Log Message: ----------- Tweak planner to use a minimum size estimate of 10 pages for a never-yet-vacuumed relation. This restores the pre-8.0 behavior of avoiding seqscans during initial data loading, while still allowing reasonable optimization after a table has been vacuumed. Several regression test cases revert to 7.4-like behavior, which is probably a good sign. Per gripes from Keith Browne and others. Tags: ---- REL8_0_STABLE Modified Files: -------------- pgsql/src/backend/optimizer/util: plancat.c (r1.100 -> r1.100.4.1) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/util/plancat.c.diff?r1=1.100&r2=1.100.4.1) pgsql/src/test/regress/expected: join.out (r1.22 -> r1.22.4.1) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/join.out.diff?r1=1.22&r2=1.22.4.1) polymorphism.out (r1.6 -> r1.6.4.1) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/polymorphism.out.diff?r1=1.6&r2=1.6.4.1) rules.out (r1.95 -> r1.95.4.1) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/rules.out.diff?r1=1.95&r2=1.95.4.1)
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