PostgreSQL Sql问题,大神教教我刚用不太懂
梦一场丶 2017-03-13 11:00:03 [SQL]select distinct o from pub_dict o,pub_role e where o.code=e.role_type and e.isValid=1 and o.type='002'
[Err] 错误: 操作符不存在: character = integer
LINE 1: ...,pub_role e where o.code=e.role_type and e.isValid=1 and o.t...
^
HINT: 没有匹配指定名称和参数类型的操作符. 您也许需要增加明确的类型转换.