MySQL判断字段是否存在
1 SELECT * FROM information_schema.columns WHERE table_schema='C17212451' AND table_name = 'cinema_guide_appeal_detail' AND column_name = 'suggest_instruction_content'
1 SELECT * FROM information_schema.columns WHERE table_schema='C17212451' AND table_name = 'cinema_guide_appeal_detail' AND column_name = 'suggest_instruction_content'