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[Calcite] Build integration test framework (#3342)
* Build integration test framework Signed-off-by: Lantao Jin <ltjin@amazon.com> * make local work Signed-off-by: Lantao Jin <ltjin@amazon.com> * Fix the timestamp issue Signed-off-by: Lantao Jin <ltjin@amazon.com> * address comments Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix java style and rename CalcitePPLTestCase back to CalcitePPLIntegTestCase Signed-off-by: Lantao Jin <ltjin@amazon.com> --------- Signed-off-by: Lantao Jin <ltjin@amazon.com>
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core/src/main/java/org/opensearch/sql/calcite/utils/CalciteToolsHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,207 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| /* | ||
| * This file contains code from the Apache Calcite project (original license below). | ||
| * It contains modifications, which are licensed as above: | ||
| */ | ||
|
|
||
| /* | ||
| * 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.opensearch.sql.calcite.utils; | ||
|
|
||
| import java.sql.Connection; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.SQLException; | ||
| import java.util.Properties; | ||
| import org.apache.calcite.adapter.java.JavaTypeFactory; | ||
| import org.apache.calcite.avatica.AvaticaConnection; | ||
| import org.apache.calcite.avatica.AvaticaFactory; | ||
| import org.apache.calcite.avatica.UnregisteredDriver; | ||
| import org.apache.calcite.config.CalciteConnectionProperty; | ||
| import org.apache.calcite.interpreter.Bindables; | ||
| import org.apache.calcite.jdbc.CalciteFactory; | ||
| import org.apache.calcite.jdbc.CalciteJdbc41Factory; | ||
| import org.apache.calcite.jdbc.CalcitePrepare; | ||
| import org.apache.calcite.jdbc.CalciteSchema; | ||
| import org.apache.calcite.jdbc.Driver; | ||
| import org.apache.calcite.plan.Context; | ||
| import org.apache.calcite.plan.RelOptCluster; | ||
| import org.apache.calcite.plan.RelOptPlanner; | ||
| import org.apache.calcite.plan.RelOptSchema; | ||
| import org.apache.calcite.plan.RelOptTable; | ||
| import org.apache.calcite.prepare.CalciteCatalogReader; | ||
| import org.apache.calcite.prepare.CalcitePrepareImpl; | ||
| import org.apache.calcite.rel.RelHomogeneousShuttle; | ||
| import org.apache.calcite.rel.RelNode; | ||
| import org.apache.calcite.rel.RelShuttle; | ||
| import org.apache.calcite.rel.core.TableScan; | ||
| import org.apache.calcite.rel.logical.LogicalTableScan; | ||
| import org.apache.calcite.rel.type.RelDataTypeSystem; | ||
| import org.apache.calcite.rex.RexBuilder; | ||
| import org.apache.calcite.schema.SchemaPlus; | ||
| import org.apache.calcite.server.CalciteServerStatement; | ||
| import org.apache.calcite.tools.FrameworkConfig; | ||
| import org.apache.calcite.tools.Frameworks; | ||
| import org.apache.calcite.tools.RelBuilder; | ||
| import org.apache.calcite.tools.RelRunner; | ||
| import org.apache.calcite.util.Util; | ||
| import org.opensearch.sql.calcite.CalcitePlanContext; | ||
|
|
||
| /** | ||
| * Calcite Tools Helper. This class is used to create customized: 1. Connection 2. JavaTypeFactory | ||
| * 3. RelBuilder 4. RelRunner TODO delete it in future if possible. | ||
| */ | ||
| public class CalciteToolsHelper { | ||
|
|
||
| /** Create a RelBuilder with testing */ | ||
| public static RelBuilder create(FrameworkConfig config) { | ||
| return RelBuilder.create(config); | ||
| } | ||
|
|
||
| /** Create a RelBuilder with typeFactory */ | ||
| public static RelBuilder create( | ||
| FrameworkConfig config, JavaTypeFactory typeFactory, Connection connection) { | ||
| return withPrepare( | ||
| config, | ||
| typeFactory, | ||
| connection, | ||
| (cluster, relOptSchema, rootSchema, statement) -> | ||
| new OpenSearchRelBuilder(config.getContext(), cluster, relOptSchema)); | ||
| } | ||
|
|
||
| public static Connection connect(FrameworkConfig config, JavaTypeFactory typeFactory) { | ||
| final Properties info = new Properties(); | ||
| if (config.getTypeSystem() != RelDataTypeSystem.DEFAULT) { | ||
| info.setProperty( | ||
| CalciteConnectionProperty.TYPE_SYSTEM.camelName(), | ||
| config.getTypeSystem().getClass().getName()); | ||
| } | ||
| try { | ||
| return new OpenSearchDriver().connect("jdbc:calcite:", info, null, typeFactory); | ||
| } catch (SQLException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * This method copied from {@link Frameworks#withPrepare(FrameworkConfig, | ||
| * Frameworks.BasePrepareAction)}. The purpose is the method {@link | ||
| * CalciteFactory#newConnection(UnregisteredDriver, AvaticaFactory, String, Properties)} create | ||
| * connection with null instance of JavaTypeFactory. So we add a parameter JavaTypeFactory. | ||
| */ | ||
| private static <R> R withPrepare( | ||
| FrameworkConfig config, | ||
| JavaTypeFactory typeFactory, | ||
| Connection connection, | ||
| Frameworks.BasePrepareAction<R> action) { | ||
| try { | ||
| final Properties info = new Properties(); | ||
| if (config.getTypeSystem() != RelDataTypeSystem.DEFAULT) { | ||
| info.setProperty( | ||
| CalciteConnectionProperty.TYPE_SYSTEM.camelName(), | ||
| config.getTypeSystem().getClass().getName()); | ||
| } | ||
| final CalciteServerStatement statement = | ||
| connection.createStatement().unwrap(CalciteServerStatement.class); | ||
| return new OpenSearchPrepareImpl().perform(statement, config, typeFactory, action); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| public static class OpenSearchDriver extends Driver { | ||
|
|
||
| public Connection connect( | ||
| String url, Properties info, CalciteSchema rootSchema, JavaTypeFactory typeFactory) | ||
| throws SQLException { | ||
| CalciteJdbc41Factory factory = new CalciteJdbc41Factory(); | ||
| AvaticaConnection connection = | ||
| factory.newConnection((Driver) this, factory, url, info, rootSchema, typeFactory); | ||
| this.handler.onConnectionInit(connection); | ||
| return connection; | ||
| } | ||
| } | ||
|
|
||
| /** do nothing, just extend for a public construct for new */ | ||
| public static class OpenSearchRelBuilder extends RelBuilder { | ||
| public OpenSearchRelBuilder(Context context, RelOptCluster cluster, RelOptSchema relOptSchema) { | ||
| super(context, cluster, relOptSchema); | ||
| } | ||
| } | ||
|
|
||
| public static class OpenSearchPrepareImpl extends CalcitePrepareImpl { | ||
| /** | ||
| * Similar to {@link CalcitePrepareImpl#perform(CalciteServerStatement, FrameworkConfig, | ||
| * Frameworks.BasePrepareAction)}, but with a custom typeFactory. | ||
| */ | ||
| public <R> R perform( | ||
| CalciteServerStatement statement, | ||
| FrameworkConfig config, | ||
| JavaTypeFactory typeFactory, | ||
| Frameworks.BasePrepareAction<R> action) { | ||
| final CalcitePrepare.Context prepareContext = statement.createPrepareContext(); | ||
| SchemaPlus defaultSchema = config.getDefaultSchema(); | ||
| final CalciteSchema schema = | ||
| defaultSchema != null | ||
| ? CalciteSchema.from(defaultSchema) | ||
| : prepareContext.getRootSchema(); | ||
| CalciteCatalogReader catalogReader = | ||
| new CalciteCatalogReader( | ||
| schema.root(), schema.path(null), typeFactory, prepareContext.config()); | ||
| final RexBuilder rexBuilder = new RexBuilder(typeFactory); | ||
| final RelOptPlanner planner = | ||
| createPlanner(prepareContext, config.getContext(), config.getCostFactory()); | ||
| final RelOptCluster cluster = createCluster(planner, rexBuilder); | ||
| return action.apply(cluster, catalogReader, prepareContext.getRootSchema().plus(), statement); | ||
| } | ||
| } | ||
|
|
||
| public static class OpenSearchRelRunners { | ||
| /** | ||
| * Runs a relational expression by existing connection. This class copied from {@link | ||
| * org.apache.calcite.tools.RelRunners#run(RelNode)} | ||
| */ | ||
| public static PreparedStatement run(CalcitePlanContext context, RelNode rel) { | ||
| final RelShuttle shuttle = | ||
| new RelHomogeneousShuttle() { | ||
| @Override | ||
| public RelNode visit(TableScan scan) { | ||
| final RelOptTable table = scan.getTable(); | ||
| if (scan instanceof LogicalTableScan | ||
| && Bindables.BindableTableScan.canHandle(table)) { | ||
| // Always replace the LogicalTableScan with BindableTableScan | ||
| // because it's implementation does not require a "schema" as context. | ||
| return Bindables.BindableTableScan.create(scan.getCluster(), table); | ||
| } | ||
| return super.visit(scan); | ||
| } | ||
| }; | ||
| rel = rel.accept(shuttle); | ||
| // the line we changed here | ||
| try (Connection connection = context.connection) { | ||
| final RelRunner runner = connection.unwrap(RelRunner.class); | ||
| return runner.prepareStatement(rel); | ||
| } catch (SQLException e) { | ||
| throw Util.throwAsRuntime(e); | ||
| } | ||
| } | ||
| } | ||
| } |
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