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bms-back/sql/price/rollback_prc_order_schema.sql

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+-- Restore schema to pre-prc_order (code rollback).
+-- Run on database bms. Safe to re-run.
+--
+-- DATA: prc_order_ext was TRUNCATE before the FK.
+-- Those ext rows are gone. This script only restores table shape.
+-- Row data needs a backup / binlog from before that TRUNCATE.
+
+SET NAMES utf8mb4;
+SELECT DATABASE() AS current_db;
+
+-- 1) Drop FK from ext -> prc_order (table may still be prc_order_ext)
+SET @fk := (
+  SELECT CONSTRAINT_NAME FROM information_schema.TABLE_CONSTRAINTS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_ext'
+    AND CONSTRAINT_TYPE = 'FOREIGN KEY'
+    AND CONSTRAINT_NAME = 'fk_order_ext_order'
+  LIMIT 1
+);
+SET @sql := IF(@fk IS NOT NULL,
+  'ALTER TABLE prc_order_ext DROP FOREIGN KEY fk_order_ext_order',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+-- 2) Rename prc_order_ext -> prc_order_bill_ext
+SET @new_tbl := (
+  SELECT TABLE_NAME FROM information_schema.TABLES
+  WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'prc_order_ext' LIMIT 1
+);
+SET @old_tbl := (
+  SELECT TABLE_NAME FROM information_schema.TABLES
+  WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'prc_order_bill_ext' LIMIT 1
+);
+SET @sql := IF(@new_tbl IS NOT NULL AND @old_tbl IS NULL,
+  'RENAME TABLE prc_order_ext TO prc_order_bill_ext',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+-- 3) PK column order_id -> bill_id
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill_ext'
+    AND COLUMN_NAME = 'order_id'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NOT NULL,
+  'ALTER TABLE prc_order_bill_ext CHANGE COLUMN order_id bill_id varchar(36) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT \'计费订单ID，对应 prc_order_bill.bill_id\'',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+-- 4) Put back columns that were moved off the ext table
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill_ext'
+    AND COLUMN_NAME = 'product_floor_code'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NULL,
+  'ALTER TABLE prc_order_bill_ext ADD COLUMN product_floor_code text NULL COMMENT \'渠道编码\'',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill_ext'
+    AND COLUMN_NAME = 'order_status'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NULL,
+  'ALTER TABLE prc_order_bill_ext ADD COLUMN order_status tinyint(4) DEFAULT NULL COMMENT \'订单状态\'',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill_ext'
+    AND COLUMN_NAME = 'pickup_date'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NULL,
+  'ALTER TABLE prc_order_bill_ext ADD COLUMN pickup_date datetime DEFAULT NULL COMMENT \'收件时间\'',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill_ext'
+    AND COLUMN_NAME = 'bl_pickup'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NULL,
+  'ALTER TABLE prc_order_bill_ext ADD COLUMN bl_pickup tinyint(4) DEFAULT NULL COMMENT \'是否收件 0未收件 1已收件\'',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill_ext'
+    AND COLUMN_NAME = 'dimensional_weight_factor'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NULL,
+  'ALTER TABLE prc_order_bill_ext ADD COLUMN dimensional_weight_factor decimal(10,3) DEFAULT NULL COMMENT \'计费重\'',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+
+-- 5) Drop orphan ext rows, then restore FK to prc_order_bill
+DELETE e FROM prc_order_bill_ext e
+LEFT JOIN prc_order_bill b ON b.bill_id = e.bill_id
+WHERE b.bill_id IS NULL;
+
+SET @fk := (
+  SELECT CONSTRAINT_NAME FROM information_schema.TABLE_CONSTRAINTS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill_ext'
+    AND CONSTRAINT_TYPE = 'FOREIGN KEY'
+    AND CONSTRAINT_NAME = 'fk_order_bill_ext_bill'
+  LIMIT 1
+);
+SET @sql := IF(@fk IS NULL,
+  'ALTER TABLE prc_order_bill_ext ADD CONSTRAINT fk_order_bill_ext_bill FOREIGN KEY (bill_id) REFERENCES prc_order_bill (bill_id) ON DELETE CASCADE',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+ALTER TABLE prc_order_bill_ext COMMENT = '订单计费扩展表';
+
+-- 6) Drop prc_order_bill.order_id (and its index)
+SET @idx := (
+  SELECT INDEX_NAME FROM information_schema.STATISTICS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill'
+    AND INDEX_NAME = 'idx_order_bill_order_id'
+  LIMIT 1
+);
+SET @sql := IF(@idx IS NOT NULL,
+  'ALTER TABLE prc_order_bill DROP INDEX idx_order_bill_order_id',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill'
+    AND COLUMN_NAME = 'order_id'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NOT NULL,
+  'ALTER TABLE prc_order_bill DROP COLUMN order_id',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+-- 7) Drop prc_order_bill.pickup_date added in the rolled-back change
+--    Receive time stays on prc_order_bill_ext.pickup_date
+SET @idx := (
+  SELECT INDEX_NAME FROM information_schema.STATISTICS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill'
+    AND INDEX_NAME = 'idx_order_bill_pickup_date'
+  LIMIT 1
+);
+SET @sql := IF(@idx IS NOT NULL,
+  'ALTER TABLE prc_order_bill DROP INDEX idx_order_bill_pickup_date',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col := (
+  SELECT COLUMN_NAME FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'prc_order_bill'
+    AND COLUMN_NAME = 'pickup_date'
+  LIMIT 1
+);
+SET @sql := IF(@col IS NOT NULL,
+  'ALTER TABLE prc_order_bill DROP COLUMN pickup_date',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+-- 8) Drop new master table
+SET @tbl := (
+  SELECT TABLE_NAME FROM information_schema.TABLES
+  WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'prc_order' LIMIT 1
+);
+SET @sql := IF(@tbl IS NOT NULL, 'DROP TABLE prc_order', 'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;