Re: Question about restricting the number of rows returned from a query.
От | Stephen Ingram |
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Тема | Re: Question about restricting the number of rows returned from a query. |
Дата | |
Msg-id | 20020220211712.ZGRA6925.femail12.sdc1.sfba.home.com@there обсуждение исходный текст |
Ответ на | Re: Question about restricting the number of rows returned from a (Philip Hallstrom <philip@adhesivemedia.com>) |
Список | pgsql-novice |
On Wednesday 20 February 2002 03:50 pm, Philip Hallstrom wrote: > See the LIMIT and OFFSET options in the SELECT command in the manual. > Thanks Philip. I did *try* and get onto the postgres sites, but it kept timing out, so I lazily asked here. Sorry. And now I found this is psql... nice! Thanks again, steve lazygitdb=# \h select Command: SELECT Description: Retrieves rows from a table or view Syntax: SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] * | expression [ AS output_name ] [, ...] [ FROM from_item [, ...] ] [ WHERE condition ] [ GROUP BY expression [, ...] ] [ HAVING condition [, ...] ] [ { UNION | INTERSECT | EXCEPT [ ALL ] } select ] [ ORDER BY expression [ ASC | DESC | USING operator ] [, ...] ] [ FOR UPDATE [ OF tablename [, ...] ] ] [ LIMIT { count | ALL } [ { OFFSET | , } start ]] where from_item can be: [ ONLY ] table_name [ * ] [ [ AS ] alias [ ( column_alias_list ) ] ] | ( select ) [ AS ] alias [ ( column_alias_list ) ] | from_item [ NATURAL ] join_type from_item [ ON join_condition | USING ( join_column_list ) ] > -philip > > On Wed, 20 Feb 2002, Stephen Ingram wrote: > > Hi, > > > > If I am running a query I know could return 1000's of rows; > > is there a PG way to say to just return the first, say, 50 rows? > > > > cheers > > > > steve > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 3: if posting/reading through Usenet, please send an appropriate > > subscribe-nomail command to majordomo@postgresql.org so that your > > message can get through to the mailing list cleanly
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