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
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bitmapset.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
execnodes.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
makefuncs.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
memnodes.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
nodeFuncs.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
nodes.h	Arrange for an explicit cast applied to an ARRAY[] constructor to be applied	2008-03-20 21:42:48 +00:00
params.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
parsenodes.h	Remove TypeName struct's timezone flag, which has been write-only storage	2008-03-21 22:41:48 +00:00
pg_list.h	Fix TransactionIdIsCurrentTransactionId() to use binary search instead of	2008-03-17 02:18:55 +00:00
plannodes.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
primnodes.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
print.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
readfuncs.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
relation.h	When a relation has been proven empty by constraint exclusion, propagate that	2008-03-24 21:53:04 +00:00
tidbitmap.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00
value.h	Update copyrights in source tree to 2008.	2008-01-01 19:46:01 +00:00