diqiu50 commented on code in PR #8188:
URL: https://github.com/apache/gravitino/pull/8188#discussion_r2302694443
##########
trino-connector/trino-connector/src/main/java/org/apache/gravitino/trino/connector/catalog/hive/HiveMetadataAdapter.java:
##########
@@ -249,4 +251,14 @@ public ConnectorTableMetadata
getTableMetadata(GravitinoTable gravitinoTable) {
properties,
Optional.ofNullable(gravitinoTable.getComment()));
}
+
+ /**
+ * Get the column handle name that will generate row IDs for the merge
operation.
+ *
+ * @return the column handle name for row IDs
+ */
+ @Override
+ public String getMergeRowIdColumnHandleName() {
+ return MERGE_ROW_ID;
Review Comment:
Does the name `$merge_row_id` have a special purpose?
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