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	Sun, 22 Sep 2019 17:47:49 -0400
From: Tom Lane <tgl@sss.pgh.pa.us>
To: daryl.waycott@edgeintelligence.com
cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #16013: Unexpected results from bit field query
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References: <16013-c2765b6996aacae9@postgresql.org>
 <27542.1568864239@sss.pgh.pa.us>
Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
	message dated "Wed, 18 Sep 2019 23:37:19 -0400"
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Date: Sun, 22 Sep 2019 17:47:49 -0400
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I wrote:
> PG Bug reporting form <noreply@postgresql.org> writes:
>> A query using a right bit shift and an equality on a bit field seems to
>> return incorrect results.

> Ugh.  bit_cmp expects that any unused bits in the last byte
> are guaranteed zero, but bitshiftright isn't ensuring that.
> Didn't look to see if the same bug exists anywhere else ...

After digging around, it seems that no other bit functions have
this issue.  I've pushed a fix --- thanks for the report!

			regards, tom lane