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| author | Etsuro Fujita <efujita@postgresql.org> | 2018-08-31 16:42:30 +0900 |
|---|---|---|
| committer | Etsuro Fujita <efujita@postgresql.org> | 2018-08-31 16:42:30 +0900 |
| commit | 40e981391395ae93aadfaf08cd343af65cc6252b (patch) | |
| tree | ba7204279c0ab634ce492f37ee76476cdd917feb | |
| parent | a840a8ac7b8ab5f8cb86627779d7b1250cdaca8d (diff) | |
| download | postgresql-40e981391395ae93aadfaf08cd343af65cc6252b.tar.gz postgresql-40e981391395ae93aadfaf08cd343af65cc6252b.zip | |
Remove extra word from src/backend/optimizer/README
| -rw-r--r-- | src/backend/optimizer/README | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/optimizer/README b/src/backend/optimizer/README index 0db3d36208d..9c852a15ef0 100644 --- a/src/backend/optimizer/README +++ b/src/backend/optimizer/README @@ -1109,7 +1109,7 @@ of joining relations. Partitionwise aggregates/grouping --------------------------------- -If the GROUP BY clause has contains all of the partition keys, all the rows +If the GROUP BY clause contains all of the partition keys, all the rows that belong to a given group must come from a single partition; therefore, aggregation can be done completely separately for each partition. Otherwise, partial aggregates can be computed for each partition, and then finalized |