Horton

list of TransactionIds

Alvaro Herrera <alvherre@alvh.no-ip.org>

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Pg Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-05-13T08:30:12Z
Lists: pgsql-hackers

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We didn't have any use of TransactionId as members of List, until
RelationSyncEntry->streamed_txns was introduced (464824323e57, pg14).
It's currently implemented as a list of int.  This is not wrong at
present, but it may soon be, and I'm sure it rubs some people the wrong
way.

But is the rubbing way wrong enough to add support for TransactionId in
pg_list.h, including, say, T_XidList?

The minimal patch (attached) is quite small AFAICS.

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/

Commits

  1. Use proper macro to access TransactionId

  2. Implement List support for TransactionId