CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: [EMAIL PROTECTED] 03/12/17 20:22:12
Modified files:
src/backend/optimizer/path: indxpath.c
Log message:
Be a little smarter in group_clauses_by_indexkey_for_join: detect cases
where a joinclause is redundant with a restriction clause. Original coding
believed this was impossible and didn't need to be checked for, but that
was a thinko ...
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
