相关疑难解决方法(0)

当我尝试从表中选择一些记录时

    SELECT * FROM movie_test WHERE tags = ('["dramatic","women", "political"]'::json)

sql代码抛出错误

LINE 1: SELECT * FROM movie_test WHERE tags = ('["dramatic","women",...
                                        ^
HINT:  No operator matches the given name and argument type(s). You might      need to add explicit type casts.

********** ?? **********

ERROR: operator does not exist: json = json
SQL ??: 42883
????:No operator matches the given name and argument type(s). You might need to add explicit type casts.
??:37

我错过了什么或者我可以在哪里了解这个错误.