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Tom Lane a536ed53bc Make use of statistics on index expressions. There are still some ... corner cases that could stand improvement, but it does all the basic stuff. A byproduct is that the selectivity routines are no longer constrained to working on simple Vars; we might in future be able to improve the behavior for subexpressions that don't match indexes.		22 years ago
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clauses.h	Improve UniquePath logic to detect the case where the input is already	22 years ago
cost.h	Add the ability to extract OR indexscan conditions from OR-of-AND	22 years ago
geqo.h	Revise GEQO planner to make use of some heuristic knowledge about SQL, namely	22 years ago
geqo_copy.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
geqo_gene.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
geqo_misc.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
geqo_mutation.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
geqo_pool.h	Revise GEQO planner to make use of some heuristic knowledge about SQL, namely	22 years ago
geqo_random.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
geqo_recombination.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
geqo_selection.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
joininfo.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
pathnode.h	Make use of statistics on index expressions. There are still some	22 years ago
paths.h	Adjust indexscan planning logic to keep RestrictInfo nodes associated	22 years ago
plancat.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
planmain.h	When testing whether a sub-plan can do projection, use a general-purpose	22 years ago
planner.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
prep.h	Clean up the usage of canonicalize_qual(): in particular, be consistent	22 years ago
restrictinfo.h	Adjust indexscan planning logic to keep RestrictInfo nodes associated	22 years ago
subselect.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
tlist.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago
var.h	make sure the $Id tags are converted to $PostgreSQL as well ...	22 years ago