GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/5714
[SPARK-7158] [SQL] Fix bug of cached data cannot be used in collect() after
cache()
When df.cache() method called, the `withCachedData` of `QueryExecution` has
been created, which mean it will not look up the cached tables when action
method called afterward.
Replace the lazy variable with method will fix this bug.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark SPARK-7158
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5714.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5714
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commit e2c429829e0525b72eaf0d2879d735ab75072c43
Author: Cheng Hao <[email protected]>
Date: 2015-04-27T07:16:50Z
fix bug of cached data isn't used afterward in DF
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