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path: root/src/backend/optimizer
AgeCommit message (Expand)Author
2012-11-29Fix assorted bugs in CREATE/DROP INDEX CONCURRENTLY.Tom Lane
2012-11-26Fix SELECT DISTINCT with index-optimized MIN/MAX on inheritance trees.Tom Lane
2012-11-16Improve check_partial_indexes() to consider join clauses in proof attempts.Tom Lane
2012-11-01Limit the number of rel sets considered in consider_index_join_outer_rels.Tom Lane
2012-10-26Prefer actual constants to pseudo-constants in equivalence class machinery.Tom Lane
2012-10-18Fix planning of non-strict equivalence clauses above outer joins.Tom Lane
2012-10-12Make equal() ignore CoercionForm fields for better planning with casts.Tom Lane
2012-09-18Fix planning of btree index scans using ScalarArrayOpExpr quals.Tom Lane
2012-09-16Rethink heuristics for choosing index quals for parameterized paths.Tom Lane
2012-09-13Fix case of window function + aggregate + GROUP BY expression.Tom Lane
2012-09-08Fix PARAM_EXEC assignment mechanism to be safe in the presence of WITH.Tom Lane
2012-08-16Allow create_index_paths() to consider multiple join bitmapscan paths.Tom Lane
2012-08-15Resurrect the "last ditch" code path in join_search_one_level().Tom Lane
2012-07-21Account for SRFs in targetlists in planner rowcount estimates.Tom Lane
2012-07-10Refactor pattern_fixed_prefix() to avoid dealing in incomplete patterns.Tom Lane
2012-07-09Fix planner to pass correct collation to operator selectivity estimators.Tom Lane
2012-06-28Make UtilityContainsQuery recurse until it finds a non-utility Query.Tom Lane
2012-06-10Run pgindent on 9.2 source tree in preparation for first 9.3Bruce Momjian
2012-04-26Fix oversight in recent parameterized-path patch.Tom Lane
2012-04-26Fix planner's handling of RETURNING lists in writable CTEs.Tom Lane
2012-04-21Use fuzzy not exact cost comparison for the final tie-breaker in add_path.Tom Lane
2012-04-21Adjust join_search_one_level's handling of clauseless joins.Tom Lane
2012-04-19Revise parameterized-path mechanism to fix assorted issues.Tom Lane
2012-04-13Remove the "last ditch" code path in join_search_one_level().Tom Lane
2012-04-13Weaken the planner's tests for relevant joinclauses.Tom Lane
2012-04-12Fix cost estimation for indexscan filter conditions.Tom Lane
2012-03-27Add some infrastructure for contrib/pg_stat_statements.Tom Lane
2012-03-24Fix planner's handling of outer PlaceHolderVars within subqueries.Tom Lane
2012-03-23Refactor simplify_function et al to centralize argument simplification.Tom Lane
2012-03-23Code review for protransform patches.Tom Lane
2012-03-21Clean up compiler warnings from unused variables with asserts disabledPeter Eisentraut
2012-03-20Restructure SELECT INTO's parsetree representation into CreateTableAsStmt.Tom Lane
2012-03-16Improve commentary in match_pathkeys_to_index().Tom Lane
2012-03-16Revisit handling of UNION ALL subqueries with non-Var output columns.Tom Lane
2012-03-09Revise FDW planning API, again.Tom Lane
2012-03-07Expose an API for calculating catcache hash values.Tom Lane
2012-03-05Redesign PlanForeignScan API to allow multiple paths for a foreign table.Tom Lane
2012-03-02Allow child-relation entries to be made in ec_has_const EquivalenceClasses.Tom Lane
2012-02-28Fix thinko in new match_join_clauses_to_index() logic.Tom Lane
2012-02-14Preserve column names in the execution-time tupledesc for a RowExpr.Tom Lane
2012-02-14Allow LEAKPROOF functions for better performance of security views.Robert Haas
2012-02-02Allow spgist's text_ops to handle pattern-matching operators.Robert Haas
2012-01-29Fix pushing of index-expression qualifications through UNION ALL.Tom Lane
2012-01-29Fix handling of init_plans list in inheritance_planner().Tom Lane
2012-01-28Undo 8.4-era lobotomization of subquery pullup rules.Tom Lane
2012-01-28Use parameterized paths to generate inner indexscans more flexibly.Tom Lane
2012-01-01Update copyright notices for year 2012.Bruce Momjian
2011-12-30Revert "Remove troublesome Asserts in cost_mergejoin()."Tom Lane
2011-12-25Rethink representation of index clauses' mapping to index columns.Tom Lane
2011-12-23Improve planner's handling of duplicated index column expressions.Tom Lane