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[SQL] SPARK-1800 Add broadcast hash join operator & associated hints. #1163

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concretevitamin wants to merge 18 commits into from
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[SQL] SPARK-1800 Add broadcast hash join operator & associated hints. #1163

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a8420ca
Copy records in executeCollect to avoid issues with mutable rows.
marmbrus May 11, 2014
cf6b381
Split out generic logic for hash joins and create two concrete physic…
marmbrus May 11, 2014
76ca434
A simple strategy that broadcasts tables only when they are found in …
marmbrus May 11, 2014
a92ed0c
Formatting.
marmbrus May 12, 2014
3e5d77c
WIP: giant and messy WIP.
concretevitamin Jun 18, 2014
0ad122f
Merge branch 'master' into auto-broadcast-hash-join
concretevitamin Jun 18, 2014
7c7158b
Prototype of auto conversion to broadcast hash join.
concretevitamin Jun 20, 2014
91461c2
Merge branch 'master' into auto-broadcast-hash-join
concretevitamin Jun 20, 2014
0e64b08
Scalastyle fix.
concretevitamin Jun 20, 2014
a4267be
Add test for broadcast hash join and related necessary refactorings:
concretevitamin Jun 24, 2014
6fd8443
Cut down size estimation related stuff.
concretevitamin Jun 24, 2014
a8a093e
Minor cleanups.
concretevitamin Jun 24, 2014
814b3bf
Merge branch 'master' into auto-broadcast-hash-join
concretevitamin Jun 24, 2014
ad6c7cc
Minor cleanups.
concretevitamin Jun 24, 2014
208d5f6
Make LeftSemiJoinHash mix in HashJoin.
concretevitamin Jun 24, 2014
440d277
Fixes to imports; add back requiredChildDistribution (lost when merging)
concretevitamin Jun 24, 2014
af080d7
Fix in joinIterators()'s next().
concretevitamin Jun 25, 2014
d0f4991
Fix bug in broadcast hash join & add test to cover it.
concretevitamin Jun 25, 2014
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Copy records in executeCollect to avoid issues with mutable rows.
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@marmbrus
marmbrus committed May 11, 2014
commit a8420ca0c4cbc5988607d0cd235ffeb2cb51d052
2 changes: 1 addition & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ abstract class SparkPlan extends QueryPlan[SparkPlan] with Logging {
/**
* Runs this query returning the result as an array.
*/
def executeCollect(): Array[Row] = execute().collect()
def executeCollect(): Array[Row] = execute().map(_.copy()).collect()

protected def buildRow(values: Seq[Any]): Row =
new GenericRow(values.toArray)
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