Wenchen Fan 789bdbe3d0 [SPARK-20688][SQL] correctly check analysis for scalar sub-queries ... ## What changes were proposed in this pull request? In `CheckAnalysis`, we should call `checkAnalysis` for `ScalarSubquery` at the beginning, as later we will call `plan.output` which is invalid if `plan` is not resolved. ## How was this patch tested? new regression test Author: Wenchen Fan <wenchen@databricks.com> Closes #17930 from cloud-fan/tmp.		2017-05-10 19:30:00 +08:00
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main	[SPARK-20393][WEBU UI] Strengthen Spark to prevent XSS vulnerabilities	2017-05-10 10:59:57 +01:00
test	[SPARK-20688][SQL] correctly check analysis for scalar sub-queries	2017-05-10 19:30:00 +08:00