From: Tom Lane <tgl@sss.pgh.pa.us>
To: Stef <svb@ucs.co.za>
Cc: pgsql-performance@postgresql.org
Subject: Re: Compression of text columns
Date: Mon, 10 Oct 2005 10:38:08 -0400
Message-ID: <20646.1128955088@sss.pgh.pa.us> (raw)
In-Reply-To: <20051010141721.0bebbaa7@svb.ucs.co.za>
References: <20051010141721.0bebbaa7@svb.ucs.co.za>
Stef <svb@ucs.co.za> writes:
> I saw that the default storage type for text columns is
> "EXTENDED" which, according to the documentation, uses up extra
> space to make possible substring functioning faster.
You misread it. EXTENDED does compression by default on long strings.
EXTERNAL is the one that suppresses compression.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, svb@ucs.co.za
Subject: Re: Compression of text columns
In-Reply-To: <20646.1128955088@sss.pgh.pa.us>
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