1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
| SET @column_exists := (
| SELECT COUNT(1)
| FROM information_schema.COLUMNS
| WHERE TABLE_SCHEMA = DATABASE()
| AND TABLE_NAME = 't_partner'
| AND COLUMN_NAME = 'venue_share_amount'
| );
|
| SET @ddl := IF(
| @column_exists = 0,
| 'ALTER TABLE `t_partner` ADD COLUMN `venue_share_amount` decimal(10, 2) NULL DEFAULT NULL COMMENT ''场地方合作商分账金额（元）'' AFTER `service_share_ratio`',
| 'SELECT 1'
| );
|
| PREPARE stmt FROM @ddl;
| EXECUTE stmt;
| DEALLOCATE PREPARE stmt;
|
|
