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| author | prigarg <prigarg@adobe.com> | 2016-10-12 10:14:45 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2016-10-12 10:14:45 -0700 |
| commit | d5580ebaa086b9feb72d5428f24c5b60cd7da745 (patch) | |
| tree | 95ee60a9d2347fff5e10e6e7c56bcf034035f92a /core/src/main | |
| parent | 8880fd13ef2b581f9c7190e7e3e6d24bc11b4ef7 (diff) | |
| download | spark-d5580ebaa086b9feb72d5428f24c5b60cd7da745.tar.gz spark-d5580ebaa086b9feb72d5428f24c5b60cd7da745.tar.bz2 spark-d5580ebaa086b9feb72d5428f24c5b60cd7da745.zip | |
[SPARK-17884][SQL] To resolve Null pointer exception when casting from empty string to interval type.
## What changes were proposed in this pull request?
This change adds a check in castToInterval method of Cast expression , such that if converted value is null , then isNull variable should be set to true.
Earlier, the expression Cast(Literal(), CalendarIntervalType) was throwing NullPointerException because of the above mentioned reason.
## How was this patch tested?
Added test case in CastSuite.scala
jira entry for detail: https://issues.apache.org/jira/browse/SPARK-17884
Author: prigarg <prigarg@adobe.com>
Closes #15449 from priyankagargnitk/SPARK-17884.
Diffstat (limited to 'core/src/main')
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