Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16608#discussion_r102535020
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
---
@@ -163,9 +163,11 @@ object FunctionRegistry {
expression[Abs]("abs"),
expression[Coalesce]("coalesce"),
expression[Explode]("explode"),
+ expressionGeneratorOuter[Explode]("explode_outer"),
--- End diff --
```
Function: explode_outer
Class: org.apache.spark.sql.catalyst.expressions.Explode
Usage: explode_outer(expr) - Separates the elements of array `expr` into
multiple rows, or the elements of map `expr` into multiple rows and columns.
Extended Usage:
Examples:
> SELECT explode_outer(array(10, 20));
10
20
```
@hvanhovell `explode_outer ` is sharing the same expression description. Do
we need an update on this?
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