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