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From: Nathan Bossart <nathandbossart@gmail.com>
To: Nazir Bilal Yavuz <byavuz81@gmail.com>
Cc: Greg Burd <greg@burd.me>
Cc: Manni Wood <manni.wood@enterprisedb.com>
Cc: KAZAR Ayoub <ma_kazar@esi.dz>
Cc: Neil Conway <neil.conway@gmail.com>
Cc: Andrew Dunstan <andrew@dunslane.net>
Cc: Shinya Kato <shinya11.kato@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
Date: Tue, 1 Sep 2026 14:23:58 -0500
Message-ID: <apcmTvBmA27RoyYL@nathan> (raw)
In-Reply-To: <CAN55FZ0UJg+9wcyTCUG656c9DKCNvTGVuuVe4EMMVCHPwGS4aQ@mail.gmail.com>
References: <CAN55FZ0ocS6cBHEWqHv2s-dK91U6OdVLBqj7VexTehtBtioDbA@mail.gmail.com>
	<abQZmZ0KZesCxfR0@nathan>
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	<CAN55FZ1b1Jstrr-K7xcXY9z1ObDRxi48dAhwdHpTZn1C=S-jHA@mail.gmail.com>
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	<abRKUiInG6Gu728Q@nathan>
	<apWOr1kgVSqweBnU@nathan>
	<CAN55FZ1utgaKb1DbW7tr+2=s4Hm1yiCEeNDY9m=qP_M_drafCg@mail.gmail.com>
	<78e736c8-7f4e-46c2-9fcf-a6839e393d64@app.fastmail.com>
	<CAN55FZ0UJg+9wcyTCUG656c9DKCNvTGVuuVe4EMMVCHPwGS4aQ@mail.gmail.com>

On Tue, Sep 01, 2026 at 11:17:03AM +0300, Nazir Bilal Yavuz wrote:
> I re-checked the patch and the fix LGTM. My only comment is adding the
> reproducer as a test case.

Committed, thanks for looking.  I'm concerned about portability and
encoding issues with such a test, so I didn't add it yet.  But I'm not
opposed to adding a test along these lines as a separate effort.

-- 
nathan






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