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41 lines
2.0 KiB
41 lines
2.0 KiB
2 days ago
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-- ----------------------------
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-- convert_relation_entry 补反写回滚所需的两个字段。
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--
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-- 背景：ConvertRelationEntry 实体上声明了 beforeValue / writebackRuleVersion，
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-- 但 DDL 没跟上，MyBatis-Plus 查询会带上这两列，导致
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-- Unknown column 'before_value' in 'field list'
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-- 反写（WriteBackOrchestrator#loadRelationEntries）与转换落库都会直接报错。
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--
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-- 请在 tenant-admin 服务指向的默认数据库执行该脚本；脚本可重复执行。
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-- ----------------------------
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SET NAMES utf8mb4;
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SET FOREIGN_KEY_CHECKS = 0;
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-- ----------------------------
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-- 1. before_value：反写前的源单字段原值。
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-- 只有「覆盖」方式需要——累加/扣减天然可逆，覆盖把原值冲掉了，不记下来撤销时就回不去。
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-- ----------------------------
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SET @ddl = (SELECT IF(COUNT(*) = 0,
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'ALTER TABLE `convert_relation_entry` ADD COLUMN `before_value` decimal(24,8) DEFAULT NULL COMMENT ''反写前的源单字段原值，仅覆盖方式使用，供撤销回滚恢复''',
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'DO 0')
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FROM information_schema.columns
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WHERE table_schema = DATABASE() AND table_name = 'convert_relation_entry' AND column_name = 'before_value');
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- ----------------------------
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-- 2. writeback_rule_version：本次反写实际使用的反写规则版本。
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-- 撤销/弃审时按该版本取快照执行，保证「怎么加的就怎么退」。
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-- ----------------------------
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SET @ddl = (SELECT IF(COUNT(*) = 0,
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'ALTER TABLE `convert_relation_entry` ADD COLUMN `writeback_rule_version` int DEFAULT NULL COMMENT ''本次反写使用的反写规则版本，供撤销回滚按同一版本执行''',
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'DO 0')
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FROM information_schema.columns
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WHERE table_schema = DATABASE() AND table_name = 'convert_relation_entry' AND column_name = 'writeback_rule_version');
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET FOREIGN_KEY_CHECKS = 1;
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