org.apache.drill.PlanningBase.java Source code

Introduction

Here is the source code for org.apache.drill.PlanningBase.java

Source

/**
 * 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.drill;

import java.io.IOException;
import java.net.URL;

import mockit.Mocked;
import mockit.NonStrictExpectations;
import org.apache.calcite.schema.SchemaPlus;
import org.apache.calcite.jdbc.SimpleCalciteSchema;

import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.util.TestTools;
import org.apache.drill.exec.ExecTest;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.memory.TopLevelAllocator;
import org.apache.drill.exec.ops.QueryContext;
import org.apache.drill.exec.physical.PhysicalPlan;
import org.apache.drill.exec.planner.physical.PlannerSettings;
import org.apache.drill.exec.planner.sql.DrillOperatorTable;
import org.apache.drill.exec.planner.sql.DrillSqlWorker;
import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
import org.apache.drill.exec.rpc.user.UserSession;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.drill.exec.server.options.QueryOptionManager;
import org.apache.drill.exec.server.options.SessionOptionManager;
import org.apache.drill.exec.server.options.SystemOptionManager;
import org.apache.drill.exec.store.SchemaConfig;
import org.apache.drill.exec.store.StoragePluginRegistry;
import org.apache.drill.exec.store.sys.local.LocalPStoreProvider;
import org.apache.drill.exec.testing.ExecutionControls;
import org.junit.Rule;
import org.junit.rules.TestRule;

import com.codahale.metrics.MetricRegistry;
import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableList;
import com.google.common.io.Resources;

public class PlanningBase extends ExecTest {
    static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(PlanningBase.class);

    @Rule
    public final TestRule TIMEOUT = TestTools.getTimeoutRule(10000);

    @Mocked
    DrillbitContext dbContext;
    private final DrillConfig config = DrillConfig.create();

    @Mocked
    QueryContext context;

    TopLevelAllocator allocator = new TopLevelAllocator();

    protected void testSqlPlanFromFile(String file) throws Exception {
        testSqlPlan(getFile(file));
    }

    protected void testSqlPlan(String sqlCommands) throws Exception {
        String[] sqlStrings = sqlCommands.split(";");

        final LocalPStoreProvider provider = new LocalPStoreProvider(config);
        provider.start();

        final SystemOptionManager systemOptions = new SystemOptionManager(config, provider);
        systemOptions.init();
        final UserSession userSession = UserSession.Builder.newBuilder().withOptionManager(systemOptions).build();
        final SessionOptionManager sessionOptions = (SessionOptionManager) userSession.getOptions();
        final QueryOptionManager queryOptions = new QueryOptionManager(sessionOptions);
        final ExecutionControls executionControls = new ExecutionControls(queryOptions,
                DrillbitEndpoint.getDefaultInstance());

        new NonStrictExpectations() {
            {
                dbContext.getMetrics();
                result = new MetricRegistry();
                dbContext.getAllocator();
                result = allocator;
                dbContext.getConfig();
                result = config;
                dbContext.getOptionManager();
                result = systemOptions;
                dbContext.getPersistentStoreProvider();
                result = provider;
            }
        };

        final StoragePluginRegistry registry = new StoragePluginRegistry(dbContext);
        registry.init();
        final FunctionImplementationRegistry functionRegistry = new FunctionImplementationRegistry(config);
        final DrillOperatorTable table = new DrillOperatorTable(functionRegistry);
        final SchemaPlus root = SimpleCalciteSchema.createRootSchema(false);
        registry.getSchemaFactory().registerSchemas(SchemaConfig.newBuilder("foo", context).build(), root);

        new NonStrictExpectations() {
            {
                context.getNewDefaultSchema();
                result = root;
                context.getStorage();
                result = registry;
                context.getFunctionRegistry();
                result = functionRegistry;
                context.getSession();
                result = UserSession.Builder.newBuilder().setSupportComplexTypes(true).build();
                context.getCurrentEndpoint();
                result = DrillbitEndpoint.getDefaultInstance();
                context.getActiveEndpoints();
                result = ImmutableList.of(DrillbitEndpoint.getDefaultInstance());
                context.getPlannerSettings();
                result = new PlannerSettings(queryOptions, functionRegistry);
                context.getOptions();
                result = queryOptions;
                context.getConfig();
                result = config;
                context.getDrillOperatorTable();
                result = table;
                context.getAllocator();
                result = allocator;
                context.getExecutionControls();
                result = executionControls;
            }
        };

        for (String sql : sqlStrings) {
            if (sql.trim().isEmpty()) {
                continue;
            }
            DrillSqlWorker worker = new DrillSqlWorker(context);
            PhysicalPlan p = worker.getPlan(sql);
        }

    }

    protected String getFile(String resource) throws IOException {
        URL url = Resources.getResource(resource);
        if (url == null) {
            throw new IOException(String.format("Unable to find path %s.", resource));
        }
        return Resources.toString(url, Charsets.UTF_8);
    }
}