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prepunion.c
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Author
2025-02-17
Implement Self-Join Elimination
Alexander Korotkov
2025-01-01
Update copyright for 2025
Bruce Momjian
2024-12-19
Improve planner's handling of SetOp plans.
Tom Lane
2024-12-19
Convert SetOp to read its inputs as outerPlan and innerPlan.
Tom Lane
2024-11-29
Fix typo in header comment for set_operation_ordered_results_useful
David Rowley
2024-11-19
Compare collations before merging UNION operations.
Tom Lane
2024-08-21
Treat number of disabled nodes in a path as a separate cost metric.
Robert Haas
2024-05-21
Fix generate_union_paths for non-sortable types.
REL_17_BETA1
Robert Haas
2024-05-21
Re-allow planner to use Merge Append to efficiently implement UNION.
Robert Haas
2024-05-20
Revert commit 66c0185a3 and follow-on patches.
Tom Lane
2024-05-06
Finish incomplete revert of ec63622c0.
Tom Lane
2024-04-18
Fix typos and duplicate words
Daniel Gustafsson
2024-04-01
Fix assert failure when planning setop subqueries with CTEs
David Rowley
2024-03-25
Allow planner to use Merge Append to efficiently implement UNION
David Rowley
2024-03-04
Remove unused #include's from backend .c files
Peter Eisentraut
2024-01-04
Update copyright for 2024
Bruce Momjian
2023-11-04
Fix usage of the parse tree for estimate_num_groups() in set operations
Alexander Korotkov
2023-01-02
Update copyright for 2023
Bruce Momjian
2022-10-05
Rename shadowed local variables
David Rowley
2022-08-25
More -Wshadow=compatible-local warning fixes
David Rowley
2022-07-21
Remove fls(), use pg_leftmost_one_pos32() instead.
Thomas Munro
2022-07-19
Estimate cost of elided SubqueryScan, Append, MergeAppend nodes better.
Tom Lane
2022-01-08
Update copyright for 2022
Bruce Momjian
2021-07-25
Get rid of artificial restriction on hash table sizes on Windows.
Tom Lane
2021-03-30
Allow estimate_num_groups() to pass back further details about the estimation
David Rowley
2021-02-01
Remove [Merge]AppendPath.partitioned_rels.
Tom Lane
2021-01-02
Update copyright for 2021
Bruce Momjian
2020-08-19
Suppress unnecessary RelabelType nodes in yet more cases.
Tom Lane
2020-07-29
Add hash_mem_multiplier GUC.
Peter Geoghegan
2020-07-29
Correct obsolete UNION hash aggs comment.
Peter Geoghegan
2020-03-18
Disk-based Hash Aggregation.
Jeff Davis
2020-01-01
Update copyrights for 2020
Bruce Momjian
2019-08-09
Cosmetic improvements in setup of planner's per-RTE arrays.
Tom Lane
2019-07-21
Speed up finding EquivalenceClasses for a given set of rels
David Rowley
2019-07-16
Fix inconsistencies and typos in the tree
Michael Paquier
2019-07-15
Represent Lists as expansible arrays, not chains of cons-cells.
Tom Lane
2019-05-22
Phase 2 pgindent run for v12.
Tom Lane
2019-04-05
Use Append rather than MergeAppend for scanning ordered partitions.
Tom Lane
2019-02-28
Standardize some more loops that chase down parallel lists.
Tom Lane
2019-01-13
Remove heapam.h include made superfluous by b60c3975990.
Andres Freund
2019-01-10
Move inheritance expansion code into its own file
Alvaro Herrera
2019-01-02
Update copyright for 2019
Bruce Momjian
2018-12-17
Remove extra semicolons.
Amit Kapila
2018-11-16
Redesign initialization of partition routing structures
Alvaro Herrera
2018-10-02
Change rewriter/planner/executor/plancache to depend on RTE rellockmode.
Tom Lane
2018-07-13
Improve performance of tuple conversion map generation
Heikki Linnakangas
2018-07-04
Remove dead code for temporary relations in partition planning
Michael Paquier
2018-06-26
Allow direct lookups of AppendRelInfo by child relid
Alvaro Herrera
2018-04-26
Post-feature-freeze pgindent run.
Tom Lane
2018-04-25
Prevent generation of bogus subquery scan paths.
Robert Haas
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