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| author | Takuya UESHIN <ueshin@happy-camper.st> | 2014-05-21 15:37:47 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@apache.org> | 2014-05-21 15:37:47 -0700 |
| commit | bb88875ad52e8209c25e8350af1fe4b7159086ae (patch) | |
| tree | 0f329afdad3773d89d67b45a702af90c647ff219 /docs/configuration.md | |
| parent | f18fd05b513b136363c94adb3e5b841f8bf48134 (diff) | |
| download | spark-bb88875ad52e8209c25e8350af1fe4b7159086ae.tar.gz spark-bb88875ad52e8209c25e8350af1fe4b7159086ae.tar.bz2 spark-bb88875ad52e8209c25e8350af1fe4b7159086ae.zip | |
[SPARK-1889] [SQL] Apply splitConjunctivePredicates to join condition while finding join ke...
...ys.
When tables are equi-joined by multiple-keys `HashJoin` should be used, but `CartesianProduct` and then `Filter` are used.
The join keys are paired by `And` expression so we need to apply `splitConjunctivePredicates` to join condition while finding join keys.
Author: Takuya UESHIN <ueshin@happy-camper.st>
Closes #836 from ueshin/issues/SPARK-1889 and squashes the following commits:
fe1c387 [Takuya UESHIN] Apply splitConjunctivePredicates to join condition while finding join keys.
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