Xingbo Jiang 3249c7ab49 [SPARK-28706][SQL] Allow cast null type to any types ... ## What changes were proposed in this pull request? #25242 proposed to disallow upcasting complex data types to string type, however, upcasting from null type to any types should still be safe. ## How was this patch tested? Add corresponding case in `CastSuite`. Closes #25425 from jiangxb1987/nullToString. Authored-by: Xingbo Jiang <xingbo.jiang@databricks.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com>		2019-08-13 19:02:04 +08:00
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benchmarks	[SPARK-25657][SQL][TEST] Refactor HashBenchmark to use main method	2018-10-07 09:49:37 -07:00
src	[SPARK-28706][SQL] Allow cast null type to any types	2019-08-13 19:02:04 +08:00
pom.xml	[SPARK-27521][SQL] Move data source v2 to catalyst module	2019-06-05 09:55:55 -07:00