From: Tim Landscheidt <tim@tim-landscheidt.de>
To: pgsql-sql@postgresql.org
Subject: Re: Extending Regular Expression bounds limit of 255.
Date: Sat, 29 May 2010 18:56:49 +0000
Message-ID: <m38w72y1se.fsf@passepartout.tim-landscheidt.de> (raw)
References: <AANLkTinSlZ_53lw9hAzQTd4bSFlR1_jmzgpbvTSYc3oi@mail.gmail.com>
<AANLkTimcCsHFFlknF_KBXV5mPTqLrW_LhST0GN4ONOYC@mail.gmail.com>
<AANLkTil49TqqzY3yQQFU-gGNT4KaVUjz1o5QHQGcYLZg@mail.gmail.com>
<AANLkTikbjNOsDwlnfUcjS9G2CzgWcnp8NpS48v9m_TSp@mail.gmail.com>
<htqq7f$4g9$2@reversiblemaps.ath.cx>
Jasen Betts <jasen@xnet.co.nz> wrote:
>> It looks like most of our tools are using the Perl version of regular
>> expressions with an upper limit of a bound being 32766. Is there any way to
>> change this in PG? Or can I change from POSIX to Perl?
> perhaps you can do something in pl-perl?
> posix regular expressions are different to perl regular expressions in
> several ways.
Another last resort possibility would of course be to "pre-
compile" the regular expressions from "A{2000}" to
"A{255}A{255}A{255}A{255}A{255}A{255}A{255}A{215}" (with the
headaches of "A{1000,2000}" left as an exercise to the read-
er :-)).
Tim
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To: pgsql-sql@postgresql.org
Cc: tim@tim-landscheidt.de
Subject: Re: Extending Regular Expression bounds limit of 255.
In-Reply-To: <m38w72y1se.fsf@passepartout.tim-landscheidt.de>
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