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From: Peter Eisentraut <[email protected]>
To: Bruce Momjian <[email protected]>
To: Euler Taveira <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: "IS NOT DOCUMENT" is missing
Date: Mon, 2 Apr 2018 11:51:50 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CAHE3wgiwDCwnS9QUZKAU0Pb_50FsXxLLy=XYB8oRcNkHpyU3Lg@mail.gmail.com>
	<[email protected]>

On 3/30/18 10:40, Bruce Momjian wrote:
> On Fri, Mar 16, 2018 at 01:56:32AM -0300, Euler Taveira wrote:
>> 2018-03-09 0:10 GMT-03:00 PG Doc comments form <[email protected]>:
>>> From testing, it seems like PostgreSQL supports the syntax "IS NOT DOCUMENT"
>>> in addition to "IS DOCUMENT", similar to "IS NOT NULL", "IS NOT FALSE", etc,
>>> however this does not appear to be documented, only "IS DOCUMENT" is.
>>>
>> It has been like that since day 1. I'm not sure why it was not
>> documented. It already has some tests. I'll bet that was an oversight.
>> Should we repeat the statement in another item (like the attached
>> patch)? Another option is to add a statement in the "IS DOCUMENT"
>> item. I'm afraid that NULL return wouldn't be clear.
>>
> 
> Patch applied and backpatched to Postgres 10.  Thank.s

Per the nearby discussion, this should probably also be backpatched further.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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