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implemented _nodes sys column on sys.operations table
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87 changes: 87 additions & 0 deletions
87
sql/src/test/java/io/crate/integrationtests/SysOperationsTest.java
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| /* | ||
| * Licensed to CRATE Technology GmbH ("Crate") under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with this work for | ||
| * additional information regarding copyright ownership. Crate 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. | ||
| * | ||
| * However, if you have executed another commercial license agreement | ||
| * with Crate these terms will supersede the license and you may use the | ||
| * software solely pursuant to the terms of the relevant commercial agreement. | ||
| */ | ||
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| package io.crate.integrationtests; | ||
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| import io.crate.action.sql.SQLResponse; | ||
| import io.crate.test.integration.ClassLifecycleIntegrationTest; | ||
| import io.crate.testing.SQLTransportExecutor; | ||
| import org.hamcrest.Matchers; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
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| import static org.hamcrest.CoreMatchers.startsWith; | ||
| import static org.hamcrest.core.Is.is; | ||
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| public class SysOperationsTest extends ClassLifecycleIntegrationTest { | ||
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| private SQLTransportExecutor executor; | ||
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| @Before | ||
| public void before() throws Exception { | ||
| executor = SQLTransportExecutor.create(ClassLifecycleIntegrationTest.GLOBAL_CLUSTER); | ||
| executor.exec("set global stats.enabled = true"); | ||
| } | ||
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| @After | ||
| public void after() { | ||
| executor.exec("set global stats.enabled = false"); | ||
| } | ||
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| @Test | ||
| public void testDistinctSysOperations() throws Exception { | ||
| // this tests a distributing collect without shards but DOC level granularity | ||
| SQLResponse response = executor.exec("select distinct name from sys.operations limit 1"); | ||
| assertThat(response.rowCount(), is(1L)); | ||
| } | ||
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| @Test | ||
| public void testQueryNameFromSysOperations() throws Exception { | ||
| SQLResponse resp = executor.exec("select name, job_id from sys.operations order by name asc"); | ||
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| // usually this should return collect on 2 nodes, localMerge on 1 node | ||
| // but it could be that the collect is finished before the localMerge task is started in which | ||
| // case it is missing. | ||
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| assertThat(resp.rowCount(), Matchers.greaterThanOrEqualTo(2L)); | ||
| List<String> names = new ArrayList<>(); | ||
| for (Object[] objects : resp.rows()) { | ||
| names.add((String) objects[0]); | ||
| } | ||
| Collections.sort(names); | ||
| assertTrue(names.contains("collect")); | ||
| } | ||
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| @Test | ||
| public void testNodeExpressionOnSysOperations() throws Exception { | ||
| executor.exec("select * from sys.nodes"); | ||
| SQLResponse response = executor.exec("select _node['name'], id from sys.operations limit 1"); | ||
| assertThat(response.rowCount(), is(1L)); | ||
| assertThat(response.rows()[0][0].toString(), startsWith("node")); | ||
| } | ||
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| } |
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