fix type check

Author: mgaido91

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala

@@ -39,6 +39,7 @@ trait BinaryArrayExpressionWithImplicitCast extends BinaryExpression
   override def inputTypes: Seq[AbstractDataType] = {
     TypeCoercion.findWiderTypeForTwo(left.dataType, right.dataType) match {
       case Some(arrayType) => Seq(arrayType, arrayType)
+      case None => Seq.empty
     }
   }
 

sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala

@@ -425,8 +425,10 @@ class DataFrameFunctionsSuite extends QueryTest with SharedSQLContext {
     checkAnswer(df.select(arrays_overlap(df("a"), df("b"))), answer)
     checkAnswer(df.selectExpr("arrays_overlap(a, b)"), answer)
 
+    checkAnswer(sql("select arrays_overlap(array(1, 2, 3), array('a', 'b', 'c'))"), Row(false))
+
     intercept[AnalysisException] {
-      df.selectExpr("arrays_overlap(array(1, 2, 3), array('a', 'b', 'c'))")
+      sql("select arrays_overlap(array(array(1)), array('a'))")
     }
   }