cecemei commented on code in PR #17564:
URL: https://github.com/apache/druid/pull/17564#discussion_r1909325398
##########
processing/src/main/java/org/apache/druid/query/DataSource.java:
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@@ -118,6 +123,27 @@ public interface DataSource
*/
DataSource withUpdatedDataSource(DataSource newSource);
+ default DataSource mapWithRestriction(Map<String, Optional<DimFilter>>
rowFilters)
+ {
+ return mapWithRestriction(rowFilters, true);
+ }
+
+ /**
+ * Returns an updated datasource based on the policy restrictions on tables.
If this datasource contains no table, no
+ * changes should occur.
+ *
+ * @param rowFilters a mapping of table names to row filters, every table in
the datasource tree must have an entry
Review Comment:
synced in the oss meeting and we decided to go with the `CombinedPolicy`
path (similar to `AndFilter`).
let's defer the impl of `CombinedPolicy` in a future PR.
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