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help / color / mirror / Atom feedFrom: Vik Fearing <vik@postgresfriends.org>
To: Jacob Champion <jchampion@timescale.com>
To: Tatsuo Ishii <ishii@sraoss.co.jp>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Row pattern recognition
Date: Fri, 21 Jul 2023 02:07:44 +0200
Message-ID: <69272b9d-1985-9902-0632-e29180c158ae@postgresfriends.org> (raw)
In-Reply-To: <022a392f-2a9e-3df1-a509-a5bd51160fa5@timescale.com>
References: <90bff6fa-01b7-cf60-f4f4-3412514a7cd2@postgresfriends.org>
<20230628.095819.1123345378945479712.t-ishii@sranhm.sra.co.jp>
<07214b3a-5893-f6ce-ef55-0e5d24c94925@timescale.com>
<20230720.141513.1986681389874528348.t-ishii@sranhm.sra.co.jp>
<022a392f-2a9e-3df1-a509-a5bd51160fa5@timescale.com>
On 7/21/23 01:36, Jacob Champion wrote:
> There's also the issue of backtracking in the face of reclassification,
> as I think Vik was alluding to upthread.
We definitely need some kind of backtracking or other reclassification
method.
> (I've attached two failing tests against v2, to hopefully better
> illustrate, along with what I_think_ should be the correct results.)
Almost. You are matching 07-01-2023 but the condition is "price > 100".
--
Vik Fearing
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To: pgsql-hackers@postgresql.org
Cc: vik@postgresfriends.org, jchampion@timescale.com, ishii@sraoss.co.jp
Subject: Re: Row pattern recognition
In-Reply-To: <69272b9d-1985-9902-0632-e29180c158ae@postgresfriends.org>
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