zstan commented on code in PR #4629:
URL: https://github.com/apache/ignite-3/pull/4629#discussion_r1824875032
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/ExecutionDistributionProviderImpl.java:
##########
@@ -205,4 +230,46 @@ private CompletableFuture<List<TokenizedAssignments>>
allReplicas(
});
});
}
+
+ static class DistributionHolderImpl implements DistributionHolder {
+ private final List<String> nodes;
+ private final Map<IgniteTable, List<TokenizedAssignments>>
assignmentsPerTable;
+ private final Map<String, List<String>> nodesPerView;
+
+ DistributionHolderImpl(
+ List<String> nodes,
+ Map<IgniteTable, List<TokenizedAssignments>>
assignmentsPerTable,
+ Map<String, List<String>> nodesPerView) {
+ this.nodes = nodes;
+ this.assignmentsPerTable = assignmentsPerTable;
+ this.nodesPerView = nodesPerView;
+ }
+
+ @Override
+ public List<String> nodes() {
+ return nodes;
+ }
+
+ @Override
+ public List<TokenizedAssignments> tableAssignments(IgniteTable table) {
+ return assignmentsPerTable.get(table);
+ }
+
+ @Override
+ public List<String> viewNodes(String viewName) {
+ return nodesPerView.get(viewName);
+ }
+ }
+
+ /** Nodes distribution information holder. */
+ public interface DistributionHolder {
+ /** Whole collection of participating nodes. */
+ List<String> nodes();
+
+ /** Nodes table assigned to. */
Review Comment:
honestly, i don`t understand why and where `null` can be returned, can you
clarify please ?
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