zstan commented on code in PR #2848:
URL: https://github.com/apache/ignite-3/pull/2848#discussion_r1402974910
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/SqlQueryProcessor.java:
##########
@@ -317,6 +341,69 @@ public CompletableFuture<ExecutionTarget>
forSystemView(ExecutionTargetFactory f
services.forEach(LifecycleAware::start);
}
+ /** Get primary replicas. */
+ private CompletableFuture<List<PrimaryReplica>> primaryReplicas(int
tableId) {
+ int catalogVersion = catalogManager.latestCatalogVersion();
+
+ Catalog catalog = catalogManager.catalog(catalogVersion);
+
+ CatalogTableDescriptor tblDesc =
Objects.requireNonNull(catalog.table(tableId), "table");
+
+ CatalogZoneDescriptor zoneDesc =
Objects.requireNonNull(catalog.zone(tblDesc.zoneId()), "zone");
+
+ int partitions = zoneDesc.partitions();
+
+ List<CompletableFuture<PrimaryReplica>> result = new
ArrayList<>(partitions);
+
+ HybridTimestamp clockNow = clock.now();
+
+ // no need to wait all partitions after pruning was implemented.
+ for (int partId = 0; partId < partitions; ++partId) {
+ int partitionId = partId;
+ ReplicationGroupId partGroupId = new TablePartitionId(tableId,
partitionId);
+
+ CompletableFuture<ReplicaMeta> f =
placementDriver.awaitPrimaryReplica(
+ partGroupId,
+ clockNow,
+ AWAIT_PRIMARY_REPLICA_TIMEOUT,
+ SECONDS
+ );
+
+ result.add(f.handle((primaryReplica, e) -> {
+ if (e != null) {
+ LOG.error("Failed to retrieve primary replica for
partition {}", e, partitionId);
+
+ throw withCause(IgniteInternalException::new,
REPLICA_UNAVAILABLE_ERR, "Failed to get the primary replica"
+ + " [tablePartitionId=" + partGroupId + ']', e);
+ }
+
+ return primaryReplica;
+ })
+ .thenApply(primaryReplica -> {
+ String holder = primaryReplica.getLeaseholder();
+
+ assert holder != null : "Unable to map query, nothing
holds the lease";
+
+ ClusterNode node =
clusterSrvc.topologyService().getByConsistentId(holder);
+
+ if (node == null) {
+ // additional recovery logic is need to be present
around here.
+ throw new IgniteInternalException(Sql.MAPPING_ERR,
"Unable to map query, node is lost or offline");
+ }
+
+ return new PrimaryReplica(node,
primaryReplica.getStartTime().longValue());
Review Comment:
PrimaryReplica need to be removed in scope of
https://issues.apache.org/jira/browse/IGNITE-20925
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