| /* |
| * 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.exec.udfs; |
| |
| import org.apache.drill.categories.SqlFunctionTest; |
| import org.apache.drill.categories.UnlikelyTest; |
| import org.apache.drill.common.types.TypeProtos.MinorType; |
| import org.apache.drill.exec.physical.rowSet.RowSet; |
| import org.apache.drill.exec.record.metadata.SchemaBuilder; |
| import org.apache.drill.exec.record.metadata.TupleMetadata; |
| import org.apache.drill.exec.rpc.RpcException; |
| import org.apache.drill.test.ClusterFixture; |
| import org.apache.drill.test.ClusterFixtureBuilder; |
| import org.apache.drill.test.ClusterTest; |
| import org.apache.drill.test.QueryBuilder; |
| import org.apache.drill.test.rowSet.RowSetComparison; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import static org.apache.drill.test.rowSet.RowSetUtilities.mapArray; |
| import static org.apache.drill.test.rowSet.RowSetUtilities.strArray; |
| import static org.junit.Assert.assertEquals; |
| |
| @Category({UnlikelyTest.class, SqlFunctionTest.class}) |
| public class TestComplexSchemaFunctions extends ClusterTest { |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| ClusterFixtureBuilder builder = ClusterFixture.builder(dirTestWatcher); |
| startCluster(builder); |
| } |
| |
| @Test |
| public void testMapSchemaFunction() throws RpcException { |
| String sql = "SELECT getMapSchema(record) AS schema FROM cp.`json/nestedSchema.json`"; |
| |
| QueryBuilder q = client.queryBuilder().sql(sql); |
| RowSet results = q.rowSet(); |
| assertEquals(results.rowCount(), 1); |
| |
| TupleMetadata expectedSchema = new SchemaBuilder() |
| .addMap("schema") |
| .addNullable("int_field", MinorType.VARCHAR) |
| .addNullable("double_field", MinorType.VARCHAR) |
| .addNullable("string_field", MinorType.VARCHAR) |
| .addNullable("boolean_field", MinorType.VARCHAR) |
| .addNullable("int_list", MinorType.VARCHAR) |
| .addNullable("double_list", MinorType.VARCHAR) |
| .addNullable("boolean_list", MinorType.VARCHAR) |
| .addNullable("map", MinorType.VARCHAR) |
| .addNullable("repeated_map", MinorType.VARCHAR) |
| .resumeSchema() |
| .build(); |
| |
| RowSet expected = client.rowSetBuilder(expectedSchema) |
| .addRow((Object)strArray("BIGINT", "FLOAT8", "VARCHAR", "BIT", "REPEATED_BIGINT", "REPEATED_FLOAT8", "REPEATED_BIT", "MAP", "REPEATED_MAP")) |
| .build(); |
| |
| new RowSetComparison(expected).verifyAndClearAll(results); |
| } |
| |
| @Test |
| public void testMapSchemaFunctionWithInnerMap() throws RpcException { |
| String sql = "SELECT getMapSchema(t1.record.map) AS schema FROM cp.`json/nestedSchema.json` AS t1"; |
| |
| QueryBuilder q = client.queryBuilder().sql(sql); |
| RowSet results = q.rowSet(); |
| assertEquals(results.rowCount(), 1); |
| |
| TupleMetadata expectedSchema = new SchemaBuilder() |
| .addMap("schema") |
| .addNullable("nested_int_field", MinorType.VARCHAR) |
| .addNullable("nested_double_field", MinorType.VARCHAR) |
| .addNullable("nested_string_field", MinorType.VARCHAR) |
| .resumeSchema() |
| .build(); |
| |
| RowSet expected = client.rowSetBuilder(expectedSchema) |
| .addRow((Object)strArray("BIGINT", "FLOAT8", "VARCHAR")) |
| .build(); |
| |
| new RowSetComparison(expected).verifyAndClearAll(results); |
| } |
| |
| @Test |
| public void testMapSchemaFunctionWithNull() throws RpcException { |
| String sql = "SELECT getMapSchema(null) AS schema FROM cp.`json/nestedSchema.json` AS t1"; |
| |
| QueryBuilder q = client.queryBuilder().sql(sql); |
| RowSet results = q.rowSet(); |
| |
| TupleMetadata expectedSchema = new SchemaBuilder() |
| .add("schema", MinorType.MAP) |
| .build(); |
| |
| RowSet expected = client.rowSetBuilder(expectedSchema) |
| .addRow((Object) mapArray()) |
| .build(); |
| |
| new RowSetComparison(expected).verifyAndClearAll(results); |
| } |
| } |