72 lines
2.9 KiB
SQL
72 lines
2.9 KiB
SQL
-- =============================================================
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-- OA 报销：费用明细支持「发票挂靠」（已建表环境执行）
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--
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-- 背景：一张发票（例如 200 元油票/邮费票）常常需要分多次报销才能报满。
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-- 现在每条费用明细可以挂靠一张「仍有余额的发票」，并记录本次使用金额。
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--
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-- 设计：不新建发票表，发票本体仍是明细行 receipt_file_ids 指向的附件。
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-- 票面金额取 receipt_amounts（OCR 识别或人工填写），余额由后端实时聚合：
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-- 余额 = 票面金额 - 上传该票的明细占用 - 其它明细挂靠占用
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-- 明细被删除后占用自动释放，无需额外回滚，也不存在余额字段不一致问题。
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--
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-- 适用：已有 yz_backend_reimbursement_items 的环境。
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-- 幂等：重复执行安全（information_schema 判断列是否存在）。
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-- =============================================================
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USE `go-platform`;
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-- 1) 挂靠的发票文件 ID（0 = 未挂靠）
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SET @ddl := (
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SELECT IF(
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EXISTS (
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SELECT 1 FROM `information_schema`.`COLUMNS`
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WHERE `TABLE_SCHEMA` = DATABASE()
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AND `TABLE_NAME` = 'yz_backend_reimbursement_items'
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AND `COLUMN_NAME` = 'invoice_file_id'
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),
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'SELECT ''invoice_file_id 已存在，跳过'' AS msg',
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'ALTER TABLE `yz_backend_reimbursement_items` ADD COLUMN `invoice_file_id` BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT ''挂靠的发票文件ID（yz_system_files.id，0=未挂靠）'' AFTER `receipt_amounts`'
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)
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);
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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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-- 2) 本条明细本次使用的发票金额
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SET @ddl := (
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SELECT IF(
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EXISTS (
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SELECT 1 FROM `information_schema`.`COLUMNS`
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WHERE `TABLE_SCHEMA` = DATABASE()
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AND `TABLE_NAME` = 'yz_backend_reimbursement_items'
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AND `COLUMN_NAME` = 'invoice_use_amount'
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),
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'SELECT ''invoice_use_amount 已存在，跳过'' AS msg',
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'ALTER TABLE `yz_backend_reimbursement_items` ADD COLUMN `invoice_use_amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00 COMMENT ''本条明细挂靠使用的发票金额'' AFTER `invoice_file_id`'
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)
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);
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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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-- 3) 辅助索引：按挂靠发票快速聚合（重复执行前先判断）
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SET @ddl := (
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SELECT IF(
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EXISTS (
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SELECT 1 FROM `information_schema`.`STATISTICS`
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WHERE `TABLE_SCHEMA` = DATABASE()
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AND `TABLE_NAME` = 'yz_backend_reimbursement_items'
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AND `INDEX_NAME` = 'idx_reimb_invoice'
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),
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'SELECT ''idx_reimb_invoice 已存在，跳过'' AS msg',
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'ALTER TABLE `yz_backend_reimbursement_items` ADD INDEX `idx_reimb_invoice` (`reimbursement_id`, `invoice_file_id`)'
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)
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);
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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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-- 4) 核对结果
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SHOW FULL COLUMNS FROM `yz_backend_reimbursement_items`
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WHERE `Field` IN ('invoice_file_id', 'invoice_use_amount');
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