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author | Reynold Xin <rxin@databricks.com> | 2015-11-26 18:47:54 -0800 |
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committer | Reynold Xin <rxin@databricks.com> | 2015-11-26 18:47:54 -0800 |
commit | de28e4d4deca385b7c40b3a6a1efcd6e2fec2f9b (patch) | |
tree | b68065796214305105294eaf951c22e3630912f5 /docs | |
parent | ad76562390b81207f8f32491c0bd8ad0e020141f (diff) | |
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[SPARK-11973][SQL] Improve optimizer code readability.
This is a followup for https://github.com/apache/spark/pull/9959.
I added more documentation and rewrote some monadic code into simpler ifs.
Author: Reynold Xin <rxin@databricks.com>
Closes #9995 from rxin/SPARK-11973.
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