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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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package org.apache.iotdb.db.queryengine.plan.planner.distribution;
import org.apache.iotdb.common.rpc.thrift.TEndPoint;
import org.apache.iotdb.commons.exception.IllegalPathException;
import org.apache.iotdb.commons.path.MeasurementPath;
import org.apache.iotdb.commons.path.PartialPath;
import org.apache.iotdb.commons.schema.SchemaConstant;
import org.apache.iotdb.db.queryengine.common.MPPQueryContext;
import org.apache.iotdb.db.queryengine.common.QueryId;
import org.apache.iotdb.db.queryengine.plan.analyze.Analysis;
import org.apache.iotdb.db.queryengine.plan.analyze.QueryType;
import org.apache.iotdb.db.queryengine.plan.planner.plan.DistributedQueryPlan;
import org.apache.iotdb.db.queryengine.plan.planner.plan.LogicalQueryPlan;
import org.apache.iotdb.db.queryengine.plan.planner.plan.SubPlan;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.metedata.read.SchemaQueryMergeNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.metedata.read.TimeSeriesSchemaScanNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.process.ExchangeNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.process.LimitNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.source.SeriesScanNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.write.InsertRowNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.write.InsertRowsNode;
import org.apache.iotdb.db.queryengine.plan.statement.component.Ordering;
import org.apache.tsfile.enums.TSDataType;
import org.apache.tsfile.write.schema.MeasurementSchema;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.assertEquals;
public class DistributionPlannerBasicTest {
@Test
public void testSingleSeriesScan() throws IllegalPathException {
QueryId queryId = new QueryId("test_query");
SeriesScanNode root =
new SeriesScanNode(
queryId.genPlanNodeId(),
new MeasurementPath("root.sg.d1.s1", TSDataType.INT32),
Ordering.ASC);
Analysis analysis = Util.constructAnalysis();
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(context, root));
DistributedQueryPlan plan = planner.planFragments();
assertEquals(2, plan.getInstances().size());
}
@Test
public void testSingleSeriesScanRewriteSource() throws IllegalPathException {
QueryId queryId = new QueryId("test_query");
SeriesScanNode root =
new SeriesScanNode(
queryId.genPlanNodeId(),
new MeasurementPath("root.sg.d1.s1", TSDataType.INT32),
Ordering.ASC);
Analysis analysis = Util.constructAnalysis();
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(context, root));
PlanNode rootAfterRewrite = planner.rewriteSource();
assertEquals(2, rootAfterRewrite.getChildren().size());
}
@Test
public void testRewriteSourceNode() throws IllegalPathException {
QueryId queryId = new QueryId("test_query");
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
String sql = "select d1.s1,d1.s2,d22.s1 from root.sg limit 10";
Analysis analysis = Util.analyze(sql, context);
PlanNode root = Util.genLogicalPlan(analysis, context);
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(new MPPQueryContext(queryId), root));
PlanNode newRoot = planner.rewriteSource();
assertEquals(4, newRoot.getChildren().get(0).getChildren().size());
}
@Test
public void testRewriteMetaSourceNode() throws IllegalPathException {
QueryId queryId = new QueryId("test_query");
SchemaQueryMergeNode metaMergeNode = new SchemaQueryMergeNode(queryId.genPlanNodeId(), false);
metaMergeNode.addChild(
new TimeSeriesSchemaScanNode(
queryId.genPlanNodeId(),
new PartialPath("root.sg.d1.s1"),
null,
10,
0,
false,
false,
Collections.emptyMap(),
SchemaConstant.ALL_MATCH_SCOPE));
metaMergeNode.addChild(
new TimeSeriesSchemaScanNode(
queryId.genPlanNodeId(),
new PartialPath("root.sg.d1.s2"),
null,
10,
0,
false,
false,
Collections.emptyMap(),
SchemaConstant.ALL_MATCH_SCOPE));
metaMergeNode.addChild(
new TimeSeriesSchemaScanNode(
queryId.genPlanNodeId(),
new PartialPath("root.sg.d22.s1"),
null,
10,
0,
false,
false,
Collections.emptyMap(),
SchemaConstant.ALL_MATCH_SCOPE));
LimitNode root2 = new LimitNode(queryId.genPlanNodeId(), metaMergeNode, 10);
Analysis analysis = Util.constructAnalysis();
DistributionPlanner planner2 =
new DistributionPlanner(
analysis, new LogicalQueryPlan(new MPPQueryContext(queryId), root2));
PlanNode newRoot2 = planner2.rewriteSource();
assertEquals(newRoot2.getChildren().get(0).getChildren().size(), 2);
}
@Test
public void testAddExchangeNode() throws IllegalPathException {
QueryId queryId = new QueryId("test_query");
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
String sql = "select d1.s1,d1.s2,d22.s1 from root.sg limit 10";
Analysis analysis = Util.analyze(sql, context);
PlanNode root = Util.genLogicalPlan(analysis, context);
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(new MPPQueryContext(queryId), root));
PlanNode rootAfterRewrite = planner.rewriteSource();
PlanNode rootWithExchange = planner.addExchangeNode(rootAfterRewrite);
assertEquals(4, rootWithExchange.getChildren().get(0).getChildren().size());
int exchangeNodeCount = 0;
for (PlanNode child : rootWithExchange.getChildren().get(0).getChildren()) {
exchangeNodeCount += child instanceof ExchangeNode ? 1 : 0;
}
assertEquals(2, exchangeNodeCount);
}
@Test
public void testSplitFragment() throws IllegalPathException {
QueryId queryId = new QueryId("test_query");
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
String sql = "select d1.s1,d1.s2,d22.s1 from root.sg limit 10";
Analysis analysis = Util.analyze(sql, context);
PlanNode root = Util.genLogicalPlan(analysis, context);
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(context, root));
PlanNode rootAfterRewrite = planner.rewriteSource();
PlanNode rootWithExchange = planner.addExchangeNode(rootAfterRewrite);
SubPlan subPlan = planner.splitFragment(rootWithExchange);
assertEquals(subPlan.getChildren().size(), 2);
}
@Test
public void testParallelPlan() throws IllegalPathException {
QueryId queryId = new QueryId("test_query");
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
String sql = "select d1.s1,d1.s2,d333.s1 from root.sg limit 10";
Analysis analysis = Util.analyze(sql, context);
PlanNode root = Util.genLogicalPlan(analysis, context);
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(context, root));
DistributedQueryPlan plan = planner.planFragments();
assertEquals(3, plan.getInstances().size());
}
@Test
public void testSingleAlignedSeries() throws IllegalPathException {
QueryId queryId = new QueryId("test_query_aligned");
String sql = "select s1, s2 from root.sg.d666666 limit 10";
MPPQueryContext context =
new MPPQueryContext(sql, queryId, null, new TEndPoint(), new TEndPoint());
Analysis analysis = Util.analyze(sql, context);
PlanNode root = Util.genLogicalPlan(analysis, context);
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(context, root));
DistributedQueryPlan plan = planner.planFragments();
assertEquals(2, plan.getInstances().size());
}
@Test
public void testInsertRowNodeParallelPlan() throws IllegalPathException {
QueryId queryId = new QueryId("test_write");
InsertRowNode insertRowNode =
new InsertRowNode(
queryId.genPlanNodeId(),
new PartialPath("root.sg.d1"),
false,
new String[] {
"s1",
},
new TSDataType[] {TSDataType.INT32},
1L,
new Object[] {10},
false);
insertRowNode.setMeasurementSchemas(
new MeasurementSchema[] {
new MeasurementSchema("s1", TSDataType.INT32),
});
Analysis analysis = Util.constructAnalysis();
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
context.setQueryType(QueryType.WRITE);
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(context, insertRowNode));
DistributedQueryPlan plan = planner.planFragments();
assertEquals(1, plan.getInstances().size());
}
@Test
public void testInsertRowsNodeParallelPlan() throws IllegalPathException {
QueryId queryId = new QueryId("test_write");
InsertRowNode insertRowNode1 =
new InsertRowNode(
queryId.genPlanNodeId(),
new PartialPath("root.sg.d1"),
false,
new String[] {"s1"},
new TSDataType[] {TSDataType.INT32},
1L,
new Object[] {10},
false);
insertRowNode1.setMeasurementSchemas(
new MeasurementSchema[] {
new MeasurementSchema("s1", TSDataType.INT32),
});
InsertRowNode insertRowNode2 =
new InsertRowNode(
queryId.genPlanNodeId(),
new PartialPath("root.sg.d1"),
false,
new String[] {"s1"},
new TSDataType[] {TSDataType.INT32},
10000L,
new Object[] {10},
false);
insertRowNode2.setMeasurementSchemas(
new MeasurementSchema[] {
new MeasurementSchema("s1", TSDataType.INT32),
});
InsertRowsNode node = new InsertRowsNode(queryId.genPlanNodeId());
node.setInsertRowNodeList(Arrays.asList(insertRowNode1, insertRowNode2));
node.setInsertRowNodeIndexList(Arrays.asList(0, 1));
Analysis analysis = Util.constructAnalysis();
MPPQueryContext context =
new MPPQueryContext("", queryId, null, new TEndPoint(), new TEndPoint());
context.setQueryType(QueryType.WRITE);
DistributionPlanner planner =
new DistributionPlanner(analysis, new LogicalQueryPlan(context, node));
DistributedQueryPlan plan = planner.planFragments();
assertEquals(1, plan.getInstances().size());
}
}