-- Exclusive quote: share prc_price_set via set_category
SET NAMES utf8mb4;

SET @col_exists := (
  SELECT COUNT(1) FROM information_schema.columns
  WHERE table_schema = DATABASE()
    AND table_name = 'prc_price_set'
    AND column_name = 'set_category'
);
SET @sql := IF(@col_exists = 0,
  'ALTER TABLE prc_price_set ADD COLUMN set_category varchar(20) NOT NULL DEFAULT ''PACKAGE'' COMMENT ''分类 PACKAGE=普通套餐 EXCLUSIVE=专属报价'' AFTER set_type',
  'SELECT 1');
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

UPDATE prc_price_set
   SET set_category = 'PACKAGE'
 WHERE set_category IS NULL OR set_category = '';

SET @idx_exists := (
  SELECT COUNT(1) FROM information_schema.statistics
  WHERE table_schema = DATABASE()
    AND table_name = 'prc_price_set'
    AND index_name = 'idx_ps_category'
);
SET @sql := IF(@idx_exists = 0,
  'ALTER TABLE prc_price_set ADD KEY idx_ps_category (set_category)',
  'SELECT 1');
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;