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[SPARK-20186][SQL] BroadcastHint should use child's stats #17504

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[SPARK-20186][SQL] BroadcastHint should use child's stats #17504

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@wzhfy
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@wzhfy wzhfy commented Apr 1, 2017

What changes were proposed in this pull request?

BroadcastHint should use child's statistics and set isBroadcastable to true.

How was this patch tested?

Added a new stats estimation test for BroadcastHint.

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wzhfy commented Apr 1, 2017

cc @cloud-fan @gatorsmile

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SparkQA commented Apr 1, 2017

Test build #75443 has finished for PR 17504 at commit 3e790cf.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds no public classes.

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cloud-fan commented Apr 1, 2017

thanks, merging to master!

@asfgit asfgit closed this in 2287f3d Apr 1, 2017
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@wzhfy @SparkQA @cloud-fan