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| author | Daoyuan Wang <daoyuan.wang@intel.com> | 2015-08-21 12:21:51 -0700 |
|---|---|---|
| committer | Michael Armbrust <michael@databricks.com> | 2015-08-21 12:21:51 -0700 |
| commit | 3c462f5d87a9654c5a68fd658a40f5062029fd9a (patch) | |
| tree | 488f7775d106255ce70dcae0c47aedaf2b5310a1 /sql/catalyst/src | |
| parent | 708036c1de52d674ceff30ac465e1dcedeb8dde8 (diff) | |
| download | spark-3c462f5d87a9654c5a68fd658a40f5062029fd9a.tar.gz spark-3c462f5d87a9654c5a68fd658a40f5062029fd9a.tar.bz2 spark-3c462f5d87a9654c5a68fd658a40f5062029fd9a.zip | |
[SPARK-10130] [SQL] type coercion for IF should have children resolved first
Type coercion for IF should have children resolved first, or we could meet unresolved exception.
Author: Daoyuan Wang <daoyuan.wang@intel.com>
Closes #8331 from adrian-wang/spark10130.
Diffstat (limited to 'sql/catalyst/src')
| -rw-r--r-- | sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala index f2f2ba2f96..2cb067f4aa 100644 --- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala +++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala @@ -639,6 +639,7 @@ object HiveTypeCoercion { */ object IfCoercion extends Rule[LogicalPlan] { def apply(plan: LogicalPlan): LogicalPlan = plan resolveExpressions { + case e if !e.childrenResolved => e // Find tightest common type for If, if the true value and false value have different types. case i @ If(pred, left, right) if left.dataType != right.dataType => findTightestCommonTypeToString(left.dataType, right.dataType).map { widestType => |