Github user Vlad-Storona commented on a diff in the pull request:
https://github.com/apache/drill/pull/774#discussion_r148568965
--- Diff: contrib/storage-opentsdb/src/main/java/org/apache/drill/exec/store/openTSDB/client/services/ServiceImpl.java
---
@@ -0,0 +1,176 @@
+/*
+ * 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.store.openTSDB.client.services;
+
+import org.apache.drill.exec.store.openTSDB.client.OpenTSDB;
+import org.apache.drill.exec.store.openTSDB.client.OpenTSDBTypes;
+import org.apache.drill.exec.store.openTSDB.client.Service;
+import org.apache.drill.exec.store.openTSDB.client.query.DBQuery;
+import org.apache.drill.exec.store.openTSDB.client.query.Query;
+import org.apache.drill.exec.store.openTSDB.dto.ColumnDTO;
+import org.apache.drill.exec.store.openTSDB.dto.MetricDTO;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import static org.apache.drill.exec.store.openTSDB.Constants.AGGREGATOR;
+import static org.apache.drill.exec.store.openTSDB.Constants.DOWNSAMPLE;
+import static org.apache.drill.exec.store.openTSDB.Constants.METRIC;
+import static org.apache.drill.exec.store.openTSDB.Util.isTableNameValid;
+import static org.apache.drill.exec.store.openTSDB.Util.parseFROMRowData;
+
+public class ServiceImpl implements Service {
+
+ private static final Logger log =
+ LoggerFactory.getLogger(ServiceImpl.class);
+
+ private OpenTSDB client;
+ private Map<String, String> queryParameters;
+
+ public ServiceImpl(String connectionURL) {
+ this.client = new Retrofit.Builder()
+ .baseUrl(connectionURL)
+ .addConverterFactory(JacksonConverterFactory.create())
+ .build()
+ .create(OpenTSDB.class);
+ }
+
+ @Override
+ public Set<MetricDTO> getTablesFromDB() {
+ return getAllMetricsByTags();
+ }
+
+ @Override
+ public Set<String> getAllTableNames() {
+ return getTableNames();
+ }
+
+ @Override
+ public List<ColumnDTO> getUnfixedColumnsToSchema() {
+ Set<MetricDTO> tables = getAllMetricsByTags();
+ List<ColumnDTO> unfixedColumns = new ArrayList<>();
+
+ for (MetricDTO table : tables) {
+ for (String tag : table.getTags().keySet()) {
+ ColumnDTO tmp = new ColumnDTO(tag, OpenTSDBTypes.STRING);
+ if (!unfixedColumns.contains(tmp)) {
+ unfixedColumns.add(tmp);
+ }
+ }
+ }
+ return unfixedColumns;
+ }
+
+ @Override
+ public void setupQueryParameters(String rowData) {
+ if (!isTableNameValid(rowData)) {
+ this.queryParameters = parseFROMRowData(rowData);
+ } else {
+ Map<String, String> params = new HashMap<>();
+ params.put(METRIC, rowData);
+ this.queryParameters = params;
+ }
+ }
+
+ private Set<MetricDTO> getAllMetricsByTags() {
+ try {
+ return getAllMetricsFromDBByTags();
+ } catch (IOException e) {
+ logIOException(e);
--- End diff --
No, it is the critical exception. I will add exception throwing with the detailed message.
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