[Firebird-checkins] [FirebirdSQL/firebird] 7d28a4: Refactor join types (#8606)

[Dmitry Y. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/FirebirdSQL/firebird
  Commit: 7d28a48291b6e639a9e24267c349ae9e11f2627c
      https://github.com/FirebirdSQL/firebird/commit/7d28a48291b6e639a9e24267c349ae9e11f2627c
  Author: Dmitry Yemanov <dye...@us...>
  Date:   2025-06-21 (Sat, 21 Jun 2025)

  Changed paths:
    M src/jrd/RecordSourceNodes.cpp
    M src/jrd/RecordSourceNodes.h
    M src/jrd/optimizer/InnerJoin.cpp
    M src/jrd/optimizer/Optimizer.cpp
    M src/jrd/optimizer/Optimizer.h
    M src/jrd/par.cpp
    M src/jrd/recsrc/FullOuterJoin.cpp
    M src/jrd/recsrc/HashJoin.cpp
    M src/jrd/recsrc/MergeJoin.cpp
    M src/jrd/recsrc/NestedLoopJoin.cpp
    M src/jrd/recsrc/RecordSource.h

  Log Message:
  -----------
  Refactor join types (#8606)

* Refactor join types in RSE and RecordSource. Stricter processing of special joins. The optimizer is mostly ready for anti-joins.

* Postfixes for special joins

* Follow Adriano's suggestion

* Further refactoringof the joins: move common code into the base class

* Correction



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