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我對Postgres的濾波之間有兩個上午下午的時間在
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')
的過濾器,並導致:
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
請幫助我。我堅持這個查詢。
請注意,對於timestamptz,演員會根據您當地的時區返回時間。這可能是也可能不是你想要的。你將不得不定義你的需求和使用的確切數據類型。 – 2013-02-11 13:48:25