On Mon, 2005-10-10 at 14:57 +0200, Stef wrote:
> Is there any way to achieve better compression?
You can use XML schema aware compression techniques, but PostgreSQL
doesn't know about those. You have to do it yourself, or translate the
XML into an infoset-preserving form that will still allow XPat
Stef <[EMAIL PROTECTED]> 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 th
Tino Wildenhain mentioned :
=> Well, text columns are automatically compressed via the toast mechanism.
=> This is handled transparently for you.
OK, I misread the documentation, and I forgot to mention that
I'm using postgres 7.3 and 8.0
It's actually the EXTERNAL storage type that is larger, not
Stef schrieb:
I have a table in the databases I work with,
that contains two text columns with XML data
stored inside them.
This table is by far the biggest table in the databases,
and the text columns use up the most space.
I saw that the default storage type for text columns is
"EXTENDED"
I have a table in the databases I work with,
that contains two text columns with XML data
stored inside them.
This table is by far the biggest table in the databases,
and the text columns use up the most space.
I saw that the default storage type for text columns is
"EXTENDED" which, according t
