Re: New warning code for missing FROM relations
От | Bruce Momjian |
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Тема | Re: New warning code for missing FROM relations |
Дата | |
Msg-id | 200006031400.KAA19022@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: New warning code for missing FROM relations (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: New warning code for missing FROM relations
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Список | pgsql-hackers |
> Bruce Momjian <pgman@candle.pha.pa.us> writes: > > I have committed new warning code to alert users who auto-create > > relations without knowing it. > > The code issues the warning if it auto-creates a range table entry, and > > there is already a range table entry identified as coming from a FROM > > clause. Correlated subqueries should not be a problem because they are > > not auto-created. > > I still prefer the suggestion I made before: complain only if the > implicit FROM entry is for a table already present in the rangelist > (under a different alias, obviously). The fact that that choice > would not break any existing regression tests seems relevant... But it seems mine is going to complain if they forget one in a FROM clause, which sort of makes sense to me. I can do your suggestion, but this makes more sense. Can we get some other votes? -- Bruce Momjian | http://www.op.net/~candle pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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