Обсуждение: BUG #19451: In postgreSQL v13 For 1000 tables how to update from rrn column to GUID. Each table more than 2crore

The following bug has been logged on the website:

Bug reference:      19451
Logged by:          Amarnath Bichchal
Email address:      abichchal123@gmail.com
PostgreSQL version: Unsupported/Unknown
Operating system:   ubuntu
Description:

In postgreSQL v13 For 1000 tables how to update from rrn column to GUID.
Each table more than 2crores records. What is strategy use with no any
issues , performance, lock , need to fast complete in 2hrs to 3hrs. use
uninx script

On Mon, Apr  6, 2026 at 05:26:40PM +0000, PG Bug reporting form wrote:
> The following bug has been logged on the website:
> 
> Bug reference:      19451
> Logged by:          Amarnath Bichchal
> Email address:      abichchal123@gmail.com
> PostgreSQL version: Unsupported/Unknown
> Operating system:   ubuntu
> Description:        
> 
> In postgreSQL v13 For 1000 tables how to update from rrn column to GUID.
> Each table more than 2crores records. What is strategy use with no any
> issues , performance, lock , need to fast complete in 2hrs to 3hrs. use
> uninx script

PG 13 is no longer being supported;  the last release was November 13,
2025:

    https://www.postgresql.org/support/versioning/

This is also not a bug.  I also can't understand the question.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Do not let urgent matters crowd out time for investment in the future.