zstan commented on code in PR #13311:
URL: https://github.com/apache/ignite/pull/13311#discussion_r3712567201
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modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/rel/AbstractNode.java:
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@@ -37,6 +37,9 @@
* Abstract node of execution tree.
*/
public abstract class AbstractNode<Row> implements Node<Row> {
+ /** Special value to highlight that all rows were received and we do not
expect more. */
+ static final int NOT_WAITING = -1;
Review Comment:
No, it shouldn\`t, cause it abstract
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