olivrlee commented on code in PR #3421:
URL: https://github.com/apache/calcite/pull/3421#discussion_r1326687827
##########
core/src/main/java/org/apache/calcite/schema/Table.java:
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@@ -82,4 +85,20 @@ public interface Table {
*/
boolean rolledUpColumnValidInsideAgg(String column, SqlCall call,
@Nullable SqlNode parent, @Nullable CalciteConnectionConfig config);
+
+ /**
+ * Overload to provide additional table metadata if available.
+ */
+ default Map<String, Object> getTableMetadata() {
+ Map<String, Object> map = new HashMap<>();
+ return map;
+ }
+
+ /**
+ * Overload to provide additional column metadata if available.
+ */
+ default Map<String, Map<String, Object>> getColumnMetadata() {
Review Comment:
Yeah I like the factory approach, thanks for the review and suggestion.
I pushed a commit with the rough idea but there are still some tests to
update/ and I need to fix the plugin retrieval, so it's not ready for re-review
yet.
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