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From: David Steele <[email protected]>
To: Tom Lane <[email protected]>
Cc: Amit Langote <[email protected]>
Cc: Pg Hackers <[email protected]>
Subject: Re: Views no longer in rangeTabls?
Date: Sat, 10 Jun 2023 09:51:34 +0300
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CA+HiwqFC0xDCCiXbUjb-xisxo9PPuA8_ykn8Fz+6RbBJBE8mVA@mail.gmail.com>
	<[email protected]>
	<[email protected]>

On 6/9/23 19:14, Tom Lane wrote:
> David Steele <[email protected]> writes:
>> Thank you, this was very helpful. I am able to get the expected result
>> now with:
> 
>> /* We only care about tables/views and can ignore subqueries, etc. */
>> if (!(rte->rtekind == RTE_RELATION ||
>>        (rte->rtekind == RTE_SUBQUERY && OidIsValid(rte->relid))))
>>       continue;
> 
> Right, that matches places like add_rtes_to_flat_rtable().

Good to have confirmation of that, thanks!

>> One thing, though, rte->relkind is not set for views, so I still need to
>> call get_rel_relkind(rte->relid). Not a big deal, but do you think it
>> would make sense to set rte->relkind for views?
> 
> If you see "rte->rtekind == RTE_SUBQUERY && OidIsValid(rte->relid)",
> it's dead certain that relid refers to a view, so you could just wire
> in that knowledge.

Yeah, that's a good trick. Even so, I wonder why relkind is not set when 
relid is set?

Regards,
-David

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