From: Tom Lane <tgl@sss.pgh.pa.us>
To: Wei Weng <wweng@kencast.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: LIKE operator and string comparison
Date: Wed, 22 Sep 2004 19:20:48 -0400
Message-ID: <19719.1095895248@sss.pgh.pa.us> (raw)
In-Reply-To: <41520882.6020702@kencast.com>
References: <415202B6.7060903@kencast.com>
<19606.1095894584@sss.pgh.pa.us>
<41520882.6020702@kencast.com>
Wei Weng <wweng@kencast.com> writes:
> What about in regular strings? I do need to use backslash to escape the
> other backslash in order to get the '\'. Why isn't that the case in LIKE
> operation?
It is. You write four backslashes in order to describe a string
constant value containing two backslashes. When the LIKE code sees
that, it interprets it as one quoted backslash.
See LIKE ... ESCAPE if you'd like to use a different escape character
in the LIKE pattern.
regards, tom lane
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, wweng@kencast.com
Subject: Re: LIKE operator and string comparison
In-Reply-To: <19719.1095895248@sss.pgh.pa.us>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox