Lianhui Wang 5ad68ba5ce [SPARK-15752][SQL] Optimize metadata only query that has an aggregate whose children are deterministic project or filter operators. ... ## What changes were proposed in this pull request? when query only use metadata (example: partition key), it can return results based on metadata without scanning files. Hive did it in HIVE-1003. ## How was this patch tested? add unit tests Author: Lianhui Wang <lianhuiwang09@gmail.com> Author: Wenchen Fan <wenchen@databricks.com> Author: Lianhui Wang <lianhuiwang@users.noreply.github.com> Closes #13494 from lianhuiwang/metadata-only.		2016-07-12 18:52:15 +02:00
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java/org/apache/spark/sql/hive	[SPARK-15171][SQL] Remove the references to deprecated method dataset.registerTempTable	2016-05-18 09:01:59 +08:00
resources	[SPARK-15887][SQL] Bring back the hive-site.xml support for Spark 2.0	2016-06-13 14:57:35 -07:00
scala/org/apache/spark/sql	[SPARK-15752][SQL] Optimize metadata only query that has an aggregate whose children are deterministic project or filter operators.	2016-07-12 18:52:15 +02:00