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Re: [PATCH] Re: Adding xpath_exists function

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Mike Fowler <mike(at)mlfowler(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] Re: Adding xpath_exists function
Date: 2010-08-06 02:29:10
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackerspgsql-rrreviewers
Excerpts from Mike Fowler's message of mar jun 29 06:37:28 -0400 2010:

> After seeing some other posts in the last couple of days, I realised I 
> hadn't documented the function in the SGML. I have now done so, and 
> added a couple of tests with XML literals. Please find the patch 
> attached. Now time to go correct the xmlexists patch too...

Hmm, is 0 a valid node number in a xmlNodeSet?  If it is, searching for
the zeroth node would make the code call PG_RETURN_BOOL(0), no?

Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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