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Subject [GitHub] [drill] paul-rogers commented on a change in pull request #1888: DRILL-5956: Add Storage Plugin for Apache Druid
Date Sat, 14 Mar 2020 07:09:22 GMT
paul-rogers commented on a change in pull request #1888: DRILL-5956: Add Storage Plugin for
Apache Druid
URL: https://github.com/apache/drill/pull/1888#discussion_r392563188
 
 

 ##########
 File path: contrib/storage-druid/src/main/java/org/apache/drill/exec/store/druid/DruidScanner.java
 ##########
 @@ -0,0 +1,67 @@
+/*
+ * 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.druid;
+
+
+import org.apache.drill.exec.store.druid.rest.DruidQueryClient;
+import org.apache.drill.shaded.guava.com.google.common.collect.ImmutableList;
+
+import java.util.List;
+
+public class DruidScanner {
+
+  final DruidQueryClient client;
+  final String dataSource;
+  int batchSizeBytes;
+  long limit;
+  List<String> projectedColumnNames;
+  long scanRequestTimeout;
+
+  public DruidScanner(DruidQueryClient client, String dataSource) {
+
+    this.client = client;
+    this.dataSource = dataSource;
+    this.batchSizeBytes = 1048576;
+    this.limit = 9223372036854775807L;
+    this.projectedColumnNames = null;
+  }
+
+  public DruidScanner setProjectedColumnNames(List<String> columnNames) {
+    if(columnNames != null) {
+      this.projectedColumnNames = ImmutableList.copyOf(columnNames);
+    } else {
+      this.projectedColumnNames = null;
+    }
+
+    return this;
+  }
+
+  public DruidScanner batchSizeBytes(int batchSizeBytes) {
+    this.batchSizeBytes = batchSizeBytes;
+    return this;
+  }
+
+  public DruidScanner limit(long limit) {
+    this.limit = limit;
+    return this;
+  }
+
+  public void GetDruidScannerIterator() {
+
+  }
 
 Review comment:
   Does this function do anything? Java functions usually start lower case...

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