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base repository: postgresql-cfbot/postgresql
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  • 5 commits
  • 76 files changed
  • 2 contributors

Commits on Mar 12, 2025

  1. Add without_portion GiST support proc 

    This new support proc is used by UPDATE/DELETE FOR PORTION OF to
compute leftovers that weren't touched by the UPDATE/DELETE. This
commit defines implementations for ranges and multiranges.

The procs return SETOF their input type and work like minus but don't
fail on splits. The results never contain empty elements.

Author: Paul Jungwirth
    @pjungwir
    pjungwir authored and Commitfest Bot committed Mar 12, 2025
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  2. Add UPDATE/DELETE FOR PORTION OF 

    - Added bison support for FOR PORTION OF syntax. The bounds must be
  constant, so we forbid column references, subqueries, etc. We do
  accept functions like NOW().
- Added logic to executor to insert new rows for the "leftover" part of
  a record touched by a FOR PORTION OF query.
- Added tg_temporal descriptor to the TriggerData struct that we pass to
  trigger functions. Our foreign key triggers use this to learn what
  bounds were given in the FOR PORTION OF clause.
- Documented FOR PORTION OF.
- Documented tg_temporal struct.
- Added tests.

Author: Paul Jungwirth
    @pjungwir
    pjungwir authored and Commitfest Bot committed Mar 12, 2025
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  3. Add CASCADE/SET NULL/SET DEFAULT for temporal foreign keys 

    Previously we raised an error for these options, because their
implementations require FOR PORTION OF. Now that we have temporal
UPDATE/DELETE, we can implement foreign keys that use it.

Author: Paul Jungwirth
    @pjungwir
    pjungwir authored and Commitfest Bot committed Mar 12, 2025
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  4. Expose FOR PORTION OF to plpgsql triggers 

    It is helpful for triggers to see what the FOR PORTION OF clause
specified: both the column/period name and the targeted bounds. Our RI
triggers require this information, and we are passing it as part of the
TriggerData struct. This commit allows plpgsql triggers functions to
access the same information, using the new TG_PORTION_COLUMN and
TG_PORTION_TARGET variables.

Author: Paul Jungwirth
    @pjungwir
    pjungwir authored and Commitfest Bot committed Mar 12, 2025
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  5. [CF 4308] v49 - SQL:2011 application time 

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

https://commitfest.postgresql.org/patch/4308

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): Paul Jungwirth
    Commitfest Bot committed Mar 12, 2025
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