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Re: BYTEA / DBD::Pg change in 9.0 beta

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bernd Helmle <mailings(at)oopsware(dot)de>
Cc: Jesper Krogh <jesper(at)krogh(dot)cc>, Alex Hunsaker <badalex(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: BYTEA / DBD::Pg change in 9.0 beta
Date: 2010-05-19 12:13:03
Message-ID: 18365.1274271183@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Bernd Helmle <mailings(at)oopsware(dot)de> writes:
> --On 18. Mai 2010 23:20:26 +0200 Jesper Krogh <jesper(at)krogh(dot)cc> wrote:
>> May I ask whats the reason is for "breaking" the compatibillity?

> "Efficency", if i am allowed to call it this way. The new hex 
> representation should be more efficient to retrieve and to handle than the 
> old one. I think bytea_output was set to hex for testing purposes on the 
> first hand, but not sure wether there was a consensus to leave it there 
> finally later.

Yeah, we intentionally set it that way initially to help find stuff that
needs to be updated (as DBD::Pg evidently does).  It's still TBD whether
9.0.0 will ship with that default or not.

			regards, tom lane

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