Github user EntilZha commented on a diff in the pull request:
https://github.com/apache/spark/pull/7580#discussion_r35294723
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
---
@@ -35,3 +36,47 @@ case class Size(child: Expression) extends
UnaryExpression with ExpectsInputType
nullSafeCodeGen(ctx, ev, c => s"${ev.primitive} = ($c).size();")
}
}
+
+case class ArrayContains(left: Expression, right: Expression) extends
BinaryExpression with ExpectsInputTypes {
+ override def dataType: DataType = BooleanType
+
+ override def inputTypes: Seq[AbstractDataType] = Seq(ArrayType,
AnyDataType)
--- End diff --
If I do exact type checking (like I was doing before, waiting for
compile/assembly of the code you just posted), this fails:
```python
df = sqlContext.createDataFrame([([1, 2, 3],), ([],)], ['data'])
df.select(array_contains(df.data, 1)).collect()
```
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