", cellType = ColumnType.NUMERIC)
     private Long configId;

mh-system/src/main/java/com/mh/system/domain/SysLogininfor.java

@@ -1,6 +1,9 @@
 package com.mh.system.domain;
 
 import java.util.Date;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.mh.common.annotation.Excel;
 import com.mh.common.annotation.Excel.ColumnType;
@@ -15,6 +18,7 @@ public class SysLogininfor extends BaseEntity
 {
     private static final long serialVersionUID = 1L;
 
+    @TableId(type = IdType.AUTO)
     /** ID */
     @Excel(name = "序号", cellType = ColumnType.NUMERIC)
     private Long infoId;

mh-system/src/main/java/com/mh/system/domain/SysNotice.java

@@ -1,5 +1,7 @@
 package com.mh.system.domain;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
 import org.apache.commons.lang3.builder.ToStringBuilder;
@@ -16,6 +18,7 @@ public class SysNotice extends BaseEntity
 {
     private static final long serialVersionUID = 1L;
 
+    @TableId(value = "notice_id", type = IdType.AUTO)
     /** 公告ID */
     private Long noticeId;
 

mh-system/src/main/java/com/mh/system/domain/SysOperLog.java

@@ -1,6 +1,9 @@
 package com.mh.system.domain;
 
 import java.util.Date;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.mh.common.annotation.Excel;
 import com.mh.common.annotation.Excel.ColumnType;
@@ -15,6 +18,7 @@ public class SysOperLog extends BaseEntity
 {
     private static final long serialVersionUID = 1L;
 
+    @TableId(value = "oper_id", type = IdType.AUTO)
     /** 日志主键 */
     @Excel(name = "操作序号", cellType = ColumnType.NUMERIC)
     private Long operId;

mh-system/src/main/java/com/mh/system/domain/SysPost.java

@@ -1,5 +1,7 @@
 package com.mh.system.domain;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;
@@ -18,6 +20,7 @@ public class SysPost extends BaseEntity
 {
     private static final long serialVersionUID = 1L;
 
+    @TableId(value = "post_id", type = IdType.AUTO)
     /** 岗位序号 */
     @Excel(name = "岗位序号", cellType = ColumnType.NUMERIC)
     private Long postId;

mh-system/src/main/java/com/mh/system/mapper/SysUserMapper.java

@@ -1,6 +1,8 @@
 package com.mh.system.mapper;
 
 import java.util.List;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Param;
 import com.mh.common.core.domain.entity.SysUser;
 
@@ -9,7 +11,7 @@ import com.mh.common.core.domain.entity.SysUser;
  * 
  * @author mh
  */
-public interface SysUserMapper
+public interface SysUserMapper extends BaseMapper<SysUser>
 {
     /**
      * 根据条件分页查询用户列表

mh-system/src/main/resources/mapper/system/SysDeptMapper.xml

@@ -75,11 +75,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	</select>
 	
 	<select id="selectChildrenDeptById" parameterType="Long" resultMap="SysDeptResult">
-		select * from sys_dept where find_in_set(#{deptId}, ancestors)
+		select * from sys_dept where #{deptId}::bigint = ANY(string_to_array(t.ancestors, ',')::int[])))
 	</select>
 	
 	<select id="selectNormalChildrenDeptById" parameterType="Long" resultType="int">
-		select count(*) from sys_dept where status = 0 and del_flag = '0' and find_in_set(#{deptId}, ancestors)
+		select count(*) from sys_dept where status = 0 and del_flag = '0' and #{deptId}::bigint = ANY(string_to_array(t.ancestors, ',')::int[])))
 	</select>
 	
 	<select id="checkDeptNameUnique" resultMap="SysDeptResult">

mh-system/src/main/resources/mapper/system/SysUserMapper.xml

@@ -79,7 +79,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 			AND date_format(u.create_time,'%Y%m%d') <= date_format(#{params.endTime},'%Y%m%d')
 		</if>
 		<if test="deptId != null and deptId != 0">
-			AND (u.dept_id = #{deptId} OR u.dept_id IN ( SELECT t.dept_id FROM sys_dept t WHERE find_in_set(#{deptId}, ancestors) ))
+			AND (u.dept_id = #{deptId} OR u.dept_id IN ( SELECT t.dept_id
+			FROM sys_dept t
+			WHERE #{deptId}::bigint = ANY(string_to_array(t.ancestors, ',')::int[])))
 		</if>
 		<!-- 数据范围过滤 -->
 		${params.dataScope}

pom.xml

@@ -90,7 +90,6 @@
                 <version>${sqlserver.version}</version>
             </dependency>
 
-            <!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
             <dependency>
                 <groupId>org.postgresql</groupId>
                 <artifactId>postgresql</artifactId>
@@ -99,7 +98,7 @@
 
             <dependency>
                 <groupId>com.baomidou</groupId>
-                <artifactId>mybatis-plus-boot-starter</artifactId>
+                <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
                 <version>${mybatis.version}</version>
             </dependency>
 

sql/添加自增id.sql

@@ -0,0 +1,98 @@
+CREATE SEQUENCE notice_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_notice ALTER COLUMN notice_id
+    SET DEFAULT nextval('notice_id_seq');
+
+CREATE SEQUENCE config_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_config ALTER COLUMN config_id
+SET DEFAULT nextval('config_id_seq');
+
+CREATE SEQUENCE dept_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_dept ALTER COLUMN dept_id
+SET DEFAULT nextval('dept_id_seq');
+
+CREATE SEQUENCE dict_code_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_dict_data ALTER COLUMN dict_code
+SET DEFAULT nextval('dict_code_seq');
+
+CREATE SEQUENCE dict_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_dict_type ALTER COLUMN dict_id
+SET DEFAULT nextval('dict_id_seq');
+
+CREATE SEQUENCE info_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_logininfor ALTER COLUMN info_id
+SET DEFAULT nextval('info_id_seq');
+
+CREATE SEQUENCE menu_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_menu ALTER COLUMN menu_id
+SET DEFAULT nextval('menu_id_seq');
+
+CREATE SEQUENCE oper_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_oper_log ALTER COLUMN oper_id
+SET DEFAULT nextval('oper_id_seq');
+
+CREATE SEQUENCE post_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_post ALTER COLUMN post_id
+SET DEFAULT nextval('post_id_seq');
+
+CREATE SEQUENCE role_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_role ALTER COLUMN role_id
+SET DEFAULT nextval('role_id_seq');
+
+CREATE SEQUENCE user_id_seq
+    START WITH 10000
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER TABLE sys_user ALTER COLUMN user_id
+SET DEFAULT nextval('user_id_seq');