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postgresql/src/include/utils
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Tom Lane 9fd8843647 Fix mergejoin cost estimation so that we consider the statistical ranges of 
the two join variables at both ends: not only trailing rows that need not be
scanned because there cannot be a match on the other side, but initial rows
that will be scanned without possibly having a match.  This allows a more
realistic estimate of startup cost to be made, per recent pgsql-performance
discussion.  In passing, fix a couple of bugs that had crept into
mergejoinscansel: it was not quite up to speed for the task of estimating
descending-order scans, which is a new requirement in 8.3.
2007-12-08 21:05:11 +00:00
..
acl.h Tsearch2 functionality migrates to core. The bulk of this work is by 2007-08-21 01:11:32 +00:00
array.h Tweak the API for per-datatype typmodin functions so that they are passed 2007-06-15 20:56:52 +00:00
ascii.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
builtins.h Code review for LIKE ... INCLUDING INDEXES patch. Fix failure to propagate 2007-12-01 23:44:44 +00:00
cash.h Widen the money type to 64 bits. 2007-01-03 01:19:51 +00:00
catcache.h Rename DLLIMPORT macro to PGDLLIMPORT to avoid conflict with 2007-07-25 12:22:54 +00:00
combocid.h Combine cmin and cmax fields of HeapTupleHeaders into a single field, by 2007-02-09 03:35:35 +00:00
date.h Fix up hash functions for datetime datatypes so that they don't take 2007-07-06 04:16:00 +00:00
datetime.h Use "alternative" instead of "alternate" where it is clearer. 2007-11-07 12:24:24 +00:00
datum.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
dynahash.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
dynamic_loader.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
elog.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
errcodes.h Implement XMLSERIALIZE for real. Analogously, make the xml to text cast 2007-02-03 14:06:56 +00:00
flatfiles.h Standard pgindent run for 8.1. 2005-10-15 02:49:52 +00:00
fmgrtab.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
formatting.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
geo_decls.h Replace direct assignments to VARATT_SIZEP(x) with SET_VARSIZE(x, len). 2007-02-27 23:48:10 +00:00
guc.h Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
guc_tables.h Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
help_config.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
hsearch.h Fix dynahash.c to suppress hash bucket splits while a hash_seq_search() scan 2007-04-26 23:24:46 +00:00
inet.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
int8.h Downgrade implicit casts to text to be assignment-only, except for the ones 2007-06-05 21:31:09 +00:00
inval.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
logtape.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
lsyscache.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
memutils.h Rename DLLIMPORT macro to PGDLLIMPORT to avoid conflict with 2007-07-25 12:22:54 +00:00
nabstime.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
numeric.h Change on-disk representation of NUMERIC datatype so that the sign_dscale 2007-09-25 22:21:55 +00:00
palloc.h Rename DLLIMPORT macro to PGDLLIMPORT to avoid conflict with 2007-07-25 12:22:54 +00:00
pg_crc.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
pg_locale.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
pg_lzcompress.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
pg_rusage.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
plancache.h Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
portal.h Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
ps_status.h Add GUC update_process_title to control whether 'ps' display is updated 2006-06-27 22:16:44 +00:00
rel.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
relcache.h HOT updates. When we update a tuple without changing any of its indexed 2007-09-20 17:56:33 +00:00
resowner.h Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
selfuncs.h Fix mergejoin cost estimation so that we consider the statistical ranges of 2007-12-08 21:05:11 +00:00
syscache.h Tsearch2 functionality migrates to core. The bulk of this work is by 2007-08-21 01:11:32 +00:00
timestamp.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
tqual.h Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00
tuplesort.h Add a line to the EXPLAIN ANALYZE output for a Sort node, showing the 2007-05-04 21:29:53 +00:00
tuplestore.h Teach tuplestore.c to throw away data before the "mark" point when the caller 2007-05-21 17:57:35 +00:00
typcache.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
tzparser.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
uuid.h pgindent run for 8.3. 2007-11-15 21:14:46 +00:00
varbit.h Replace direct assignments to VARATT_SIZEP(x) with SET_VARSIZE(x, len). 2007-02-27 23:48:10 +00:00
xml.h Re-run pgindent with updated list of typedefs. (Updated README should 2007-11-15 22:25:18 +00:00