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From: Nikolay Samokhvalov <nik@postgres.ai>
To: Corey Huinker <corey.huinker@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@lists.postgresql.org>
Cc: etsuro.fujita@gmail.com
Cc: ashutosh.bapat.oss@gmail.com
Subject: Re: [PG19][PATCH] Make postgres_fdw statistics import atomic
Date: Wed, 16 Sep 2026 16:24:26 -0700
Message-ID: <CAM527d-RjPceP1FuPVG1dBnoeAtRVF8NzVPaFaQKVMFYiAT0jg@mail.gmail.com> (raw)
In-Reply-To: <CADkLM=cAe4ezUexLu06o3t5b1btXbrDpOiCZkpnkxvV9OAVvWg@mail.gmail.com>
References: <CAM527d-gHX4zZOhi9vvX+OsgEb+b2+fPbLUq8XRjAPYWQxDWjw@mail.gmail.com>
	<CADkLM=cAe4ezUexLu06o3t5b1btXbrDpOiCZkpnkxvV9OAVvWg@mail.gmail.com>

Thanks Corey. Shouldn't an empty fallback preserve the old
pg_statistic rows, as analyze normally does? Here a={11}, b={21}
becomes a={111}, b=NULL; deleting the processed rows would not restore
the old state. Nik






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  Subject: Re: [PG19][PATCH] Make postgres_fdw statistics import atomic
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