Kazuaki Ishizaki ea2fbf4197 [SPARK-22705][SQL] Case, Coalesce, and In use less global variables ... ## What changes were proposed in this pull request? This PR accomplishes the following two items. 1. Reduce # of global variables from two to one for generated code of `Case` and `Coalesce` and remove global variables for generated code of `In`. 2. Make lifetime of global variable local within an operation Item 1. reduces # of constant pool entries in a Java class. Item 2. ensures that an variable is not passed to arguments in a method split by `CodegenContext.splitExpressions()`, which is addressed by #19865. ## How was this patch tested? Added new tests into `PredicateSuite`, `NullExpressionsSuite`, and `ConditionalExpressionSuite`. Author: Kazuaki Ishizaki <ishizaki@jp.ibm.com> Closes #19901 from kiszk/SPARK-22705.		2017-12-07 20:55:35 +08:00
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src	[SPARK-22705][SQL] Case, Coalesce, and In use less global variables	2017-12-07 20:55:35 +08:00
pom.xml	[SPARK-22607][BUILD] Set large stack size consistently for tests to avoid StackOverflowError	2017-11-26 07:42:44 -06:00