Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/15513#discussion_r85217860
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala
---
@@ -435,8 +458,15 @@ case class EqualTo(left: Expression, right: Expression)
}
@ExpressionDescription(
- usage = """a _FUNC_ b - Returns same result with EQUAL(=) operator for
non-null operands,
- but returns TRUE if both are NULL, FALSE if one of the them is
NULL.""")
+ usage = """
+ expr1 _FUNC_ expr2 - Returns same result as the EQUAL(=) operator for
non-null operands.
--- End diff --
`.` -> `,`
---
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