Re: Proposal: CREATE CONVERSION - Mailing list pgsql-hackers

From Tatsuo Ishii
Subject Re: Proposal: CREATE CONVERSION
Date
Msg-id 20020711.183048.85411887.t-ishii@sra.co.jp
Whole thread Raw
In response to Re: Proposal: CREATE CONVERSION  (Karel Zak <zakkr@zf.jcu.cz>)
Responses Re: Proposal: CREATE CONVERSION  (Karel Zak <zakkr@zf.jcu.cz>)
List pgsql-hackers
> > No, it's not a libpq problem, but more common "client/server" problem
> > IMO. It's very hard to share dynamically created object (info)
> > effectively between client and server.
> 
>  IMHO dynamic object will keep server and client must ask for wanted 
>  information to server.

I agree with you. However real problem is how fast it could be. For
example, pg_mblen() is called for each word processed by libpq to know
the byte length of the word. If each call to pg_mblen() accesses
backend, the performance might be unacceptably slow.
--
Tatsuo Ishii


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