Re: SELECT COUNT(*)... returns 0 ROWS
От | PostgreSQL |
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Тема | Re: SELECT COUNT(*)... returns 0 ROWS |
Дата | |
Msg-id | WorldClient-F200310311559.AA59210216@coopelesca.co.cr обсуждение исходный текст |
Ответ на | Re: SELECT COUNT(*)... returns 0 ROWS (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-admin |
Thank to all I was in the WRONG database. Sorry, and thanks! -----Original Message----- From: Tom Lane <tgl@sss.pgh.pa.us> To: Jeff <threshar@torgo.978.org> Cc: "PostgreSQL" <postgres@coopelesca.co.cr>, pgsql-admin@postgresql.org Date: Fri, 31 Oct 2003 16:27:31 -0500 Subject: Re: [ADMIN] SELECT COUNT(*)... returns 0 ROWS > Jeff <threshar@torgo.978.org> writes: > > "PostgreSQL" <postgres@coopelesca.co.cr> wrote: > >> Why the result us CERO? the table have 1.400.000 rows! > > > 1. did you remember to load data? > > 2. did someone accidentally delete the data? > > 3. are you connected to the correct db (I've panic'd before but > realized > > I was on dev, not production!)? > > 4. sure that is the right table? > > I'm wondering about MVCC-related conditions, which adds a couple > more questions: > > 5. Did you actually commit the transaction that loaded the rows? > 6. Are you doing the SELECT COUNT(*) in a transaction that started > before the data-loading transaction committed? > > regards, tom lane > > ---------------------------(end of > broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to > majordomo@postgresql.org
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