Sameer Agarwal afd0debe07 [SPARK-14137] [SPARK-14150] [SQL] Infer IsNotNull constraints from non-nullable attributes ... ## What changes were proposed in this pull request? This PR adds support for automatically inferring `IsNotNull` constraints from any non-nullable attributes that are part of an operator's output. This also fixes the issue that causes the optimizer to hit the maximum number of iterations for certain queries in https://github.com/apache/spark/pull/11828. ## How was this patch tested? Unit test in `ConstraintPropagationSuite` Author: Sameer Agarwal <sameer@databricks.com> Closes #11953 from sameeragarwal/infer-isnotnull.		2016-03-25 12:57:26 -07:00
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src	[SPARK-14137] [SPARK-14150] [SQL] Infer IsNotNull constraints from non-nullable attributes	2016-03-25 12:57:26 -07:00
pom.xml	[SPARK-11565] Replace deprecated DigestUtils.shaHex call	2016-02-10 09:52:35 +00:00