20 lines
1.2 KiB
SQL
20 lines
1.2 KiB
SQL
SET NAMES utf8mb4;
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SET FOREIGN_KEY_CHECKS = 0;
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CREATE TABLE IF NOT EXISTS `alarm_relation` (
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`id` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT,
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`root_alarm_id` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
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`alarm_id` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
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`relation_type` enum('derived','related') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '衍生关系：derived/related: 父子/兄弟',
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`add_info` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
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`created_at` datetime NULL DEFAULT NULL,
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PRIMARY KEY (`id`) USING BTREE
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) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;
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ALTER TABLE `alarm_relation`
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DROP COLUMN IF EXISTS `updated_at`,
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DROP COLUMN IF EXISTS `deleted_at`,
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MODIFY COLUMN IF EXISTS `relation_type` enum('derived','related') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL COMMENT '衍生关系：derived/related: 父子/兄弟' AFTER `alarm_id`,
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MODIFY COLUMN IF EXISTS `created_at` datetime NULL DEFAULT NULL AFTER `add_info`;
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SET FOREIGN_KEY_CHECKS = 1; |