aokolnychyi commented on code in PR #49493:
URL: https://github.com/apache/spark/pull/49493#discussion_r1915912143
##########
sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/MetadataColumn.java:
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@@ -74,4 +113,13 @@ default String comment() {
default Transform transform() {
return null;
}
+
+ /**
+ * Returns the column metadata in JSON format.
+ *
+ * @since 4.0.0
+ */
+ default String metadataInJSON() {
Review Comment:
Follows exactly what we have in `Column`.
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