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path: root/src/backend/optimizer
AgeCommit message (Expand)Author
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
2001-02-12Add // -> /* */ mapping to pgindent.Bruce Momjian
2001-02-03Fix inappropriate attempt to push down qual clauses into a view thatTom Lane
2001-01-27Don't crash if subquery appears multiple times in jointree. This shouldTom Lane
2001-01-24Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group.Bruce Momjian
2001-01-18Fix performance issue with qualifications on VIEWs: outer query shouldTom Lane
2001-01-17Change lcons(x, NIL) to makeList(x) where appropriate.Bruce Momjian
2001-01-17Move structure comments from the top block down to the line entries forBruce Momjian
2001-01-09Fix oversight in planning of GROUP queries: when an expression is usedTom Lane
2000-12-23Compute reasonable cost and output-row-count estimates for LIMIT planTom Lane
2000-12-18Make sure make_rels_by_clause_joins doesn't return multiple referencesTom Lane
2000-12-14Planner speedup hacking. Avoid saving useless pathkeys, so that pathTom Lane
2000-12-12Cache eval cost of qualification expressions in RestrictInfo nodes toTom Lane
2000-12-06Clean up handling of FOR UPDATE inside views and subselects ... make itTom Lane
2000-11-25Store current LC_COLLATE and LC_CTYPE settings in pg_control during initdb;Tom Lane
2000-11-23Ensure that mergejoin plan will be considered for FULL OUTER JOIN evenTom Lane
2000-11-21Put external declarations into header files.Peter Eisentraut
2000-11-21Fix erroneous handling of parameters at SubqueryScan plan nodes,Tom Lane
2000-11-16Change SearchSysCache coding conventions so that a reference count isTom Lane