fix(db): 补充协议操作日志旧表纠偏脚本
为同名旧表与现行日志模型不兼容的情况提供迁移脚本，并在原建表脚本注明纠偏入口。保留有数据的旧表为备份；本次仅提交现有脚本，未执行数据库迁移。
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@@ -1,6 +1,10 @@
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-- Issue #24：协议单操作过程日志（before / action / after）
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-- MySQL 5.7；可重复执行（CREATE IF NOT EXISTS）。上线前须备份并在目标副本验证。
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-- DDL 隐式提交；该脚本不作为自动应用启动步骤。
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--
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-- 注意：若目标库已存在同名「采集协议单操作日志」旧表（含 collection_protocol_id /
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-- operation_code 等列），本脚本会因 IF NOT EXISTS 直接跳过，不会纠偏。
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-- 生产纠偏请改用：2026-11-09-protocol-operation-log-rebuild.sql
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CREATE TABLE IF NOT EXISTS biz_protocol_operation_log (
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id VARCHAR(64) NOT NULL,
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@@ -0,0 +1,119 @@
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-- =============================================================================
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-- 协议操作日志：兼容生产旧表同名冲突，重建为 Issue #24 模型
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-- MySQL 5.7；可重复执行。上线前须备份，并在目标副本验证。
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--
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-- 背景：
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-- 生产曾有「采集协议单操作日志」同名表（collection_protocol_id / operation_*），
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-- 与当前代码（biz_type / before_json / after_json）不兼容。
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-- 旧脚本 2026-11-05-protocol-operation-log.sql 使用 CREATE IF NOT EXISTS，
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-- 遇到旧表会直接跳过，无法纠偏。本脚本用于生产纠偏与新环境兜底。
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--
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-- 行为：
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-- 1) 已是新模型（有 biz_type）→ 跳过结构变更
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-- 2) 旧模型且 0 行 → DROP 后按新模型 CREATE
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-- 3) 旧模型且有数据 → RENAME 为 biz_protocol_operation_log_legacy_20261109 再 CREATE
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-- 4) 表不存在 → 直接 CREATE
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-- =============================================================================
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SET @db := DATABASE();
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SET @table_exists := (
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SELECT COUNT(*) FROM information_schema.tables
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WHERE table_schema = @db AND table_name = 'biz_protocol_operation_log'
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);
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SET @has_legacy_col := (
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SELECT COUNT(*) FROM information_schema.columns
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WHERE table_schema = @db
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AND table_name = 'biz_protocol_operation_log'
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AND column_name = 'collection_protocol_id'
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);
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SET @has_new_col := (
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SELECT COUNT(*) FROM information_schema.columns
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WHERE table_schema = @db
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AND table_name = 'biz_protocol_operation_log'
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AND column_name = 'biz_type'
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);
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SET @is_legacy := IF(@table_exists > 0 AND @has_legacy_col > 0 AND @has_new_col = 0, 1, 0);
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SET @legacy_rows := 0;
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SET @cnt_sql := IF(
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@is_legacy = 1,
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'SET @legacy_rows = (SELECT COUNT(*) FROM `biz_protocol_operation_log`)',
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'SET @legacy_rows = 0'
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);
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PREPARE pol_stmt FROM @cnt_sql;
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EXECUTE pol_stmt;
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DEALLOCATE PREPARE pol_stmt;
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-- 空旧表：直接删除
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SET @drop_sql := IF(
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@is_legacy = 1 AND @legacy_rows = 0,
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'DROP TABLE `biz_protocol_operation_log`',
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'SELECT ''skip drop empty legacy biz_protocol_operation_log'' AS migration_status'
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);
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PREPARE pol_stmt FROM @drop_sql;
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EXECUTE pol_stmt;
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DEALLOCATE PREPARE pol_stmt;
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-- 有数据的旧表：改名保留，避免丢历史（当前生产为 0 行，通常不会走到这里）
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SET @legacy_backup_exists := (
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SELECT COUNT(*) FROM information_schema.tables
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WHERE table_schema = @db AND table_name = 'biz_protocol_operation_log_legacy_20261109'
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);
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SET @rename_sql := IF(
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@is_legacy = 1 AND @legacy_rows > 0 AND @legacy_backup_exists = 0,
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'RENAME TABLE `biz_protocol_operation_log` TO `biz_protocol_operation_log_legacy_20261109`',
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IF(
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@is_legacy = 1 AND @legacy_rows > 0 AND @legacy_backup_exists > 0,
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'SELECT ''ERROR: legacy backup biz_protocol_operation_log_legacy_20261109 already exists; resolve manually'' AS migration_status',
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'SELECT ''skip rename legacy biz_protocol_operation_log'' AS migration_status'
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)
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);
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PREPARE pol_stmt FROM @rename_sql;
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EXECUTE pol_stmt;
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DEALLOCATE PREPARE pol_stmt;
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-- 新模型建表（纠偏后或全新环境）
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CREATE TABLE IF NOT EXISTS `biz_protocol_operation_log` (
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`id` VARCHAR(64) NOT NULL COMMENT '主键ID',
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`biz_type` VARCHAR(32) NOT NULL COMMENT '业务类型 cell_storage/research_donation',
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`biz_id` VARCHAR(64) NOT NULL COMMENT '协议单或捐赠单ID',
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`protocol_no` VARCHAR(64) NULL COMMENT '协议/捐赠编号快照',
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`action` VARCHAR(32) NOT NULL COMMENT '动作 create/update/delete/void/activate/expire/to_research/to_storage/audit',
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`client_channel` VARCHAR(16) NOT NULL DEFAULT 'web' COMMENT '来源端 web/mini',
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`before_json` MEDIUMTEXT NULL COMMENT '操作前协议信息JSON',
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`after_json` MEDIUMTEXT NULL COMMENT '操作后协议信息JSON',
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`operator_user_id` VARCHAR(64) NULL COMMENT '操作人用户ID',
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`operator_user_name` VARCHAR(64) NULL COMMENT '操作人姓名快照',
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`operate_time` DATETIME NOT NULL COMMENT '业务操作时间',
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`tenant_no` VARCHAR(64) NOT NULL COMMENT '租户编号',
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`order_num` INT NULL COMMENT '排序号',
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`remark` VARCHAR(512) NULL COMMENT '备注',
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`create_by` VARCHAR(64) NULL COMMENT '创建人id',
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`create_dept_id` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
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`create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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`update_by` VARCHAR(64) NULL COMMENT '更新人id',
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`update_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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`del_flag` SMALLINT NOT NULL DEFAULT 0 COMMENT '删除标记',
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PRIMARY KEY (`id`),
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KEY `ix_pol_biz` (`tenant_no`, `biz_type`, `biz_id`, `del_flag`),
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KEY `ix_pol_time` (`tenant_no`, `operate_time`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='协议单操作过程日志';
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-- 验收：新模型关键列应存在
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SELECT
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COLUMN_NAME,
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COLUMN_TYPE,
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IS_NULLABLE,
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COLUMN_COMMENT
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FROM information_schema.columns
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WHERE table_schema = DATABASE()
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AND table_name = 'biz_protocol_operation_log'
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AND COLUMN_NAME IN (
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'biz_type', 'biz_id', 'action', 'before_json', 'after_json',
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'client_channel', 'operate_time', 'collection_protocol_id', 'operation_code'
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)
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ORDER BY ORDINAL_POSITION;
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