我有一张具有以下格式的桌子。--------------2 | 0 |DDL的定义如下:int_col -是一个属性Select * from table_name where id='string_value';Select * from table_name where int_col = 'string_value';我不知道为什么它把所有的行都还回来了。我
$entitity->getTest()->clear();DELETE FROM test WHERE test_id = '6' DELETE FROM test WHERE test_id = 6stackoverflow.com/questions/21762075/mysql-automatically-cast-convert-a-string-to-
这是:返回结果。SELECT * FROM table WHERE column1 != column2;原来column1是varchar,column2是int。更新
column1中的值为varchars,1234-34,column2有ints,1234。这意味着它总是匹配的,因为它会将varchar 1234-34转换