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authorReynold Xin <rxin@apache.org>2014-10-13 11:50:42 -0700
committerMichael Armbrust <michael@databricks.com>2014-10-13 11:50:42 -0700
commit39ccabacf11abdd9afc8f9895084c6707ff35c85 (patch)
treed4d7b047111879f874605e04994f8c7a4196c892 /python
parent942847fd94c920f7954ddf01f97263926e512b0e (diff)
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[SPARK-3861][SQL] Avoid rebuilding hash tables for broadcast joins on each partition
Author: Reynold Xin <rxin@apache.org> Closes #2727 from rxin/SPARK-3861-broadcast-hash-2 and squashes the following commits: 9c7b1a2 [Reynold Xin] Revert "Reuse CompactBuffer in UniqueKeyHashedRelation." 97626a1 [Reynold Xin] Reuse CompactBuffer in UniqueKeyHashedRelation. 7fcffb5 [Reynold Xin] Make UniqueKeyHashedRelation private[joins]. 18eb214 [Reynold Xin] Merge branch 'SPARK-3861-broadcast-hash' into SPARK-3861-broadcast-hash-1 4b9d0c9 [Reynold Xin] UniqueKeyHashedRelation.get should return null if the value is null. e0ebdd1 [Reynold Xin] Added a test case. 90b58c0 [Reynold Xin] [SPARK-3861] Avoid rebuilding hash tables on each partition 0c0082b [Reynold Xin] Fix line length. cbc664c [Reynold Xin] Rename join -> joins package. a070d44 [Reynold Xin] Fix line length in HashJoin a39be8c [Reynold Xin] [SPARK-3857] Create a join package for various join operators.
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