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| author | Ioana Delaney <ioanamdelaney@gmail.com> | 2017-04-05 18:02:53 -0700 |
|---|---|---|
| committer | Xiao Li <gatorsmile@gmail.com> | 2017-04-05 18:02:53 -0700 |
| commit | 4000f128b7101484ba618115504ca916c22fa84a (patch) | |
| tree | 31875040b5a4d905e79b10128a459a635eb11a36 /docs | |
| parent | 12206058e8780e202c208b92774df3773eff36ae (diff) | |
| download | spark-4000f128b7101484ba618115504ca916c22fa84a.tar.gz spark-4000f128b7101484ba618115504ca916c22fa84a.tar.bz2 spark-4000f128b7101484ba618115504ca916c22fa84a.zip | |
[SPARK-20231][SQL] Refactor star schema code for the subsequent star join detection in CBO
## What changes were proposed in this pull request?
This commit moves star schema code from ```join.scala``` to ```StarSchemaDetection.scala```. It also applies some minor fixes in ```StarJoinReorderSuite.scala```.
## How was this patch tested?
Run existing ```StarJoinReorderSuite.scala```.
Author: Ioana Delaney <ioanamdelaney@gmail.com>
Closes #17544 from ioana-delaney/starSchemaCBOv2.
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