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Co-authored-by: Cursor <cursoragent@cursor.com>
46 lines
1.4 KiB
SQL
46 lines
1.4 KiB
SQL
-- 存量库：为问题模板补充处理人字段（与 db.sql / IssueTemplate 实体对齐）
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-- 可重复执行；仅在列不存在时 ADD。
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-- 目标表：t_issue_template
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SET @db := DATABASE();
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-- HandlerType
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SET @exists := (
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SELECT COUNT(1)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db
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AND TABLE_NAME = 't_issue_template'
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AND COLUMN_NAME = 'HandlerType'
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);
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SET @sql := IF(
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@exists = 0,
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'ALTER TABLE `t_issue_template` ADD COLUMN `HandlerType` VARCHAR(16) NULL COMMENT ''处理人类型：customer=订单所属客户，user=指定用户'' AFTER `NotifyMethod`',
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'SELECT ''HandlerType already exists'' AS info'
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);
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- HandlerUserId
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SET @exists := (
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SELECT COUNT(1)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db
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AND TABLE_NAME = 't_issue_template'
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AND COLUMN_NAME = 'HandlerUserId'
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);
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SET @sql := IF(
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@exists = 0,
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'ALTER TABLE `t_issue_template` ADD COLUMN `HandlerUserId` INT NULL COMMENT ''指定处理人用户Id（HandlerType=user 时必填）'' AFTER `HandlerType`',
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'SELECT ''HandlerUserId already exists'' AS info'
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);
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 历史数据默认按「指定用户」语义；无处理人时可在页面再编辑
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UPDATE `t_issue_template`
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SET `HandlerType` = 'user'
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WHERE (`HandlerType` IS NULL OR `HandlerType` = '')
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AND `IsDeleted` = 0;
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