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From: Tom Lane <[email protected]>
To: Quan Zongliang <[email protected]>
Cc: [email protected]
Subject: Re: Change the bool member of the Query structure to bits
Date: Tue, 20 Feb 2024 10:45:51 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Quan Zongliang <[email protected]> writes:
> The Query structure has an increasing number of bool attributes. This is 
> likely to increase in the future. And they have the same properties. 
> Wouldn't it be better to store them in bits? Common statements don't use 
> them, so they have little impact. This also saves memory space.

I'm -1 on that, for three reasons:

* The amount of space saved is quite negligible.  If queries had many
Query structs then it could matter, but they don't.

* This causes enough code churn to create a headache for back-patching.

* This'll completely destroy the readability of these flags in
pprint output.

I'm not greatly in love with the macro layer you propose, either,
but those details don't matter because I think we should just
leave well enough alone.

			regards, tom lane

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