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  • 11 commits
  • 21 files changed
  • 7 contributors

Commits on Jun 26, 2025

  1. Expand virtual generated columns for ALTER COLUMN TYPE 

    For the subcommand ALTER COLUMN TYPE of the ALTER TABLE command, the
USING expression may reference virtual generated columns.  These
columns must be expanded before the expression is fed through
expression_planner and the expression-execution machinery.  Failing to
do so can result in incorrect rewrite decisions, and can also lead to
"ERROR:  unexpected virtual generated column reference".

Reported-by: Alexander Lakhin <[email protected]>
Reviewed-by: jian he <[email protected]>
Discussion: https://postgr.es/m/[email protected]
    Richard Guo committed Jun 26, 2025
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  2. doc: Fix indentation of MERGE synopsis. 

    The convention in the documentation for other SQL commands is to
indent continuation lines and sub-clauses in the "Synopsis" section by
4 spaces, so do the same for MERGE.

Author: Dean Rasheed <[email protected]>
Reviewed-by: Nathan Bossart <[email protected]>
Discussion: https://postgr.es/m/CAEZATCV+9tR9+WM-SCcdBEZ3x7WVxUpADD5jX9WeGX97z4LCGA@mail.gmail.com
Backpatch-through: 15
    @deanrasheed
    deanrasheed committed Jun 26, 2025
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  3. doc: Updates for RETURNING OLD/NEW. 

    Fix a couple of sentences in the documentation that were missed in
commit 80feb72.

Author: Dean Rasheed <[email protected]>
Reviewed-by: Robert Treat <[email protected]>
Discussion: https://postgr.es/m/CAEZATCUcqADJuapZSjPf2b6hFJ6AGOUwefRvh8Ht3UZoqqw69Q@mail.gmail.com
    @deanrasheed
    deanrasheed committed Jun 26, 2025
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  4. Make CREATE TABLE LIKE copy comments on NOT NULL constraints when req… 

    …uested.

Commit 14e87ff introduced support for adding comments to NOT NULL
constraints. However, CREATE TABLE LIKE INCLUDING COMMENTS did not copy
these comments to the new table. This was an oversight in that commit.

This commit corrects the behavior by ensuring CREATE TABLE LIKE to also copy
the comments on NOT NULL constraints when INCLUDING COMMENTS is specified.

Author: Jian He <[email protected]>
Co-authored-by: Álvaro Herrera <[email protected]>
Reviewed-by: Fujii Masao <[email protected]>
Discussion: https://postgr.es/m/[email protected]
    @MasaoFujii
    MasaoFujii and Álvaro Herrera committed Jun 26, 2025
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  5. pg_dump: include comments on valid not-null constraints, too 

    We were missing collecting comments for not-null constraints that are
dumped inline with the table definition (i.e., valid ones), because they
aren't represented by a separately dumpable object.  Fix by creating
separate TocEntries for the comments.

Co-Authored-By: Jian He <[email protected]>
Co-Authored-By: Álvaro Herrera <[email protected]>
Reported-By: Fujii Masao <[email protected]>
Reviewed-By: Fujii Masao <[email protected]>
Discussion: https://postgr.es/m/[email protected]
    @jianhe-fun
    Álvaro Herrera and jianhe-fun committed Jun 26, 2025
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  6. docs: fix typo

    Álvaro Herrera committed Jun 26, 2025
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  7. Fix typo in comment 

    Introduced by c2da1a5

Reported-by: Michael Paquier <[email protected]>
Discussion: https://postgr.es/m/[email protected]
    Álvaro Herrera committed Jun 26, 2025
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  8. Simplify vacuum VM update logging counters 

    We can simplify the VM counters added in dc6acfd to
lazy_vacuum_heap_page() and lazy_scan_new_or_empty().

We won't invoke lazy_vacuum_heap_page() unless there are dead line
pointers, so we know the page can't be all-visible.

In lazy_scan_new_or_empty(), we only update the VM if the page-level
hint PD_ALL_VISIBLE is clear, and the VM bit cannot be set if the page
level bit is clear because a subsequent page update would fail to clear
the visibility map bit.

Simplify the logic for determining which log counters to increment based
on this knowledge. Doing so is worthwhile because the old logic was
confusing and misguided.

Author: Melanie Plageman <[email protected]>
Reviewed-by: Nazir Bilal Yavuz <[email protected]>
Reviewed-by: Masahiko Sawada <[email protected]>
Discussion: https://postgr.es/m/flat/CAAKRu_a9w_n2mwY%3DG4LjfWTvRTJtjbfvnYAKi4WjO8QXHHrA0g%40mail.gmail.com
    @melanieplageman
    melanieplageman committed Jun 26, 2025
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  9. Remove unused check in heap_xlog_insert() 

    8e03eb9 reverted the commit 39b66a9 which allowed freezing
in the heap_insert() code path but forgot to remove the corresponding
check in heap_xlog_insert(). This code is extraneous but not harmful.
However, cleaning it up makes it very clear that, as of now, we do not
support any freezing of pages in the heap_insert() path.

Author: Melanie Plageman <[email protected]>
Reviewed-by: Tomas Vondra <[email protected]>
Discussion: https://postgr.es/m/flat/CAAKRu_Zp4Pi-t51OFWm1YZ-cctDfBhHCMZ%3DEx6PKxv0o8y2GvA%40mail.gmail.com
Backpatch-through: 14
    @melanieplageman
    melanieplageman committed Jun 26, 2025
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  10. Correct misleading error messages 

    Commit 7d6d2c4 dropped opcintype from the index AM strategy
translation API.  But some error messages about failed lookups still
mentioned it, even though it was not used for the lookup.  Fix by
removing ipcintype from the error messages as well.
    @petere
    petere committed Jun 26, 2025
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  11. libpq: Message style improvements

    @petere
    petere committed Jun 26, 2025
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