42 lines
1.5 KiB
SQL
42 lines
1.5 KiB
SQL
-- AIHR 案例原始音频字段迁移（MySQL 8.x）
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-- 仅补齐旧库缺失的媒体留痕字段，不写入业务数据；可重复执行。
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SET @aihr_case_table_exists := (
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SELECT COUNT(*)
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FROM information_schema.TABLES
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'aihr_case_record'
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);
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SET @aihr_case_media_oss_exists := (
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SELECT COUNT(*)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'aihr_case_record'
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AND COLUMN_NAME = 'media_oss_id'
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);
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SET @aihr_case_media_oss_ddl := IF(
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@aihr_case_table_exists = 1 AND @aihr_case_media_oss_exists = 0,
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'ALTER TABLE aihr_case_record ADD COLUMN `media_oss_id` bigint DEFAULT NULL COMMENT ''原始音频OSS文件ID'' AFTER `summary`',
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'SELECT 1'
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);
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PREPARE aihr_case_media_oss_stmt FROM @aihr_case_media_oss_ddl;
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EXECUTE aihr_case_media_oss_stmt;
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DEALLOCATE PREPARE aihr_case_media_oss_stmt;
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SET @aihr_case_media_url_exists := (
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SELECT COUNT(*)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'aihr_case_record'
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AND COLUMN_NAME = 'media_url'
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);
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SET @aihr_case_media_url_ddl := IF(
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@aihr_case_table_exists = 1 AND @aihr_case_media_url_exists = 0,
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'ALTER TABLE aihr_case_record ADD COLUMN `media_url` varchar(500) DEFAULT NULL COMMENT ''原始音频访问地址'' AFTER `media_oss_id`',
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'SELECT 1'
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);
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PREPARE aihr_case_media_url_stmt FROM @aihr_case_media_url_ddl;
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EXECUTE aihr_case_media_url_stmt;
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DEALLOCATE PREPARE aihr_case_media_url_stmt;
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