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help / color / mirror / Atom feedFrom: Tom Lane <[email protected]>
To: nikhil raj <[email protected]>
Cc: pgsql-generallists.postgresql.org <[email protected]>
Cc: NIKITA PATEL <[email protected]>
Cc: Patel Khushbu <[email protected]>
Subject: Re: Significant Execution Time Difference Between PG13.14 and PG16.4 for Query on information_schema Tables.
Date: Mon, 26 Aug 2024 21:40:13 -0400
Message-ID: <[email protected]> (raw)
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nikhil raj <[email protected]> writes:
> I've encountered a noticeable difference in execution time and query
> execution plan row counts between PostgreSQL 13 and PostgreSQL 16 when
> running a query on information_schema tables. Surprisingly, PostgreSQL 16
> is performing slower than PostgreSQL 13.
Yeah, it looks like that condition on "table_name" is not getting
pushed down to the scan level anymore. I'm not sure why not,
but will look closer tomorrow.
regards, tom lane
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To: [email protected]
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Subject: Re: Significant Execution Time Difference Between PG13.14 and PG16.4 for Query on information_schema Tables.
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