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exec/java-exec/src/test/java/org/apache/drill/exec/store/json/TestJsonConversionUDF.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.drill.exec.store.json; | ||
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| import ch.qos.logback.classic.Level; | ||
| import org.apache.drill.exec.ExecConstants; | ||
| import org.apache.drill.exec.physical.impl.project.ProjectRecordBatch; | ||
| import org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator; | ||
| import org.apache.drill.exec.physical.rowSet.RowSet; | ||
| import org.apache.drill.exec.store.easy.json.loader.JsonLoaderImpl; | ||
| import org.apache.drill.test.ClusterFixture; | ||
| import org.apache.drill.test.ClusterTest; | ||
| import org.apache.drill.test.LogFixture; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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| import static org.junit.Assert.assertEquals; | ||
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| public class TestJsonConversionUDF extends ClusterTest { | ||
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| protected static LogFixture logFixture; | ||
| private final static Level CURRENT_LOG_LEVEL = Level.DEBUG; | ||
| @BeforeClass | ||
| public static void setup() throws Exception { | ||
| logFixture = LogFixture.builder() | ||
| .toConsole() | ||
| .logger(ProjectRecordBatch.class, CURRENT_LOG_LEVEL) | ||
| .logger(JsonLoaderImpl.class, CURRENT_LOG_LEVEL) | ||
| .logger(IteratorValidatorBatchIterator.class, CURRENT_LOG_LEVEL) | ||
| .build(); | ||
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| startCluster(ClusterFixture.builder(dirTestWatcher)); | ||
| } | ||
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| @Test | ||
| public void testConvertFromJsonFunctionWithBinaryInput() throws Exception { | ||
| client.alterSession(ExecConstants.JSON_READER_NAN_INF_NUMBERS, true); | ||
| String sql = "SELECT string_binary(convert_toJSON(convert_fromJSON(columns[1]))) as col FROM cp.`jsoninput/nan_test.csv`"; | ||
| RowSet results = client.queryBuilder().sql(sql).rowSet(); | ||
| assertEquals("Query result must contain 1 row", 1, results.rowCount()); | ||
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| results.print(); | ||
| } | ||
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| @Test | ||
| public void testConvertFromJSONWithStringInput() throws Exception { | ||
| // String sql = "SELECT *, convert_FromJSON('{\"foo\":\"bar\"}') FROM cp.`jsoninput/allTypes.csv`"; | ||
| String sql = "SELECT convert_FromJSON('{\"foo\":\"bar\"}') FROM (VALUES(1))"; | ||
| RowSet results = client.queryBuilder().sql(sql).rowSet(); | ||
| results.print(); | ||
| } | ||
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| /* | ||
| private void doTestConvertToJsonFunction() throws Exception { | ||
| String table = "nan_test.csv"; | ||
| File file = new File(dirTestWatcher.getRootDir(), table); | ||
| String csv = "col_0, {\"nan_col\":NaN}"; | ||
| String query = String.format("select string_binary(convert_toJSON(convert_fromJSON(columns[1]))) as col " + | ||
| "from dfs.`%s` where columns[0]='col_0'", table); | ||
| try { | ||
| FileUtils.writeStringToFile(file, csv, Charset.defaultCharset()); | ||
| List<QueryDataBatch> results = testSqlWithResults(query); | ||
| RecordBatchLoader batchLoader = new RecordBatchLoader(getAllocator()); | ||
| assertEquals("Query result must contain 1 row", 1, results.size()); | ||
| QueryDataBatch batch = results.get(0); | ||
| batchLoader.load(batch.getHeader().getDef(), batch.getData()); | ||
| VectorWrapper<?> vw = batchLoader.getValueAccessorById(VarCharVector.class, batchLoader.getValueVectorId(SchemaPath.getCompoundPath("col")).getFieldIds()); | ||
| // ensuring that `NaN` token ARE NOT enclosed with double quotes | ||
| String resultJson = vw.getValueVector().getAccessor().getObject(0).toString(); | ||
| int nanIndex = resultJson.indexOf("NaN"); | ||
| assertNotEquals("`NaN` must not be enclosed with \"\" ", '"', resultJson.charAt(nanIndex - 1)); | ||
| assertNotEquals("`NaN` must not be enclosed with \"\" ", '"', resultJson.charAt(nanIndex + "NaN".length())); | ||
| batch.release(); | ||
| batchLoader.clear(); | ||
| } finally { | ||
| FileUtils.deleteQuietly(file); | ||
| } | ||
| } | ||
| @Test | ||
| public void testConvertFromJsonFunction() throws Exception { | ||
| //runBoth(this::doTestConvertFromJsonFunction); | ||
| } | ||
| private void doTestConvertFromJsonFunction() throws Exception { | ||
| String table = "nan_test.csv"; | ||
| File file = new File(dirTestWatcher.getRootDir(), table); | ||
| String csv = "col_0, {\"nan_col\":NaN}"; | ||
| try { | ||
| FileUtils.writeStringToFile(file, csv); | ||
| testBuilder() | ||
| .sqlQuery(String.format("select convert_fromJSON(columns[1]) as col from dfs.`%s`", table)) | ||
| .unOrdered() | ||
| .baselineColumns("col") | ||
| .baselineValues(mapOf("nan_col", Double.NaN)) | ||
| .go(); | ||
| } finally { | ||
| FileUtils.deleteQuietly(file); | ||
| } | ||
| } | ||
| */ | ||
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| } |
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