granicus.if.org Git - postgresql/history - src/backend/optimizer/README

]> granicus.if.org Git - postgresql/history - src/backend/optimizer/README

[postgresql] / src / backend / optimizer / README

2011-02-20	Tom Lane	Implement an API to let foreign-data wrappers actually...	blob \| commitdiff \| raw
2010-10-29	Tom Lane	Avoid creation of useless EquivalenceClasses during...	blob \| commitdiff \| raw \| diff to current
2010-10-14	Tom Lane	Support MergeAppend plans, to allow sorted output from...	blob \| commitdiff \| raw \| diff to current
2010-09-20	Magnus Hagander	Remove cvs keywords from all files.	blob \| commitdiff \| raw \| diff to current
2010-08-19	Peter Eisentraut	Remove extra newlines at end and beginning of files...	blob \| commitdiff \| raw \| diff to current
2010-03-28	Tom Lane	Rework join-removal logic as per recent discussion...	blob \| commitdiff \| raw \| diff to current
2009-09-29	Tom Lane	Fix equivclass.c's not-quite-right strategy for handlin...	blob \| commitdiff \| raw \| diff to current
2009-09-17	Tom Lane	Implement "join removal" for cases where the inner...	blob \| commitdiff \| raw \| diff to current
2009-07-21	Tom Lane	Fix another semijoin-ordering bug. We already knew...	blob \| commitdiff \| raw \| diff to current
2009-02-27	Tom Lane	Tighten up join ordering rules to account for recent...	blob \| commitdiff \| raw \| diff to current
2008-08-14	Tom Lane	Implement SEMI and ANTI joins in the planner and execut...	blob \| commitdiff \| raw \| diff to current
2008-08-02	Tom Lane	Rearrange the querytree representation of ORDER BY...	blob \| commitdiff \| raw \| diff to current
2008-04-09	Bruce Momjian	Small wording improvements for source code READMEs.	blob \| commitdiff \| raw \| diff to current
2008-04-09	Bruce Momjian	Revert README cleanups.	blob \| commitdiff \| raw \| diff to current
2008-04-09	Bruce Momjian	Revert sentence removal from nickname in FAQ.	blob \| commitdiff \| raw \| diff to current
2008-03-21	Bruce Momjian	More README src cleanups.	blob \| commitdiff \| raw \| diff to current
2008-03-20	Bruce Momjian	Make source code READMEs more consistent. Add CVS...	blob \| commitdiff \| raw \| diff to current
2007-10-26	Tom Lane	Change have_join_order_restriction() so that we do...	blob \| commitdiff \| raw \| diff to current
2007-09-26	Tom Lane	Create a function variable "join_search_hook" to let...	blob \| commitdiff \| raw \| diff to current
2007-02-19	Tom Lane	Get rid of some old and crufty global variables in...	blob \| commitdiff \| raw \| diff to current
2007-02-16	Tom Lane	Restructure code that is responsible for ensuring that...	blob \| commitdiff \| raw \| diff to current
2007-02-13	Tom Lane	Repair bug in 8.2's new logic for planning outer joins...	blob \| commitdiff \| raw \| diff to current
2007-01-20	Tom Lane	Refactor planner's pathkeys data structure to create...	blob \| commitdiff \| raw \| diff to current
2006-07-01	Tom Lane	Revise the planner's handling of "pseudoconstant" WHERE...	blob \| commitdiff \| raw \| diff to current
2005-12-20	Tom Lane	Teach planner how to rearrange join order for some...	blob \| commitdiff \| raw \| diff to current
2005-06-09	Tom Lane	Simplify the planner's join clause management by storin...	blob \| commitdiff \| raw \| diff to current
2005-06-05	Tom Lane	Remove planner's private fields from Query struct,...	blob \| commitdiff \| raw \| diff to current
2005-04-21	Tom Lane	Rethink original decision to use AND/OR Expr nodes...	blob \| commitdiff \| raw \| diff to current
2003-12-30	Tom Lane	Instead of trying to force WHERE clauses into CNF or...	blob \| commitdiff \| raw \| diff to current
2003-01-20	Tom Lane	IN clauses appearing at top level of WHERE can now...	blob \| commitdiff \| raw \| diff to current
2003-01-15	Tom Lane	Allow merge and hash joins to occur on arbitrary expres...	blob \| commitdiff \| raw \| diff to current
2002-11-30	Tom Lane	Be more realistic about plans involving Materialize...	blob \| commitdiff \| raw \| diff to current
2002-11-06	Tom Lane	First phase of implementing hash-based grouping/aggrega...	blob \| commitdiff \| raw \| diff to current
2002-08-25	Bruce Momjian	Add Bob Devine's name to the optimizer README.	blob \| commitdiff \| raw \| diff to current
2002-05-12	Tom Lane	Get rid of long-since-vestigial Iter node type, in...	blob \| commitdiff \| raw \| diff to current
2001-10-18	Tom Lane	Extend code that deduces implied equality clauses to...	blob \| commitdiff \| raw \| diff to current
2001-01-17	Bruce Momjian	Move structure comments from the top block down to...	blob \| commitdiff \| raw \| diff to current
2000-12-14	Tom Lane	Planner speedup hacking. Avoid saving useless pathkeys...	blob \| commitdiff \| raw \| diff to current
2000-11-12	Tom Lane	Restructure handling of inheritance queries so that...	blob \| commitdiff \| raw \| diff to current
2000-09-29	Tom Lane	Subselects in FROM clause, per ISO syntax: FROM (SELECT...	blob \| commitdiff \| raw \| diff to current
2000-09-12	Tom Lane	First cut at full support for OUTER JOINs. There are...	blob \| commitdiff \| raw \| diff to current
2000-07-24	Tom Lane	Deduce equality constraints that are implied by transit...	blob \| commitdiff \| raw \| diff to current
2000-03-21	Tom Lane	Restructure planning code so that preprocessing of...	blob \| commitdiff \| raw \| diff to current
2000-02-15	Tom Lane	New cost model for planning, incorporating a penalty...	blob \| commitdiff \| raw \| diff to current
2000-02-07	Tom Lane	Repair planning bugs caused by my misguided removal...	blob \| commitdiff \| raw \| diff to current
1999-08-16	Tom Lane	Major planner/optimizer revision: get rid of PathOrder...	blob \| commitdiff \| raw \| diff to current
1999-02-19	Bruce Momjian	optimizer cleanup	blob \| commitdiff \| raw \| diff to current
1999-02-19	Bruce Momjian	optimizer cleanup	blob \| commitdiff \| raw \| diff to current
1999-02-15	Bruce Momjian	Update optimizer readme.	blob \| commitdiff \| raw \| diff to current
1999-02-09	Bruce Momjian	Major optimizer improvement for joining a large number...	blob \| commitdiff \| raw \| diff to current
1999-02-08	Bruce Momjian	Optimizer cleanup.	blob \| commitdiff \| raw \| diff to current
1999-02-04	Bruce Momjian	More optimizer cleanups.	blob \| commitdiff \| raw \| diff to current
1999-02-04	Bruce Momjian	More optimizer renaming HInfo -> HashInfo.	blob \| commitdiff \| raw \| diff to current
1999-02-03	Bruce Momjian	Optimizer rename ClauseInfo -> RestrictInfo. Update...	blob \| commitdiff \| raw \| diff to current
1998-08-10	Bruce Momjian	Cleanup optimizer function names and clarify code.	blob \| commitdiff \| raw \| diff to current
1998-08-07	Bruce Momjian	OPTIMIZER_DEBUG additions.	blob \| commitdiff \| raw \| diff to current
1997-12-18	Bruce Momjian	Cost cleanup.	blob \| commitdiff \| raw \| diff to current
1997-12-17	Bruce Momjian	Add optimizer README file.	blob \| commitdiff \| raw \| diff to current

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