HyukjinKwon commented on a change in pull request #32365:
URL: https://github.com/apache/spark/pull/32365#discussion_r660248663
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File path: sql/core/src/main/scala/org/apache/spark/sql/Column.scala
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@@ -1190,6 +1190,22 @@ class Column(val expr: Expression) extends Logging {
*/
def cast(to: String): Column = cast(CatalystSqlParser.parseDataType(to))
+ /**
+ * Casts the column to a pretty string.
+ * {{{
+ * // Casts colA to pretty string.
+ * df.select(df("colA").toPrettyString())
+ * }}}
+ *
+ * @group expr_ops
+ * @since 3.2.0
+ */
+ def toPrettyString: Column = withExpr {
Review comment:
Shall we make this as a proper SQL expression? e.g.) `to_hive_string`.
It makes less sense to expose this API at Column for DSL, that is specific to
SQL compatibility.
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