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JIRA: https://issues.apache.org/jira/browse/SPARK-8794 Currently `PrunedScan` works only when followed by project or filter operations. However, even if there is a `Sample` between these operations and `PrunedScan`, `PrunedScan` should work too. Author: Liang-Chi Hsieh <viirya@appier.com> Author: Liang-Chi Hsieh <viirya@gmail.com> Closes #7228 from viirya/sample_prunedscan and squashes the following commits: ede7cd8 [Liang-Chi Hsieh] Keep PrunedScanSuite untouched. 6f05d30 [Liang-Chi Hsieh] Move unit test to FilterPushdownSuite. 5f32473 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into sample_prunedscan 7e4ba76 [Liang-Chi Hsieh] Use Optimzier for push down projection and filter. 0686830 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into sample_prunedscan df82785 [Liang-Chi Hsieh] Make PrunedScan work on Sample. |
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