Tom Lane ddb2d78de0 Upgrade planner and executor to allow multiple hash keys for a hash join, ...

instead of only one.  This should speed up planning (only one hash path
to consider for a given pair of relations) as well as allow more effective
hashing, when there are multiple hashable joinclauses.

2002-11-30 00:08:22 +00:00

1.4 KiB

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