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| author | Dilip Biswal <dbiswal@us.ibm.com> | 2015-12-22 15:21:49 -0800 |
|---|---|---|
| committer | Yin Huai <yhuai@databricks.com> | 2015-12-22 15:21:49 -0800 |
| commit | b374a25831af031f461716c52b615665aa5392c2 (patch) | |
| tree | 593841d7f7c1532902b7a410fc1d22774ee6776e /docs | |
| parent | 575a1327976202614a6d3268918ae8dad49fcd72 (diff) | |
| download | spark-b374a25831af031f461716c52b615665aa5392c2.tar.gz spark-b374a25831af031f461716c52b615665aa5392c2.tar.bz2 spark-b374a25831af031f461716c52b615665aa5392c2.zip | |
[SPARK-12102][SQL] Cast a non-nullable struct field to a nullable field during analysis
Compare both left and right side of the case expression ignoring nullablity when checking for type equality.
Author: Dilip Biswal <dbiswal@us.ibm.com>
Closes #10156 from dilipbiswal/spark-12102.
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