Log Message: ----------- Improve hash join to discard input tuples immediately if they can't match because they contain a null join key (and the join operator is known strict). Improves performance significantly when the inner relation contains a lot of nulls, as per bug #2930. Modified Files: -------------- pgsql/src/backend/executor: nodeHash.c (r1.108 -> r1.109) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeHash.c.diff?r1=1.108&r2=1.109) nodeHashjoin.c (r1.86 -> r1.87) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeHashjoin.c.diff?r1=1.86&r2=1.87) pgsql/src/include/executor: hashjoin.h (r1.42 -> r1.43) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/executor/hashjoin.h.diff?r1=1.42&r2=1.43) nodeHash.h (r1.42 -> r1.43) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/executor/nodeHash.h.diff?r1=1.42&r2=1.43)
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