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union.sql
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2025-11-06
Fix UNION planner estimate_num_groups with varno==0
David Rowley
2025-10-07
Teach planner to short-circuit EXCEPT/INTERSECT with dummy inputs
David Rowley
2025-10-07
Fix incorrect targetlist in dummy UNIONs
David Rowley
2025-10-04
Teach UNION planner to remove dummy inputs
David Rowley
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
2024-05-21
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
2024-04-01
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
2024-02-16
Attempt to stabilize flapping regression test
David Rowley
2024-01-15
Reduce dependency to money data type in main regression test suite
Michael Paquier
2023-10-10
Fix possible crash in add_paths_to_append_rel()
David Rowley
2023-10-05
Consider cheap startup paths in add_paths_to_append_rel
David Rowley
2021-09-08
Disable anonymous record hash support except in special cases
Peter Eisentraut
2020-11-19
Hash support for row types
Peter Eisentraut
2020-11-18
Add more tests for hashing and hash-based plans
Peter Eisentraut
2019-05-09
Repair issues with faulty generation of merge-append plans.
Tom Lane
2017-12-22
Fix UNION/INTERSECT/EXCEPT over no columns.
Tom Lane
2017-08-11
Add regression tests exercising the non-hashed code paths in nodeSetop.c.
Tom Lane
2017-04-07
Fix planner error (or assert trap) with nested set operations.
Tom Lane
2017-01-19
Fix Assert failure induced by commit 215b43cdc.
Tom Lane
2016-10-10
Make regression tests less dependent on hash table order.
Andres Freund
2014-06-26
Forward-patch regression test for "could not find pathkey item to sort".
Tom Lane
2014-03-28
Fix EquivalenceClass processing for nested append relations.
Tom Lane
2013-08-02
Fix crash in error report of invalid tuple lock
Alvaro Herrera
2013-07-08
Fix planning of parameterized appendrel paths with expensive join quals.
Tom Lane
2013-06-06
Prevent pushing down WHERE clauses into unsafe UNION/INTERSECT nests.
Tom Lane
2012-03-16
Revisit handling of UNION ALL subqueries with non-Var output columns.
Tom Lane
2012-01-29
Fix pushing of index-expression qualifications through UNION ALL.
Tom Lane
2009-12-16
Avoid a premature coercion failure in transformSetOperationTree() when
Tom Lane
2008-08-07
Support hashing for duplicate-elimination in INTERSECT and EXCEPT queries.
Tom Lane
2008-08-07
Teach the system how to use hashing for UNION. (INTERSECT/EXCEPT will follow,
Tom Lane
2003-11-02
Adjust data types in some of the UNION tests to avoid potentially
Tom Lane
2003-05-26
Cause CHAR(n) to TEXT or VARCHAR conversion to automatically strip trailing
Tom Lane
2000-11-09
Add some more union/intersect/except test cases, per suggestions
Tom Lane
2000-10-05
Reimplementation of UNION/INTERSECT/EXCEPT. INTERSECT/EXCEPT now meet the
Tom Lane
2000-01-06
Clean up header for uniform appearance throughout tests.
Thomas G. Lockhart
1998-05-29
Add test for UNION.
Thomas G. Lockhart
