Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/22421#discussion_r217795552
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
---
@@ -718,7 +718,7 @@ case class MapConcat(children: Seq[Expression]) extends
ComplexTypeMergingExpres
examples = """
Examples:
> SELECT _FUNC_(array(struct(1, 'a'), struct(2, 'b')));
- {1:"a",2:"b"}
+ [1 -> "a", 2 -> "b"]
--- End diff --
The previous one is correct.
```
spark-sql> SELECT map_from_entries(array(struct(1, 'a'), struct(2, 'b')));
{1:"a",2:"b"}
```
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