[SQL] SPARK-1800 Add broadcast hash join operator - #734

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marmbrus wants to merge 4 commits into

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marmbrus:broadcastHashJoin

Commits on May 11, 2014

Copy records in executeCollect to avoid issues with mutable rows.
marmbrus
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a8420ca
Split out generic logic for hash joins and create two concrete physical operators: BroadcastHashJoin and ShuffledHashJoin.
marmbrus
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cf6b381
A simple strategy that broadcasts tables only when they are found in a configuration hint.
marmbrus
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76ca434

Commits on May 12, 2014

Formatting.
marmbrus
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a92ed0c