MaxGekk commented on a change in pull request #34761:
URL: https://github.com/apache/spark/pull/34761#discussion_r761320157
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
##########
@@ -465,6 +465,23 @@ abstract class StringPredicate extends BinaryExpression
/**
* A function that returns true if the string `left` contains the string
`right`.
*/
+@ExpressionDescription(
+ usage = """
+ _FUNC_(expr1, expr2) - Returns a boolean value if expr2 is found inside
expr1.
Review comment:
@AngersZhuuuu I have realised that this comment might confuse users.
Could you align it to PR's description in a follow up PR:
```
Returns a BOOLEAN. The value is True if right is found inside left. Returns
NULL if either input expression is NULL. Otherwise, returns False.
```
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