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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-11-30 00:08:22 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-11-30 00:08:22 +0000 |
| commit | ddb2d78de0172b1f3a00c8e3bf35345af9952f43 (patch) | |
| tree | 75aaa2922e21b78514cd592241c1718a2e6a4ba8 /src/backend/parser/parse_expr.c | |
| parent | f68f11928d5c791873073c882775dae10283ff49 (diff) | |
| download | postgresql-ddb2d78de0172b1f3a00c8e3bf35345af9952f43.tar.gz postgresql-ddb2d78de0172b1f3a00c8e3bf35345af9952f43.zip | |
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.
Diffstat (limited to 'src/backend/parser/parse_expr.c')
0 files changed, 0 insertions, 0 deletions