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| author | Etsuro Fujita <efujita@postgresql.org> | 2018-08-31 16:40:17 +0900 |
|---|---|---|
| committer | Etsuro Fujita <efujita@postgresql.org> | 2018-08-31 16:40:17 +0900 |
| commit | 2e39f69b6621bd3d67f650a5647fd0412819712d (patch) | |
| tree | 999098555be5e998c6cfbce494f6c69ef525af9e | |
| parent | 7061e03319d9a31f02d3777ca856b6c33e7a0967 (diff) | |
| download | postgresql-2e39f69b6621bd3d67f650a5647fd0412819712d.tar.gz postgresql-2e39f69b6621bd3d67f650a5647fd0412819712d.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 |