Antonio Jesus Navarro created SPARK-10485:
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Summary: IF expression is not correctly resolved when one of the
options have NullType
Key: SPARK-10485
URL: https://issues.apache.org/jira/browse/SPARK-10485
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.4.1
Reporter: Antonio Jesus Navarro
If we have this query:
{code}
SELECT IF(column > 1, 1, NULL) FROM T1
{code}
On Spark 1.4.1 we have this:
{code}
override lazy val resolved = childrenResolved && trueValue.dataType ==
falseValue.dataType
{code}
So if one of the types is NullType, the if expression is not resolved.
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