ygerzhedovich commented on code in PR #1982:
URL: https://github.com/apache/ignite-3/pull/1982#discussion_r1180463532
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/prepare/PlannerHelper.java:
##########
@@ -140,6 +139,14 @@ public static IgniteRel optimize(SqlNode sqlNode,
IgnitePlanner planner) {
}
}
+ private static boolean amountOfJoinsAreBig(RelNode rel) {
Review Comment:
done
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/util/Hints.java:
##########
@@ -0,0 +1,126 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.sql.engine.util;
+
+import static org.apache.ignite.internal.util.CollectionUtils.nullOrEmpty;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.StringJoiner;
+import java.util.stream.Collectors;
+import org.apache.calcite.rel.hint.RelHint;
+
+/**
+ * Enumeration of supported SQL hints together with help methods.
+ */
+public enum Hints {
+ //Only for test purpose!!! No any product use and not available for user
+ DISABLE_RULE(true),
+ //Disable commute joins and keeps the join order defined by the user in a
query
+ ENFORCE_JOIN_ORDER,
+ EXPAND_DISTINCT_AGG;
Review Comment:
thanks
##########
modules/sql-engine/src/test/java/org/apache/ignite/internal/sql/engine/planner/AbstractPlannerTest.java:
##########
@@ -1318,4 +1344,48 @@ public Publisher<BinaryRow> lookup(int partId,
HybridTimestamp timestamp, Cluste
Predicate<SearchBounds> empty() {
return Objects::isNull;
}
+
+ /**
+ * Wrapper for RelOptListener with empty realization for each of their
methods. Good choice in case you need implement just one or few
+ * methods for listener.
+ */
+ static class RelOptListenerWrapper implements RelOptListener {
Review Comment:
ok
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