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* Change have_join_order_restriction() so that we do not force a clauseless joinTom Lane2007-10-261-3/+3
* Create a function variable "join_search_hook" to let plugins override theTom Lane2007-09-261-6/+7
* Get rid of some old and crufty global variables in the planner. WhenTom Lane2007-02-191-1/+4
* Restructure code that is responsible for ensuring that clauseless joins areTom Lane2007-02-161-6/+10
* Repair bug in 8.2's new logic for planning outer joins: we have to allow joinsTom Lane2007-02-131-2/+2
* Refactor planner's pathkeys data structure to create a separate, explicitTom Lane2007-01-201-207/+244
* Revise the planner's handling of "pseudoconstant" WHERE clauses, that isTom Lane2006-07-011-1/+1
* Teach planner how to rearrange join order for some classes of OUTER JOIN.Tom Lane2005-12-201-24/+95
* Simplify the planner's join clause management by storing join clausesTom Lane2005-06-091-6/+4
* Remove planner's private fields from Query struct, and put them intoTom Lane2005-06-051-0/+2
* Rethink original decision to use AND/OR Expr nodes to represent bitmapTom Lane2005-04-211-0/+1
* Instead of trying to force WHERE clauses into CNF or DNF normal form,Tom Lane2003-12-301-8/+4
* IN clauses appearing at top level of WHERE can now be handled as joins.Tom Lane2003-01-201-0/+1
* Allow merge and hash joins to occur on arbitrary expressions (anything notTom Lane2003-01-151-2/+4
* Be more realistic about plans involving Materialize nodes: take theirTom Lane2002-11-301-1/+2
* First phase of implementing hash-based grouping/aggregation. An AGG planTom Lane2002-11-061-10/+11
* Add Bob Devine's name to the optimizer README.Bruce Momjian2002-08-251-0/+5
* Get rid of long-since-vestigial Iter node type, in favor of adding aTom Lane2002-05-121-1/+2
* Extend code that deduces implied equality clauses to detect whether aTom Lane2001-10-181-0/+17
* Move structure comments from the top block down to the line entries forBruce Momjian2001-01-171-1/+1
* Planner speedup hacking. Avoid saving useless pathkeys, so that pathTom Lane2000-12-141-15/+26
* Restructure handling of inheritance queries so that they work with outerTom Lane2000-11-121-10/+11
* Subselects in FROM clause, per ISO syntax: FROM (SELECT ...) [AS] alias.Tom Lane2000-09-291-76/+126
* First cut at full support for OUTER JOINs. There are still a few looseTom Lane2000-09-121-8/+20
* Deduce equality constraints that are implied by transitivity ofTom Lane2000-07-241-4/+184
* Restructure planning code so that preprocessing of targetlist and qualsTom Lane2000-03-211-7/+14
* New cost model for planning, incorporating a penalty for random pageTom Lane2000-02-151-1/+1
* Repair planning bugs caused by my misguided removal of restrictinfo linkTom Lane2000-02-071-69/+79
* Major planner/optimizer revision: get rid of PathOrder node type,Tom Lane1999-08-161-37/+96
* optimizer cleanupBruce Momjian1999-02-191-1/+3
* optimizer cleanupBruce Momjian1999-02-191-7/+9
* Update optimizer readme.Bruce Momjian1999-02-151-60/+64
* Major optimizer improvement for joining a large number of tables.Bruce Momjian1999-02-091-23/+47
* Optimizer cleanup.Bruce Momjian1999-02-081-0/+8
* More optimizer cleanups.Bruce Momjian1999-02-041-5/+17
* More optimizer renaming HInfo -> HashInfo.Bruce Momjian1999-02-041-5/+6
* Optimizer rename ClauseInfo -> RestrictInfo. Update optimizer README.Bruce Momjian1999-02-031-2/+12
* Cleanup optimizer function names and clarify code.Bruce Momjian1998-08-101-1/+24
* OPTIMIZER_DEBUG additions.Bruce Momjian1998-08-071-0/+1
* Cost cleanup.Bruce Momjian1997-12-181-1/+1
* Add optimizer README file.Bruce Momjian1997-12-171-0/+66
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