MySQL Error
Message: MySQL Query Error
SQL: SELECT COUNT(*) as `num` FROM car_models.md_carimg a WHERE a.`model_id`= AND a.exhibitionId=20120523
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND a.exhibitionId=20120523' at line 1
Errno.: 1064
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