Limit tree output

Author: idegtiarenko

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plan/logical/Project.java

@@ -14,6 +14,7 @@
 import org.elasticsearch.xpack.esql.core.expression.Expressions;
 import org.elasticsearch.xpack.esql.core.expression.NamedExpression;
 import org.elasticsearch.xpack.esql.core.tree.NodeInfo;
+import org.elasticsearch.xpack.esql.core.tree.NodeUtils;
 import org.elasticsearch.xpack.esql.core.tree.Source;
 import org.elasticsearch.xpack.esql.expression.function.Functions;
 import org.elasticsearch.xpack.esql.io.stream.PlanStreamInput;
@@ -103,7 +104,11 @@ public boolean equals(Object obj) {
         }
 
         Project other = (Project) obj;
-
         return Objects.equals(projections, other.projections) && Objects.equals(child(), other.child());
     }
+
+    @Override
+    public String nodeString() {
+        return nodeName() + "[projections=" + NodeUtils.limitedToString(projections) + "]";
+    }
 }

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plan/physical/ExchangeExec.java

@@ -13,6 +13,7 @@
 import org.elasticsearch.xpack.esql.core.expression.Attribute;
 import org.elasticsearch.xpack.esql.core.expression.AttributeSet;
 import org.elasticsearch.xpack.esql.core.tree.NodeInfo;
+import org.elasticsearch.xpack.esql.core.tree.NodeUtils;
 import org.elasticsearch.xpack.esql.core.tree.Source;
 import org.elasticsearch.xpack.esql.io.stream.PlanStreamInput;
 
@@ -102,4 +103,9 @@ public boolean equals(Object obj) {
     public int hashCode() {
         return Objects.hash(super.hashCode(), output, inBetweenAggs);
     }
+
+    @Override
+    public String nodeString() {
+        return nodeName() + "[output=" + NodeUtils.limitedToString(output) + ", inBetweenAggs=" + inBetweenAggs + "]";
+    }
 }