korlov42 commented on code in PR #2140:
URL: https://github.com/apache/ignite-3/pull/2140#discussion_r1226605360
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modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/QueryTaskExecutor.java:
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@@ -45,4 +45,13 @@ public interface QueryTaskExecutor extends LifecycleAware,
Executor {
* @return the new CompletableFuture
*/
CompletableFuture<?> submit(UUID qryId, long fragmentId, Runnable qryTask);
+
+ /**
+ * Returns an executor that is responsible for the given query fragment.
+ *
+ * @param qryId Query ID.
+ * @param fragmentId Fragment ID.
+ * @return An executor.
+ */
+ Executor fragmentExecutor(UUID qryId, long fragmentId);
Review Comment:
Sole purpose of query task executer is to hide presence of several
executers, while providing necessary guarantee for execution order of tasks
from the same fragment.
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modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/ExecutableTable.java:
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@@ -0,0 +1,41 @@
+/*
+ * 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.exec;
+
+import org.apache.ignite.internal.table.InternalTable;
+
+/**
+ * Execution related APIs of a table.
+ */
+public interface ExecutableTable {
+
+ /**
+ * Returns read API.
+ */
+ InternalTable table();
Review Comment:
It's better to introduce something like ScannableTable (similar to
UpdateableTable).
BTW, let's rename UpdateableTable --> UpdatableTable to make naming more
consistent
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modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/SqlQueryProcessor.java:
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@@ -114,6 +116,9 @@ public class SqlQueryProcessor implements QueryProcessor {
/** Size of the cache for query plans. */
private static final int PLAN_CACHE_SIZE = 1024;
+ /** Size of the table access cache. */
+ public static final int TABLE_CACHE_SIZE = 1024;
Review Comment:
why `public`?
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