From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | "Michael Beckstette" <mbeckste(at)TechFak(dot)Uni-Bielefeld(dot)DE> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: length limitation in '=' operator when comparing TEXT fields ? |
Date: | 2002-05-23 20:15:23 |
Message-ID: | 23370.1022184923@sss.pgh.pa.us |
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Lists: | pgsql-bugs |
"Michael Beckstette" <mbeckste(at)TechFak(dot)Uni-Bielefeld(dot)DE> writes:
> i have a little problem when selecting entries from a table, specified by a
> long match on a field of type TEXT. Is there a length limitation for the '='
> operator when comparing a field of type TEXT to a given string ?
No.
> Example:
> SELECT description FROM sequences_33 WHERE description LIKE 'gi 17559974%';
^^^^^^^^^^^^^^^^^^^
> [ finds a row ]
> SELECT description FROM sequences_33 WHERE description=' gi 17559974 ref
^^^^^^^^^^^^^^^^^
> [ finds no row ]
You seem to think that leading spaces are insignificant. They are not.
regards, tom lane
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