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Re: Print b-tree tuples

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Samuel Vogel <s(at)muel-vogel(dot)de>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Print b-tree tuples
Date: 2013-01-04 20:26:02
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Lists: pgsql-hackers
Samuel Vogel <s(at)muel-vogel(dot)de> writes:
> I'm trying to print out the tuples in the b-tree nodes for analysis, but 
> when iterate over more than the first entry of the tuples (scanKey++), I 
> strangely get the error below on query execution:
> ERROR:  relation "simpletest" does not exist
> LINE 1: SELECT * FROM simpletest WHERE id = 50;

Is this patch the only thing you changed?  The only obvious explanation
for the above error (other than "you fat-fingered the query") seems to
be that you caused index searches in pg_class to fail, but I don't see
how this patch could be affecting the result of _bt_binsrch.

			regards, tom lane

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