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path: root/src/backend/optimizer
AgeCommit message (Expand)Author
2001-11-12If the inputs of a UNION/INTERSECT/EXCEPT construct all agree on theTom Lane
2001-11-11In find_mergeclauses_for_pathkeys, it's okay to return multiple mergeTom Lane
2001-11-11sort_inner_and_outer needs a check to ensure that it's consumed all theTom Lane
2001-11-05New pgindent run with fixes suggested by Tom. Patch manually reviewed,Bruce Momjian
2001-11-02Add default expressions to INSERTs during planning, not during parseTom Lane
2001-10-30Fix problems with subselects used in GROUP BY expressions, per gripeTom Lane
2001-10-30Fix small problem Tom Lane found with pgindent run.Bruce Momjian
2001-10-28Another pgindent run. Fixes enum indenting, and improves #endifBruce Momjian
2001-10-25pgindent run on all C files. Java run to follow. initdb/regressionBruce Momjian
2001-10-18Extend code that deduces implied equality clauses to detect whether aTom Lane
2001-09-21Produce slightly saner-looking EXPLAIN output for a Result node.Tom Lane
2001-09-06Fix handling of pg_type.typdefault per bug report from Dave Blasby.Tom Lane
2001-08-21Restructure pg_opclass, pg_amop, and pg_amproc per previous discussions inTom Lane
2001-08-14Fix brokenness of nested EXCEPT/INTERSECT queries. prepunion was beingTom Lane
2001-08-06Modify partial-index-predicate applicability tester to test whetherTom Lane
2001-07-31Further thought shows that has_distinct_on_clause() needs to take muchTom Lane
2001-07-31Fix optimizer to not try to push WHERE clauses down into a sub-SELECT thatTom Lane
2001-07-16Do not push down quals into subqueries that have LIMIT/OFFSET clauses,Tom Lane
2001-07-16Partial indexes work again, courtesy of Martijn van Oosterhout.Tom Lane
2001-07-15Restructure index AM interface for index building and index tuple deletion,Tom Lane
2001-06-25Optimizer can now estimate selectivity of IS NULL, IS NOT NULL,Tom Lane
2001-06-19Add IS UNKNOWN, IS NOT UNKNOWN boolean tests, fix the existing booleanTom Lane
2001-06-17Make inet/cidr << and <<= operators indexable. From Alex Pilosov <alex@pilos...Tom Lane
2001-06-11Make planner compute the number of hash buckets the same way thatTom Lane
2001-06-10Fix thinko in hash cost estimation: average frequencyTom Lane
2001-06-05Improve planning of OR indexscan plans: for quals likeTom Lane
2001-06-05Further work on making use of new statistics in planner. Adjust APIsTom Lane
2001-06-03Mark many strings in backend not covered by elog for translation. Also,Peter Eisentraut
2001-05-20Modify optimizer data structures so that IndexOptInfo lists built forTom Lane
2001-05-14Current implementation of FOR UPDATE has no hope of working correctlyTom Lane
2001-05-09First cut at making indexscan cost estimates depend on correlationTom Lane
2001-05-09Cause planner to make use of average-column-width statistic that is nowTom Lane
2001-05-08Add newlines around debug output in optimizer showing total costs.Bruce Momjian
2001-05-07Rewrite of planner statistics-gathering code. ANALYZE is now available asTom Lane
2001-04-30Suppress pull-up of subqueries that are in the nullable side of an outerTom Lane
2001-04-25Tweak nestloop costing to weight restart cost of inner path more heavily.Tom Lane
2001-04-18Make the world safe for passing whole rows of views to functions. ThisTom Lane
2001-04-16Avoid reversing user-given order of WHERE clauses while attaching clausesTom Lane
2001-04-15Prevent generation of invalid plans for RIGHT or FULL joins with multipleTom Lane
2001-04-01Planner wasn't correctly handling adjustment of tuple_fraction for theTom Lane
2001-03-27Quick hack to fix Oliver Elphick's problem with subselects in anTom Lane
2001-03-27Repair pgindent damage to comments.Tom Lane
2001-03-23Fix comments that were mis-wrapped, for Tom Lane.Bruce Momjian
2001-03-22Remove dashes in comments that don't need them, rewrap with pgindent.Bruce Momjian
2001-03-22pgindent run. Make it all clean.Bruce Momjian
2001-03-08A subplan invoked within an aggregate function's argument shouldTom Lane
2001-02-16Clean up two rather nasty bugs in operator selection code.Tom Lane
2001-02-16Take OUTER JOIN semantics into account when estimating the size of joinTom Lane
2001-02-15Update a couple of obsolete comments.Tom Lane
2001-02-12CleanupBruce Momjian