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我对Postgres的滤波之间有两个上午下午的时间在
AND to_char(eat.datecreated, 'HH12:MI:SS AM') BETWEEN
to_char('06:00:00', 'HH12:MI:SS AM') AND to_char('06:00:00', 'HH12:MI:SS AM')
的过滤器,并导致:
ERROR: function to_char(unknown, unknown) is not unique
LINE 25: ...to_char(eat.datecreated, 'HH12:MI:SS AM') BETWEEN to_char('0...
^
HINT: Could not choose a best candidate function. You might need to add explicit type casts.
********** Error **********
ERROR: function to_char(unknown, unknown) is not unique
SQL state: 42725
Hint: Could not choose a best candidate function. You might need to add explicit type casts.
Character: 1455
请帮助我。我坚持这个查询。
请注意,对于timestamptz,演员会根据您当地的时区返回时间。这可能是也可能不是你想要的。你将不得不定义你的需求和使用的确切数据类型。 – 2013-02-11 13:48:25