lowka commented on code in PR #3187:
URL: https://github.com/apache/ignite-3/pull/3187#discussion_r1492472359
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modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/mapping/ColocationGroup.java:
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@@ -40,11 +42,27 @@ public class ColocationGroup implements Serializable {
private final List<NodeWithConsistencyToken> assignments;
+ private final Map<String, List<PartitionWithConsistencyToken>>
partitionsPerNode;
+
/** Constructor. */
public ColocationGroup(List<Long> sourceIds, List<String> nodeNames,
List<NodeWithConsistencyToken> assignments) {
this.sourceIds = Objects.requireNonNull(sourceIds, "sourceIds");
this.nodeNames = Objects.requireNonNull(nodeNames, "nodeNames");
this.assignments = Objects.requireNonNull(assignments, "assignments");
+ this.partitionsPerNode = null;
+ }
+
+ /** Constructor for colocation group with applied partition pruning. */
Review Comment:
`partitionsPerNode` is stored separately from `assignments` because
`IgniteTrimExchange` creates a destination that expects the number of
assignments as stored for a table (see DestinationFactory).
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