cloud-fan commented on code in PR #42462:
URL: https://github.com/apache/spark/pull/42462#discussion_r1299684790
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sql/core/src/main/scala/org/apache/spark/sql/functions.scala:
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@@ -7314,6 +7314,136 @@ object functions {
*/
def to_csv(e: Column): Column = to_csv(e, Map.empty[String, String].asJava)
+ // scalastyle:off line.size.limit
+
+ /**
+ * Parses a column containing a XML string into a `StructType` with the
specified schema.
+ * Returns `null`, in the case of an unparseable string.
+ *
+ * @param e a string column containing XML data.
+ * @param schema the schema to use when parsing the XML string
+ * @param options options to control how the XML is parsed. accepts the same
options and the
+ * XML data source.
+ * See
+ * <a href=
+ *
"https://spark.apache.org/docs/latest/sql-data-sources-xml.html#data-source-option";>
+ * Data Source Option</a> in the version you use.
+ * @group collection_funcs
+ * @since
+ */
+ // scalastyle:on line.size.limit
+ def from_xml(e: Column, schema: StructType, options: Map[String, String]):
Column = withExpr {
+ XmlToStructs(CharVarcharUtils.failIfHasCharVarchar(schema), options,
e.expr)
+ }
+
+ // scalastyle:off line.size.limit
+
+ /**
+ * Parses a column containing a XML string into a `StructType` with the
specified schema.
+ * Returns `null`, in the case of an unparseable string.
+ *
+ * @param e a string column containing XML data.
+ * @param schema the schema to use when parsing the json string
+ * @param options options to control how the json is parsed. accepts the
same options and the
+ * XML data source.
+ * See
+ * <a href=
+ *
"https://spark.apache.org/docs/latest/sql-data-sources-xml.html#data-source-option";>
+ * Data Source Option</a> in the version you use.
+ * @group collection_funcs
+ * @since
+ */
+ // scalastyle:on line.size.limit
+ def from_xml(e: Column, schema: DataType, options: Map[String, String]):
Column = withExpr {
Review Comment:
why do we add this API? looking at the code, `XmlToStructs.schema` must be
`StructType`, right?
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