Re: INSERT WHERE NOT EXISTS - Mailing list pgsql-general

From Karsten Hilbert
Subject Re: INSERT WHERE NOT EXISTS
Date
Msg-id 20030628013630.B7076@hermes.hilbert.loc
Whole thread Raw
In response to Re: INSERT WHERE NOT EXISTS  (DeJuan Jackson <djackson@speedfc.com>)
Responses Re: INSERT WHERE NOT EXISTS  (Lincoln Yeoh <lyeoh@pop.jaring.my>)
List pgsql-general
Because

>>select exists(select * from tablename where [cond])

will return after finding 1 matching row (or am I
wrong ?) while

> SELECT 1 FROM tablename WHERE [cond];

will return a 1 for *each* matching row (just tested).

Karsten
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