完善招聘信息主键关联与工作经历维护

sql/migration/2026-05-07-add-staff-recruitment-auto-id.sql

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+-- 招聘信息主表增加自增主键ID
+-- 1. recruit_id 从物理主键调整为普通业务编号，允许重复。
+-- 2. 新增 id 作为 ccdi_staff_recruitment 的自增主键。
+
+ALTER TABLE `ccdi_staff_recruitment`
+    CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+
+ALTER TABLE `ccdi_staff_recruitment`
+    DROP PRIMARY KEY,
+    ADD COLUMN `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '主键ID' FIRST,
+    ADD PRIMARY KEY (`id`),
+    ADD KEY `idx_staff_recruitment_recruit_id` (`recruit_id`);

sql/migration/2026-05-07-allow-duplicate-staff-recruitment-id.sql

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+-- 招聘信息允许招聘项目编号重复
+-- 1. 移除 ccdi_staff_recruitment.recruit_id 唯一索引，保留普通查询索引。
+-- 2. ccdi_staff_recruitment_work 增加 recruitment_id，改为关联招聘信息自增主键。
+
+SET @schema_name = DATABASE();
+
+SET @drop_unique_sql = (
+    SELECT IF(
+        COUNT(1) > 0,
+        'ALTER TABLE `ccdi_staff_recruitment` DROP INDEX `uk_staff_recruitment_recruit_id`',
+        'SELECT 1'
+    )
+    FROM information_schema.statistics
+    WHERE table_schema = @schema_name
+      AND table_name = 'ccdi_staff_recruitment'
+      AND index_name = 'uk_staff_recruitment_recruit_id'
+);
+PREPARE stmt FROM @drop_unique_sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @add_recruit_id_index_sql = (
+    SELECT IF(
+        COUNT(1) = 0,
+        'ALTER TABLE `ccdi_staff_recruitment` ADD KEY `idx_staff_recruitment_recruit_id` (`recruit_id`)',
+        'SELECT 1'
+    )
+    FROM information_schema.statistics
+    WHERE table_schema = @schema_name
+      AND table_name = 'ccdi_staff_recruitment'
+      AND index_name = 'idx_staff_recruitment_recruit_id'
+);
+PREPARE stmt FROM @add_recruit_id_index_sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @add_work_recruitment_id_sql = (
+    SELECT IF(
+        COUNT(1) = 0,
+        'ALTER TABLE `ccdi_staff_recruitment_work` ADD COLUMN `recruitment_id` BIGINT NULL COMMENT ''关联招聘信息主键ID'' AFTER `id`',
+        'SELECT 1'
+    )
+    FROM information_schema.columns
+    WHERE table_schema = @schema_name
+      AND table_name = 'ccdi_staff_recruitment_work'
+      AND column_name = 'recruitment_id'
+);
+PREPARE stmt FROM @add_work_recruitment_id_sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+UPDATE `ccdi_staff_recruitment_work` w
+JOIN `ccdi_staff_recruitment` r
+  ON w.`recruit_id` COLLATE utf8mb4_general_ci = r.`recruit_id` COLLATE utf8mb4_general_ci
+SET w.`recruitment_id` = r.`id`
+WHERE w.`recruitment_id` IS NULL;
+
+ALTER TABLE `ccdi_staff_recruitment_work`
+    MODIFY COLUMN `recruitment_id` BIGINT NOT NULL COMMENT '关联招聘信息主键ID';
+
+SET @add_work_recruitment_id_index_sql = (
+    SELECT IF(
+        COUNT(1) = 0,
+        'ALTER TABLE `ccdi_staff_recruitment_work` ADD KEY `idx_recruitment_id` (`recruitment_id`)',
+        'SELECT 1'
+    )
+    FROM information_schema.statistics
+    WHERE table_schema = @schema_name
+      AND table_name = 'ccdi_staff_recruitment_work'
+      AND index_name = 'idx_recruitment_id'
+);
+PREPARE stmt FROM @add_work_recruitment_id_index_sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @add_work_recruitment_sort_index_sql = (
+    SELECT IF(
+        COUNT(1) = 0,
+        'ALTER TABLE `ccdi_staff_recruitment_work` ADD KEY `idx_recruitment_id_sort_order` (`recruitment_id`, `sort_order`)',
+        'SELECT 1'
+    )
+    FROM information_schema.statistics
+    WHERE table_schema = @schema_name
+      AND table_name = 'ccdi_staff_recruitment_work'
+      AND index_name = 'idx_recruitment_id_sort_order'
+);
+PREPARE stmt FROM @add_work_recruitment_sort_index_sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;