AMashenkov commented on code in PR #1330:
URL: https://github.com/apache/ignite-3/pull/1330#discussion_r1022552803
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modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/ExecutionServiceImpl.java:
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@@ -693,6 +682,30 @@ private CompletableFuture<Void> close(boolean cancel) {
return cancelFut.thenApply(Function.identity());
}
+
+ /**
+ * Synchronously closes the tree's execution iterator.
+ *
+ * @param cancel Forces execution to terminate with {@link
ExecutionCancelledException}.
+ * @return Completable future that should run asynchronously.
+ */
+ private CompletableFuture<Void> closeExecNode(boolean cancel) {
+ CompletableFuture<Void> fut = new CompletableFuture<>();
+
+ if (!root.completeExceptionally(new ExecutionCancelledException())
&& !root.isCompletedExceptionally()) {
+ AsyncRootNode<RowT, List<Object>> node = root.getNow(null);
+
+ if (!cancel) {
+ CompletableFuture<Void> closeFut = node.closeAsync();
+
+ return fut.thenCompose(v -> closeFut);
+ }
+
+ node.onError(new ExecutionCancelledException());
+ }
+
+ return fut;
Review Comment:
Before the changes competed future was expected here. Is it ok?
line 637: return CompletableFuture.completedFuture(null);
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