Github user MaxGekk commented on a diff in the pull request:
https://github.com/apache/spark/pull/22626#discussion_r230028296
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/csvExpressions.scala
---
@@ -174,3 +176,66 @@ case class SchemaOfCsv(
override def prettyName: String = "schema_of_csv"
}
+
+/**
+ * Converts a [[StructType]] to a CSV output string.
+ */
+// scalastyle:off line.size.limit
+@ExpressionDescription(
+ usage = "_FUNC_(expr[, options]) - Returns a CSV string with a given
struct value",
+ examples = """
+ Examples:
+ > SELECT _FUNC_(named_struct('a', 1, 'b', 2));
+ 1,2
+ > SELECT _FUNC_(named_struct('time', to_timestamp('2015-08-26',
'yyyy-MM-dd')), map('timestampFormat', 'dd/MM/yyyy'));
+ "26/08/2015"
+ """,
+ since = "3.0.0")
+// scalastyle:on line.size.limit
+case class StructsToCsv(
+ options: Map[String, String],
+ child: Expression,
+ timeZoneId: Option[String] = None)
--- End diff --
Just hoped `scalastyle` should show the mistakes of IntelliJ IDEA.
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