Re: [GENERAL] Question on confusing behavior
От | Bruce Momjian |
---|---|
Тема | Re: [GENERAL] Question on confusing behavior |
Дата | |
Msg-id | 199909232107.RAA25552@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Question on confusing behavior (Steve Wolfe <steve@iboats.com>) |
Список | pgsql-general |
> Today, I told someone the syntax for "count" without thinking, and > got it wrong - and in so doing, I found some interesting behavior. > > > select count('table.fieldname'); > > works. however... > > select count('table.fieldname') where table.fieldname='something'; Using the table.field in single-quotes makes it a string, and that is a strange query. Legally, you can do: select count(*) where table.fieldname='something'; select count(table.fieldname) where table.fieldname='something'; However, I see your point, and will add it to the TODO list: * SELECT COUNT('asdf') FROM pg_class WHERE oid=12 crashes -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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