Re: BUG #18084: Count Mismatch Challenges During PostgreSQL Database Migration: Causes and Solutions - Mailing list pgsql-bugs

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Subject Re: BUG #18084: Count Mismatch Challenges During PostgreSQL Database Migration: Causes and Solutions
Date
Msg-id CALTThcZtn8fMUUz521yQvp8=czmUn03_uRyNbwOHhmizQyfOHQ@mail.gmail.com
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In response to Re: BUG #18084: Count Mismatch Challenges During PostgreSQL Database Migration: Causes and Solutions  (Bruce Momjian <bruce@momjian.us>)
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> And how did you perform this migration?  pg_dump, pg_upgrade, logical
> replication?

Migration was performed using pg_dump.

On Tue, Sep 5, 2023 at 8:48 PM Bruce Momjian <bruce@momjian.us> wrote:
On Mon, Sep  4, 2023 at 05:55:51PM +0000, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference:      18084
> Logged by:          Git Queries
> Email address:      gitqueries0@gmail.com
> PostgreSQL version: Unsupported/Unknown
> Operating system:   Microsoft Windows Server 2019 Standard
> Description:       
>
> Version - PostgreSQL 10.20, compiled by Visual C++ build 1800, 64-bit
>
> Platform - Windows
>
> Regarding PostgreSQL, during the migration from PG 10.20 to 14.7, we will
> perform a sanity check on the migrated tables using source and destination
> row counts. Occasionally, we encounter count mismatches where the source
> database has fewer rows, resulting in a higher count, or more rows,
> resulting in a lower count.
>
> Note: There are no migration issues, as all data rows have been successfully
> migrated without data loss.

And how did you perform this migration?  pg_dump, pg_upgrade, logical
replication?

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