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path: root/src/backend/optimizer
AgeCommit message (Expand)Author
2007-02-09Replace useless uses of := by = in makefiles.Peter Eisentraut
2007-02-06Fix a performance regression in 8.2: optimization of MIN/MAX into indexscansTom Lane
2007-02-06Add support for cross-type hashing in hashed subplans (hashed IN/NOT IN casesTom Lane
2007-02-02Repair insufficiently careful type checking for SQL-language functions:Tom Lane
2007-02-01Wording cleanup for error messages. Also change can't -> cannot.Bruce Momjian
2007-01-30Add support for cross-type hashing in hash index searches and hash joins.Tom Lane
2007-01-28Repair oversight in creation of "append relations": we should set upTom Lane
2007-01-22Put back planner's ability to cache the results of mergejoinscansel(),Tom Lane
2007-01-22Add COST and ROWS options to CREATE/ALTER FUNCTION, plus underlying pg_procTom Lane
2007-01-21Refactor some lsyscache routines to eliminate duplicate code and saveTom Lane
2007-01-20Simplify pg_am representation of ordering-capable access methods:Tom Lane
2007-01-20Refactor planner's pathkeys data structure to create a separate, explicitTom Lane
2007-01-20Remove remains of old depend target.Peter Eisentraut
2007-01-17Add a note pointing out that is_pseudo_constant_clause() doesn't checkTom Lane
2007-01-10Change the planner-to-executor API so that the planner tells the executorTom Lane
2007-01-09Support ORDER BY ... NULLS FIRST/LAST, and add ASC/DESC/NULLS FIRST/NULLS LASTTom Lane
2007-01-08Tweak joinlist creation to avoid generating useless one-element subproblemsTom Lane
2007-01-08Remove cost_hashjoin's very ancient hack to discourage (once, entirely forbid)Tom Lane
2007-01-05Update CVS HEAD for 2007 copyright. Back branches are typically notBruce Momjian
2006-12-28Enable btree_predicate_proof() to make proofs involving cross-data-typeTom Lane
2006-12-24Code review for XML patch. Instill a bit of sanity in the location ofTom Lane
2006-12-23Restructure operator classes to allow improved handling of cross-data-typeTom Lane
2006-12-21Initial SQL/XML support: xml data type and initial set of functions.Peter Eisentraut
2006-12-18Set pg_am.amstrategies to zero for index AMs that don't have fixedTom Lane
2006-12-15Fix some planner bugs exposed by reports from Arjen van der Meijden. TheseTom Lane
2006-12-12Fix planner to do the right thing when a degenerate outer join (one whoseTom Lane
2006-12-10Add a paramtypmod field to Param nodes. This is dead weight for ParamsTom Lane
2006-12-07Repair incorrect placement of WHERE clauses when there are multiple,Tom Lane
2006-12-06Fix planning of SubLinks to ensure that Vars generated from transformation ofTom Lane
2006-11-11Suppress a few 'uninitialized variable' warnings that gcc emits only atTom Lane
2006-11-10Fix set_joinrel_size_estimates() to estimate outer-join sizes moreTom Lane
2006-10-25expression_tree_walker failed to let walker function see the immediate childTom Lane
2006-10-24Fix check for whether a clauseless join has to be forced in the presence ofTom Lane
2006-10-04pgindent run for 8.2.Bruce Momjian
2006-09-28Fix IS NULL and IS NOT NULL tests on row-valued expressions to conform toTom Lane
2006-09-19Improve usage of effective_cache_size parameter by assuming that all theTom Lane
2006-09-08Put back plan-time check for trying to apply SELECT FOR UPDATE/SHARETom Lane
2006-09-06Change processing of extended-Query mode so that an unnamed statementTom Lane
2006-08-28Tweak trivial_subqueryscan() to consider a SubqueryScan's targetlistTom Lane
2006-08-25Add the ability to create indexes 'concurrently', that is, withoutTom Lane
2006-08-19Suppress subquery pullup/pushdown when a subquery contains volatileTom Lane
2006-08-17Fix an oversight in mergejoin planning: the planner would reject aTom Lane
2006-08-17Teach convert_subquery_pathkeys() to handle the case where theTom Lane
2006-08-12Tweak SPI_cursor_open to allow INSERT/UPDATE/DELETE RETURNING; this wasTom Lane
2006-08-12Add INSERT/UPDATE/DELETE RETURNING, with basic docs and regression tests.Tom Lane
2006-08-10Fix UNION/INTERSECT/EXCEPT so that when two inputs being merged haveTom Lane
2006-08-05Fix inheritance_planner() to delete dummy subplans from its Append planTom Lane
2006-08-05Extend relation_excluded_by_constraints() to check for mutuallyTom Lane
2006-08-05Teach predicate_refuted_by() how to do proofs involving NOT-clauses.Tom Lane
2006-08-04Teach eval_const_expressions to simplify BooleanTest nodes that haveTom Lane
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