比如:select * from table_name_xxx where name = "1234"; ---- 查询很快
比如:select * from table_name_xxx where name = 1234; ---- 查询特别慢
因此,ORM框架需要根据列定义的类型,自动将参数转换一下类型。
标签:1234,varchar,name,查询,MySQL,table,select From: https://www.cnblogs.com/lhp2012/p/16868826.html