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Use a bitmapset instead of a list for duplicate-column checking in
authorTom Lane <tgl@sss.pgh.pa.us>
Sat, 26 Mar 2005 06:28:59 +0000 (06:28 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Sat, 26 Mar 2005 06:28:59 +0000 (06:28 +0000)
commitbb34970f91834b63b3fed44118f1996e5a062470
tree1ffe4ff314e7c29ac75a900997946ee6313b3b4b
parent9e5238137dcfbb6d1c5df47d7effb28d4849ba9c
Use a bitmapset instead of a list for duplicate-column checking in
checkInsertTargets().  Avoids O(N^2) behavior on wide target lists.
src/backend/parser/parse_target.c