Github user ChinmaySKulkarni commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/402#discussion_r229565710
--- Diff: phoenix-spark/src/it/java/org/apache/phoenix/spark/SparkUtil.java
---
@@ -0,0 +1,87 @@
+/*
+ * 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.phoenix.spark;
+
+import com.google.common.base.Joiner;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.phoenix.jdbc.PhoenixConnection;
+import org.apache.phoenix.query.QueryServices;
+import org.apache.phoenix.util.QueryBuilder;
+import org.apache.spark.SparkConf;
+import org.apache.spark.SparkContext;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Row;
+import org.apache.spark.sql.SQLContext;
+import org.apache.spark.sql.execution.SparkPlan;
+import org.mortbay.log.Log;
+import scala.Option;
+import scala.collection.JavaConverters;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+
+public class SparkUtil {
+
+ private static volatile SparkContext INSTANCE = null;
+
+ public static SparkContext getSparkContext() {
+ if (INSTANCE == null) {
+ synchronized (SparkUtil.class) {
+ if (INSTANCE == null) {
+ SparkConf conf = new SparkConf()
+ .setAppName("Java Spark Tests")
+ .setMaster("local[2]") // 2 threads, some
parallelism
+ .set("spark.ui.showConsoleProgress",
"false");// Disable printing stage progress
+ INSTANCE = new SparkContext(conf);
+ }
+ }
+ }
+ return INSTANCE;
+ }
+
+ public static ResultSet executeQuery(Connection conn, QueryBuilder
queryBuilder, String url, Configuration config)
+ throws SQLException {
+ SQLContext sqlContext = new
SQLContext(SparkUtil.getSparkContext());
--- End diff --
It looks as though `SQLContext` is
[deprecated](https://spark.apache.org/docs/2.3.0/api/java/org/apache/spark/sql/SQLContext.html#SQLContext-org.apache.spark.SparkContext-).
Quoting: _Deprecated. Use SparkSession.builder instead. Since 2.0.0._
---
