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author | Wenchen Fan <wenchen@databricks.com> | 2016-03-08 13:46:17 -0800 |
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committer | Yin Huai <yhuai@databricks.com> | 2016-03-08 13:46:17 -0800 |
commit | d5ce61722f2aa4167a8344e1664b000c70d5a3f8 (patch) | |
tree | 78a58210531a5f7cc04d6c09e9ec2f55dc421187 /extras | |
parent | 9740954f3feb9878cd263feca4aae628e1457f8b (diff) | |
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[SPARK-13740][SQL] add null check for _verify_type in types.py
## What changes were proposed in this pull request?
This PR adds null check in `_verify_type` according to the nullability information.
## How was this patch tested?
new doc tests
Author: Wenchen Fan <wenchen@databricks.com>
Closes #11574 from cloud-fan/py-null-check.
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