swuferhong commented on code in PR #20596:
URL: https://github.com/apache/flink/pull/20596#discussion_r950041925
##########
flink-table/flink-table-common/src/main/java/org/apache/flink/table/connector/source/abilities/SupportsDynamicFiltering.java:
##########
@@ -60,9 +60,16 @@
public interface SupportsDynamicFiltering {
/**
- * Applies the candidate filter fields into the table source, and return
the accepted fields.
- * The data corresponding the filter fields will be provided in runtime,
which can be used to
- * filter the partitions or the input data.
+ * Return the filter fields this partition table source supported. This
method is used in
+ * planner, which can be used to judge whether the source table is a
suitable partition table
+ * for filtering partitions.
Review Comment:
> /** * Returns the filter fields this partition table source supported.
This method can tell the * planner which fields can be used as dynamic
filtering fields, the planner will pick some * fields from the returned fields
based on the query, and create dynamic filtering operator. */
Done!
##########
flink-table/flink-table-common/src/main/java/org/apache/flink/table/connector/source/abilities/SupportsDynamicFiltering.java:
##########
@@ -60,9 +60,16 @@
public interface SupportsDynamicFiltering {
/**
- * Applies the candidate filter fields into the table source, and return
the accepted fields.
- * The data corresponding the filter fields will be provided in runtime,
which can be used to
- * filter the partitions or the input data.
+ * Return the filter fields this partition table source supported. This
method is used in
+ * planner, which can be used to judge whether the source table is a
suitable partition table
+ * for filtering partitions.
*/
- List<String> applyDynamicFiltering(List<String> candidateFilterFields);
+ List<String> listAcceptedFilterFields();
+
+ /**
+ * Applies the candidate filter fields into the table source. The data
corresponding the filter
+ * fields will be provided in runtime, which can be used to filter the
partitions or the input
+ * data.
+ */
Review Comment:
> /** * Applies the candidate filter fields into the table source. The data
corresponding the filter * fields will be provided in runtime, which can be
used to filter the partitions or the input * data. * * `<p>`NOTE: the candidate
filter fields are always from the result of {@link *
#listAcceptedFilterFields()}. */
Done!
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