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Tom Lane fd791e7b5a When a relation has been proven empty by constraint exclusion, propagate that 
knowledge up through any joins it participates in.  We were doing that already
in some special cases but not in the general case.  Also, defend against zero
row estimates for the input relations in cost_mergejoin --- this fix may have
eliminated the only scenario in which that can happen, but be safe.  Per
report from Alex Solovey.
2008-03-24 21:53:04 +00:00
..
backend When a relation has been proven empty by constraint exclusion, propagate that 2008-03-24 21:53:04 +00:00
bin More README src cleanups. 2008-03-21 13:23:29 +00:00
include When a relation has been proven empty by constraint exclusion, propagate that 2008-03-24 21:53:04 +00:00
interfaces Corrected version number. 2008-03-21 16:10:23 +00:00
makefiles Reorganize some of the exports list generation code. It seems that this 2008-02-26 10:45:24 +00:00
pl More README src cleanups. 2008-03-21 13:23:29 +00:00
port More README src cleanups. 2008-03-21 13:23:29 +00:00
template Use SYSV semaphores rather than POSIX on Darwin >= 6.0 (i.e., OS X 10.2 2007-09-26 00:32:46 +00:00
test More README src cleanups. 2008-03-21 13:23:29 +00:00
timezone More README src cleanups. 2008-03-21 13:23:29 +00:00
tools More README src cleanups. 2008-03-21 13:23:29 +00:00
tutorial More README src cleanups. 2008-03-21 13:23:29 +00:00
bcc32.mak Remove old-style win32 client-only visual c++ build infrastructure for everything except 2007-03-05 14:18:38 +00:00
DEVELOPERS Testing commit stuff 2006-07-10 15:50:02 +00:00
Makefile Catch all errors in for and while loops in makefiles. Don't ignore any 2008-03-18 16:24:50 +00:00
Makefile.global.in Upgrade to Autoconf 2.61: 2008-02-17 16:36:43 +00:00
Makefile.shlib Don't build the win32 support files in the all target, only in distprep and 2008-02-26 14:26:16 +00:00
nls-global.mk When merging PO files, take into consideration translations in other PO 2006-04-05 13:40:15 +00:00
win32.mak Update supported standalone VC++ version to 7.1+ only, and fix 2007-08-03 10:47:11 +00:00