Re: [HACKERS] Arrays broken on temp tables
От | Bruce Momjian |
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Тема | Re: [HACKERS] Arrays broken on temp tables |
Дата | |
Msg-id | 199911110433.XAA10209@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] Arrays broken on temp tables (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: [HACKERS] Arrays broken on temp tables
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Список | pgsql-hackers |
> No, our code is *not* OK. It's true that the original example was given > without a WHERE clause, whereas a practical UPDATE would usually have a > WHERE clause; but that has nothing to do with whether the planner will > generate a join or not. If a join is done then the wrong things will > happen, WHERE or no WHERE. > > The bottom line here is that we mustn't generate separate RTEs for the > logical and physical table names. Are you saying a join on a temp table will not work? Can you give an example? -- 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, Pennsylvania19026
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