feat: 人资+机构同步

2026-10-08 19:45:38 +08:00
parent 20bac2e078
commit 1650383670
12 changed files with 670 additions and 311 deletions
@@ -0,0 +1,138 @@
+-- 目标：浙江师范大学 -> 下级单位，不再显示额外的“组织机构”层。
+-- 当前 v4 接口固定以 ID=0 构建树，因此将学校 ID=1 的信息合并到 ID=0。
+-- 只修改 sys_unit；不修改人员、角色和业务数据。执行期间不要并发写入相关数据。
+-- 检查其他表的机构 ID、机构 ID 数组及显式外键；存在对 ID=1 的引用时停止。
+-- 备份表固定命名，不覆盖已有备份。本文件独立执行，不要嵌入已有事务。
+
+DELIMITER $$
+
+DROP PROCEDURE IF EXISTS zhgh_zjnu.merge_zjnu_school_root$$
+CREATE PROCEDURE zhgh_zjnu.merge_zjnu_school_root()
+BEGIN
+    DECLARE finished BOOLEAN DEFAULT FALSE;
+    DECLARE reference_table VARCHAR(64);
+    DECLARE reference_column VARCHAR(64);
+    DECLARE is_array BOOLEAN;
+    DECLARE error_message VARCHAR(128);
+    DECLARE root_has_children BOOLEAN;
+    DECLARE references_cursor CURSOR FOR
+        SELECT c.TABLE_NAME, c.COLUMN_NAME,
+               LOWER(c.COLUMN_NAME) LIKE '%unitids'
+        FROM information_schema.COLUMNS c
+        JOIN information_schema.TABLES t
+          ON t.TABLE_SCHEMA = c.TABLE_SCHEMA AND t.TABLE_NAME = c.TABLE_NAME
+        WHERE c.TABLE_SCHEMA = 'zhgh_zjnu' AND t.TABLE_TYPE = 'BASE TABLE'
+          AND c.TABLE_NAME <> 'sys_unit' AND LEFT(c.TABLE_NAME, 4) <> 'bak_'
+          AND (LOWER(c.COLUMN_NAME) LIKE '%unitid'
+               OR LOWER(c.COLUMN_NAME) LIKE '%unitids'
+               OR LOWER(c.COLUMN_NAME) = 'undertakeid'
+               OR EXISTS (
+                   SELECT 1 FROM information_schema.KEY_COLUMN_USAGE k
+                   WHERE k.TABLE_SCHEMA = c.TABLE_SCHEMA AND k.TABLE_NAME = c.TABLE_NAME
+                     AND k.COLUMN_NAME = c.COLUMN_NAME
+                     AND k.REFERENCED_TABLE_SCHEMA = 'zhgh_zjnu'
+                     AND k.REFERENCED_TABLE_NAME = 'sys_unit'
+                     AND k.REFERENCED_COLUMN_NAME = 'id'));
+    DECLARE CONTINUE HANDLER FOR NOT FOUND SET finished = TRUE;
+    DECLARE EXIT HANDLER FOR SQLEXCEPTION
+    BEGIN
+        ROLLBACK;
+        RESIGNAL;
+    END;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = 'zhgh_zjnu' AND TABLE_NAME = 'sys_unit' AND ENGINE = 'InnoDB') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'sys_unit 必须使用 InnoDB';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit
+        WHERE id = '1' AND name = '浙江师范大学' AND parentId = '0')
+       OR NOT EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit
+        WHERE id = '0' AND name = '组织机构') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '当前根节点与指定数据不一致，停止合并';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = 'zhgh_zjnu' AND TABLE_NAME = 'bak_sys_unit_before_school_root_merge') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '学校根节点合并备份已存在，不覆盖原备份';
+    END IF;
+
+    OPEN references_cursor;
+    reference_loop: LOOP
+        FETCH references_cursor INTO reference_table, reference_column, is_array;
+        IF finished THEN
+            LEAVE reference_loop;
+        END IF;
+        SET @school_root_reference = 0;
+        SET @school_root_check_sql = CONCAT(
+            'SELECT EXISTS (SELECT 1 FROM `zhgh_zjnu`.`', REPLACE(reference_table, '`', '``'),
+            '` WHERE ',
+            IF(is_array,
+                CONCAT('JSON_CONTAINS(`', REPLACE(reference_column, '`', '``'),
+                       '`, JSON_QUOTE(''1'')) OR JSON_CONTAINS(`',
+                       REPLACE(reference_column, '`', '``'), '`, ''1'')'),
+                CONCAT('CAST(`', REPLACE(reference_column, '`', '``'), '` AS CHAR) = ''1''')),
+            ') INTO @school_root_reference');
+        PREPARE school_root_check_stmt FROM @school_root_check_sql;
+        EXECUTE school_root_check_stmt;
+        DEALLOCATE PREPARE school_root_check_stmt;
+        IF @school_root_reference = 1 THEN
+            SET error_message = LEFT(CONCAT('学校 ID=1 仍被引用：', reference_table, '.', reference_column), 128);
+            SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = error_message;
+        END IF;
+    END LOOP;
+    CLOSE references_cursor;
+
+    CREATE TABLE zhgh_zjnu.bak_sys_unit_before_school_root_merge LIKE zhgh_zjnu.sys_unit;
+    INSERT INTO zhgh_zjnu.bak_sys_unit_before_school_root_merge SELECT * FROM zhgh_zjnu.sys_unit;
+
+    DROP TEMPORARY TABLE IF EXISTS zhgh_zjnu.tmp_school_root_merge;
+    CREATE TEMPORARY TABLE zhgh_zjnu.tmp_school_root_merge LIKE zhgh_zjnu.sys_unit;
+
+    START TRANSACTION;
+    INSERT INTO zhgh_zjnu.tmp_school_root_merge SELECT * FROM zhgh_zjnu.sys_unit WHERE id = '1';
+
+    -- 先调整下级，再删除已暂存的学校记录；现有 ID=0 本身不删除。
+    UPDATE zhgh_zjnu.sys_unit SET parentId = '0' WHERE parentId = '1';
+    DELETE FROM zhgh_zjnu.sys_unit WHERE id = '1';
+
+    SELECT EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit WHERE parentId = '0' AND id <> '0')
+    INTO root_has_children;
+
+    UPDATE zhgh_zjnu.sys_unit target
+    JOIN zhgh_zjnu.tmp_school_root_merge school ON school.id = '1'
+    SET target.parentId = '0',
+        target.path = school.path,
+        target.name = school.name,
+        target.aliasName = school.aliasName,
+        target.unitcode = school.unitcode,
+        target.note = school.note,
+        target.address = school.address,
+        target.telephone = school.telephone,
+        target.email = school.email,
+        target.website = school.website,
+        target.location = school.location,
+        target.hasChildren = root_has_children,
+        target.logo = school.logo,
+        target.unitLevel = school.unitLevel,
+        target.unionId = school.unionId,
+        target.unionGroupId = school.unionGroupId,
+        target.createdBy = school.createdBy,
+        target.createdAt = school.createdAt,
+        target.updatedBy = school.updatedBy,
+        target.updatedAt = school.updatedAt,
+        target.delFlag = school.delFlag,
+        target.divisionCollegeCode = school.divisionCollegeCode,
+        target.institutionType = school.institutionType,
+        target.unitType = school.unitType,
+        target.unitTypeCode = 0
+    WHERE target.id = '0';
+
+    COMMIT;
+    DROP TEMPORARY TABLE zhgh_zjnu.tmp_school_root_merge;
+END$$
+
+CALL zhgh_zjnu.merge_zjnu_school_root()$$
+DROP PROCEDURE zhgh_zjnu.merge_zjnu_school_root$$
+
+DELIMITER ;
@@ -0,0 +1,87 @@
+-- 修复 v3 机构导入后 v4 单位树查询失败的问题，只操作 v4 的 sys_unit。
+-- 目标库：zhgh_zjnu。独立执行本文件，期间不要并发修改机构数据。
+-- 补齐 unitTypeCode；缺少 ID=0 的根节点时新增“组织机构”容器。
+-- 保留现有机构 ID、path、工会关系及人员数据，原顶层机构挂到 ID=0 下。
+-- 备份表不覆盖；存在同名备份时停止，防止覆盖首次修复前的数据。
+
+DELIMITER $$
+
+DROP PROCEDURE IF EXISTS zhgh_zjnu.repair_v4_unit_tree_after_v3_import$$
+CREATE PROCEDURE zhgh_zjnu.repair_v4_unit_tree_after_v3_import()
+BEGIN
+    DECLARE root_has_children BOOLEAN DEFAULT FALSE;
+    DECLARE EXIT HANDLER FOR SQLEXCEPTION
+    BEGIN
+        ROLLBACK;
+        RESIGNAL;
+    END;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = 'zhgh_zjnu' AND TABLE_NAME = 'sys_unit' AND ENGINE = 'InnoDB') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '目标 sys_unit 必须存在且使用 InnoDB';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '机构表为空，无法修复导入的单位树';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = 'zhgh_zjnu' AND TABLE_NAME = 'bak_sys_unit_before_tree_repair') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '单位树修复备份已存在，本次停止，不覆盖原备份';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit WHERE id = 'root') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '机构 ID=root 与接口虚拟根冲突，需明确 ID 映射后再处理';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit WHERE id = '0')
+       AND EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit WHERE unitcode = '0') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '机构编码 0 已被其他机构使用，停止新增根节点';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit child
+        LEFT JOIN zhgh_zjnu.sys_unit parent ON parent.id = child.parentId
+        WHERE child.id <> '0' AND COALESCE(TRIM(child.parentId), '') NOT IN ('', '0')
+          AND (parent.id IS NULL OR child.id = child.parentId)) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '存在缺失的父机构或非根节点自引用，不能自动确定归属';
+    END IF;
+
+    -- 建表放在修复事务之前；完整保留修复前机构数据。
+    CREATE TABLE zhgh_zjnu.bak_sys_unit_before_tree_repair LIKE zhgh_zjnu.sys_unit;
+    INSERT INTO zhgh_zjnu.bak_sys_unit_before_tree_repair SELECT * FROM zhgh_zjnu.sys_unit;
+
+    START TRANSACTION;
+
+    -- v3 没有此字段，一级及以上容器取 0，二级及下级部门取 1。
+    UPDATE zhgh_zjnu.sys_unit
+    SET unitTypeCode = CASE WHEN unitLevel >= 2 THEN 1 ELSE 0 END
+    WHERE unitTypeCode IS NULL;
+
+    IF NOT EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit WHERE id = '0') THEN
+        INSERT INTO zhgh_zjnu.sys_unit
+            (id, parentId, path, name, unitcode, location, hasChildren,
+             unitLevel, unitTypeCode, delFlag, createdAt, updatedAt)
+        VALUES
+            ('0', '0', NULL, '组织机构', '0', 0, 0, 0, 0, 0,
+             CAST(UNIX_TIMESTAMP(CURRENT_TIMESTAMP(3)) * 1000 AS UNSIGNED),
+             CAST(UNIX_TIMESTAMP(CURRENT_TIMESTAMP(3)) * 1000 AS UNSIGNED));
+    END IF;
+
+    UPDATE zhgh_zjnu.sys_unit
+    SET parentId = '0'
+    WHERE id <> '0' AND COALESCE(TRIM(parentId), '') IN ('', '0');
+
+    SELECT EXISTS (SELECT 1 FROM zhgh_zjnu.sys_unit WHERE parentId = '0' AND id <> '0')
+    INTO root_has_children;
+
+    UPDATE zhgh_zjnu.sys_unit
+    SET parentId = '0', unitTypeCode = 0, hasChildren = root_has_children
+    WHERE id = '0';
+
+    COMMIT;
+END$$
+
+CALL zhgh_zjnu.repair_v4_unit_tree_after_v3_import()$$
+DROP PROCEDURE zhgh_zjnu.repair_v4_unit_tree_after_v3_import$$
+
+DELIMITER ;
@@ -0,0 +1,191 @@
+-- 仅替换组织机构、组织工会，不修改人员、角色、工会小组及业务数据。
+-- 按项目配置：同一 MySQL 8 实例，源库 zhgh_zjnu_v3，目标库 zhgh_zjnu。
+-- 保留 v3 的主键和父子关系；v4 独有的机构字段仅在原 ID 相同时保留。
+-- 本脚本需独立执行，期间不得有其他连接写入相关数据，不得嵌入已有事务。
+-- 若现有人员或关联数据无法继续引用导入的 ID，直接报错，不自动清除关联。
+-- 备份表使用固定名称且不覆盖；已存在时拒绝执行，避免丢失首次备份。
+
+DELIMITER $$
+
+DROP PROCEDURE IF EXISTS zhgh_zjnu.replace_v4_unit_union_from_v3$$
+CREATE PROCEDURE zhgh_zjnu.replace_v4_unit_union_from_v3()
+BEGIN
+    DECLARE backup_created BOOLEAN DEFAULT FALSE;
+    DECLARE EXIT HANDLER FOR SQLEXCEPTION
+    BEGIN
+        ROLLBACK;
+        RESIGNAL;
+    END;
+    DECLARE EXIT HANDLER FOR SQLWARNING
+    BEGIN
+        ROLLBACK;
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '字段转换产生警告，替换已回滚；请核对源字段长度和类型';
+    END;
+
+    IF (SELECT COUNT(*) FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = 'zhgh_zjnu' AND TABLE_NAME IN ('sys_unit', 'sys_union')
+          AND ENGINE = 'InnoDB') <> 2 THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '目标机构、工会表必须存在且使用 InnoDB';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = 'zhgh_zjnu'
+          AND TABLE_NAME IN ('bak_sys_unit_before_v3_replace', 'bak_sys_union_before_v3_replace')) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '替换备份表已存在，本次停止，不覆盖原备份';
+    END IF;
+
+    DROP TEMPORARY TABLE IF EXISTS tmp_v3_replace_unit;
+    DROP TEMPORARY TABLE IF EXISTS tmp_v3_replace_union;
+    CREATE TEMPORARY TABLE tmp_v3_replace_unit LIKE zhgh_zjnu.sys_unit;
+    CREATE TEMPORARY TABLE tmp_v3_replace_union LIKE zhgh_zjnu.sys_union;
+
+    IF NOT EXISTS (SELECT 1 FROM zhgh_zjnu_v3.sys_unit)
+       OR NOT EXISTS (SELECT 1 FROM zhgh_zjnu_v3.sys_union) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'v3 机构或工会为空，停止清除 v4 数据';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu_v3.sys_unit
+        WHERE id IS NULL OR TRIM(id) = '' OR CHAR_LENGTH(id) > 32
+           OR CHAR_LENGTH(parentId) > 32 OR CHAR_LENGTH(unitcode) > 32) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'v3 机构 ID、父 ID 或编码不符合 v4 长度要求';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu_v3.sys_union
+        WHERE id IS NULL OR TRIM(id) = '') THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'v3 存在空工会 ID，停止替换';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu_v3.sys_unit child
+        LEFT JOIN zhgh_zjnu_v3.sys_unit parent ON parent.id = child.parentId
+        WHERE COALESCE(child.parentId, '') NOT IN ('', '0') AND parent.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'v3 机构存在缺失的父机构，停止替换';
+    END IF;
+
+    -- 按目标表结构暂存，唯一键冲突和字段转换异常均发生在清除数据之前。
+    INSERT INTO tmp_v3_replace_union
+        (id, name, unionCode, telephone, campus, createdBy, createdAt, updatedBy, updatedAt, delFlag)
+    SELECT id, unionname, unioncode, telephone, campus, '',
+           CAST(UNIX_TIMESTAMP(CURRENT_TIMESTAMP(3)) * 1000 AS UNSIGNED), '',
+           CAST(UNIX_TIMESTAMP(CURRENT_TIMESTAMP(3)) * 1000 AS UNSIGNED), 0
+    FROM zhgh_zjnu_v3.sys_union;
+
+    INSERT INTO tmp_v3_replace_unit
+        (id, parentId, path, name, aliasName, unitcode, note, address, telephone,
+         email, website, location, hasChildren, logo, unitLevel, unionId, unionGroupId,
+         createdBy, createdAt, updatedBy, updatedAt, delFlag)
+    SELECT id, parentId, path, name, aliasName, unitcode, note, address, telephone,
+           email, website, location, hasChildren, logo, unitlevel, unionid, unionGroupId,
+           createdBy, createdAt, updatedBy, updatedAt, COALESCE(delFlag, 0)
+    FROM zhgh_zjnu_v3.sys_unit;
+
+    UPDATE tmp_v3_replace_unit incoming
+    JOIN zhgh_zjnu.sys_unit existing ON existing.id = incoming.id
+    SET incoming.divisionCollegeCode = existing.divisionCollegeCode,
+        incoming.institutionType = existing.institutionType,
+        incoming.unitType = existing.unitType,
+        incoming.unitTypeCode = existing.unitTypeCode;
+
+    IF EXISTS (SELECT 1 FROM tmp_v3_replace_unit unit
+        LEFT JOIN tmp_v3_replace_union union_info ON union_info.id = unit.unionId
+        WHERE COALESCE(unit.unionId, '') <> '' AND union_info.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'v3 机构引用的工会不存在，停止替换';
+    END IF;
+
+    -- 人员暂时不动：机构 ID、三级机构 ID、组织路径必须仍然有效。
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_user user_info
+        LEFT JOIN tmp_v3_replace_unit unit ON unit.id = user_info.unitId
+        WHERE COALESCE(user_info.unitId, '') <> ''
+          AND (unit.id IS NULL OR (COALESCE(user_info.unitPath, '') <> ''
+               AND NOT (user_info.unitPath <=> unit.path)))) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有人员机构 ID 或路径与 v3 不兼容；人员不动时不能直接替换';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_user user_info
+        LEFT JOIN tmp_v3_replace_unit unit ON unit.id = user_info.threeUnitId
+        WHERE COALESCE(user_info.threeUnitId, '') <> '' AND unit.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有人员的三级机构不在 v3 中，停止替换';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_user_unit relation_info
+        LEFT JOIN tmp_v3_replace_unit unit ON unit.id = relation_info.unitId
+        WHERE COALESCE(relation_info.unitId, '') <> '' AND unit.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有人员兼职机构不在 v3 中，停止替换';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_role role_info
+        LEFT JOIN tmp_v3_replace_unit unit ON unit.id = role_info.unitid
+        WHERE COALESCE(role_info.unitid, '') <> '' AND unit.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有角色所属机构不在 v3 中，停止替换';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_user_role relation_info
+        LEFT JOIN tmp_v3_replace_unit unit ON unit.id = relation_info.unitId
+        LEFT JOIN tmp_v3_replace_union union_info ON union_info.id = relation_info.unionId
+        WHERE (COALESCE(relation_info.unitId, '') <> '' AND unit.id IS NULL)
+           OR (COALESCE(relation_info.unionId, '') <> '' AND union_info.id IS NULL)) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有用户权限范围引用了 v3 中不存在的机构或工会';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_branch_union_user_permission permission_info
+        LEFT JOIN tmp_v3_replace_union union_info ON union_info.id = permission_info.unionId
+        WHERE COALESCE(permission_info.unionId, '') <> '' AND union_info.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有分工会人员授权引用的工会不在 v3 中';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.special_staff staff
+        LEFT JOIN tmp_v3_replace_union union_info ON BINARY union_info.id = BINARY staff.unionRelationUnionId
+        WHERE COALESCE(staff.unionRelationUnionId, '') <> '' AND union_info.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '特殊人员工会关系引用的工会不在 v3 中';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_union_cadre cadre
+        LEFT JOIN tmp_v3_replace_union union_info ON union_info.id = cadre.unionId
+        WHERE COALESCE(cadre.unionId, '') <> '' AND union_info.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有工会干部引用的工会不在 v3 中';
+    END IF;
+
+    -- 工会小组不在本次替换范围，不能写入缺失或归属不一致的小组 ID。
+    IF EXISTS (SELECT 1 FROM tmp_v3_replace_unit unit
+        LEFT JOIN zhgh_zjnu.sys_union_group group_info ON group_info.id = unit.unionGroupId
+        WHERE COALESCE(unit.unionGroupId, '') <> ''
+          AND (group_info.id IS NULL OR NOT (group_info.unionId <=> unit.unionId))) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'v3 机构的小组关系与 v4 不兼容，需另行明确小组迁移范围';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_union_group group_info
+        LEFT JOIN tmp_v3_replace_union union_info ON union_info.id = group_info.unionId
+        WHERE COALESCE(group_info.unionId, '') <> '' AND union_info.id IS NULL) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有工会小组所属工会不在 v3 中';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM zhgh_zjnu.sys_union_group group_info
+        JOIN JSON_TABLE(COALESCE(group_info.unitIds, JSON_ARRAY()), '$[*]'
+            COLUMNS (unitId VARCHAR(100) PATH '$')) binding
+        LEFT JOIN tmp_v3_replace_unit unit ON BINARY unit.id = BINARY binding.unitId
+        WHERE unit.id IS NULL OR NOT (unit.unionId <=> group_info.unionId)) THEN
+        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = '现有工会小组绑定机构与 v3 不兼容，停止替换';
+    END IF;
+
+    -- DDL 放在事务之前，避免创建备份表导致替换事务被隐式提交。
+    CREATE TABLE zhgh_zjnu.bak_sys_unit_before_v3_replace LIKE zhgh_zjnu.sys_unit;
+    CREATE TABLE zhgh_zjnu.bak_sys_union_before_v3_replace LIKE zhgh_zjnu.sys_union;
+    SET backup_created = TRUE;
+
+    START TRANSACTION;
+    INSERT INTO zhgh_zjnu.bak_sys_unit_before_v3_replace SELECT * FROM zhgh_zjnu.sys_unit;
+    INSERT INTO zhgh_zjnu.bak_sys_union_before_v3_replace SELECT * FROM zhgh_zjnu.sys_union;
+
+    DELETE FROM zhgh_zjnu.sys_unit;
+    DELETE FROM zhgh_zjnu.sys_union;
+    INSERT INTO zhgh_zjnu.sys_union SELECT * FROM tmp_v3_replace_union;
+    INSERT INTO zhgh_zjnu.sys_unit SELECT * FROM tmp_v3_replace_unit;
+    COMMIT;
+
+    DROP TEMPORARY TABLE tmp_v3_replace_unit;
+    DROP TEMPORARY TABLE tmp_v3_replace_union;
+END$$
+
+CALL zhgh_zjnu.replace_v4_unit_union_from_v3()$$
+DROP PROCEDURE zhgh_zjnu.replace_v4_unit_union_from_v3$$
+
+DELIMITER ;