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base repository: postgresql-cfbot/postgresql
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  • 8 commits
  • 84 files changed
  • 2 contributors

Commits on Oct 30, 2025

  1. Integrate addition of attributes for sequences with ALTER TABLE 

    This is a process similar to CREATE OR REPLACE VIEW, where attributes
are added to a sequence after the initial creation of its Relation.
This gives more flexibility to sequence AMs, as these may want to force
their own set of attributes to use when coupled with their computation
methods and/or underlying table AM.
    @michaelpq
    michaelpq authored and Commitfest Bot committed Oct 30, 2025
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  2. Refactor code for in-core "local" sequences 

    This commit restructures the code of in-core sequences into a new set of
files:
- seqdesc.c is renamed to seqlocaldesc.c.
- seqlocalxlog.c to the code in the WAL replay logic.
- seqlocalam.c to store a set of routines called from sequence.c,
finishing the separation between the main sequence logic and the in-core
sequences.
- seqlocalam.h to store the AM-specific structures and routine related
to the in-core sequences.

WAL records are renamed to "SequenceLocal" with structures, variables
and file structures mapping to that.
    @michaelpq
    michaelpq authored and Commitfest Bot committed Oct 30, 2025
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  3. Sequence access methods - backend support 

    The "seqlocal" sequence AM is now plugged in as a handler in the
relcache, and a set of callbacks in sequenceam.h.
    @michaelpq
    michaelpq authored and Commitfest Bot committed Oct 30, 2025
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  4. Sequence access methods - dump/restore support

    @michaelpq
    michaelpq authored and Commitfest Bot committed Oct 30, 2025
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  5. Sequence access methods - core documentation

    @michaelpq
    michaelpq authored and Commitfest Bot committed Oct 30, 2025
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  6. Refactor logic for page manipulations of sequence AMs 

    This introduces a new header, named sequence_page.h, aimed at providing
helper macros that can be used with sequence implementations that rely
on a single on-disk page.  The in-core "local" sequence AM is one case.
A follow-up patch will rely on that to make its implementation simpler.
    @michaelpq
    michaelpq authored and Commitfest Bot committed Oct 30, 2025
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  7. snowflake: Add sequence AM based on it 

    This includes documentation and a basic implementation, ready to use.
    @michaelpq
    michaelpq authored and Commitfest Bot committed Oct 30, 2025
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  8. [CF 4677] v23 - Sequence Access Methods, round two 

    This branch was automatically generated by a robot using patches from an
email thread registered at:

https://commitfest.postgresql.org/patch/4677

The branch will be overwritten each time a new patch version is posted to
the thread, and also periodically to check for bitrot caused by changes
on the master branch.

Patch(es): https://www.postgresql.org/message-id/[email protected]
Author(s): Michael Paquier
    Commitfest Bot committed Oct 30, 2025
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