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eb34ffc15b
postgresql/contrib/ltree
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Tom Lane f4230d2937 Change patternsel() so that instead of switching from a pure 
pattern-examination heuristic method to purely histogram-driven selectivity at
histogram size 100, we compute both estimates and use a weighted average.
The weight put on the heuristic estimate decreases linearly with histogram
size, dropping to zero for 100 or more histogram entries.
Likewise in ltreeparentsel().  After a patch by Greg Stark, though I
reorganized the logic a bit to give the caller of histogram_selectivity()
more control.
2008-03-09 00:32:09 +00:00
..
data
expected Fix a few contrib regression test scripts that hadn't gotten the word 2007-11-13 06:29:04 +00:00
sql Fix a few contrib regression test scripts that hadn't gotten the word 2007-11-13 06:29:04 +00:00
_ltree_gist.c Run pgindent on remaining files now that LOOPBYTE is a usable macro. 2007-11-16 01:12:24 +00:00
_ltree_op.c Fix up several contrib modules that were using varlena datatypes in not-so-obvious 2007-02-28 22:44:38 +00:00
crc32.c Fix compile warning on Solaris, per buildfarm. (Why have we got 2007-07-15 22:40:28 +00:00
crc32.h
lquery_op.c
ltree_gist.c Run pgindent on remaining files now that LOOPBYTE is a usable macro. 2007-11-16 01:12:24 +00:00
ltree_io.c Fix up several contrib modules that were using varlena datatypes in not-so-obvious 2007-02-28 22:44:38 +00:00
ltree_op.c Change patternsel() so that instead of switching from a pure 2008-03-09 00:32:09 +00:00
ltree.h Modify LOOPBYTE/LOOPBIT macros to be more logical; rather than have the 2007-11-16 00:13:02 +00:00
ltree.sql.in Add CVS version labels to all install/uninstall scripts. 2007-11-13 04:24:29 +00:00
ltreetest.sql Add CVS version labels to all install/uninstall scripts. 2007-11-13 04:24:29 +00:00
ltxtquery_io.c Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
ltxtquery_op.c Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
Makefile Remove references to READMEs from /contrib Makefiles. 2007-11-10 23:59:52 +00:00
uninstall_ltree.sql Add CVS version labels to all install/uninstall scripts. 2007-11-13 04:24:29 +00:00