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Remove extra word from src/backend/optimizer/README

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Etsuro Fujita 2018-08-31 16:40:17 +09:00
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commit 2e39f69b66
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src/backend/optimizer/README
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@ -1109,7 +1109,7 @@ of joining relations.
Partitionwise aggregates/grouping 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, that belong to a given group must come from a single partition; therefore,
aggregation can be done completely separately for each partition. Otherwise, aggregation can be done completely separately for each partition. Otherwise,
partial aggregates can be computed for each partition, and then finalized partial aggregates can be computed for each partition, and then finalized