Re: trying to pattern match to a value contained in a column

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Beth Gatewood <bethg(at)mbt(dot)washington(dot)edu>, Francis Solomon <francis(at)stellison(dot)co(dot)uk>, pgsql-sql(at)postgresql(dot)org
Subject: Re: trying to pattern match to a value contained in a column
Date: 2000-12-09 19:27:07
Message-ID: 200012091927.OAA21186@candle.pha.pa.us
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> Beth Gatewood <bethg(at)mbt(dot)washington(dot)edu> writes:
> > I hope this isn't because I am using 6.3 (yes...I know it is very very
> > old but this is currently where the data is!)
>
> > here is the query:
> > select * from av34s1 where chromat ~~ ('%' || sample || '%');
> > ERROR: parser: syntax error at or near "||"
>
> I seem to recall that || (and most other operators) wasn't
> considered associative by the grammar way back when.
> Try a fully parenthesized expression:

Yes || had strange problems in those releases.

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