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author | Cheng Lian <lian@databricks.com> | 2015-11-03 10:07:45 -0800 |
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committer | Yin Huai <yhuai@databricks.com> | 2015-11-03 10:07:45 -0800 |
commit | ebf8b0b48deaad64f7ca27051caee763451e2623 (patch) | |
tree | a6b886faae5d98647e03a585c7da2b58624ad25e /docs/sparkr.md | |
parent | b2e4b314d989de8cad012bbddba703b31d8378a4 (diff) | |
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[SPARK-10978][SQL] Allow data sources to eliminate filters
This PR adds a new method `unhandledFilters` to `BaseRelation`. Data sources which implement this method properly may avoid the overhead of defensive filtering done by Spark SQL.
Author: Cheng Lian <lian@databricks.com>
Closes #9399 from liancheng/spark-10978.unhandled-filters.
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