[CARBONDATA-4272]carbondata test case not including the load command …

…with overwrite

integration/spark/src/test/scala/org/apache/carbondata/spark/testsuite/dataload/TestDataLoadWithOverWrite.scala

@@ -0,0 +1,64 @@
+/*
+ * 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.carbondata.spark.testsuite.dataload
+
+import org.apache.spark.sql.test.util.QueryTest
+import org.scalatest.BeforeAndAfterAll
+
+class TestDataLoadWithOverWrite extends QueryTest with BeforeAndAfterAll {
+  val testData = s"$resourcesPath/sample.csv"
+
+  override def beforeAll() {
+    sql("DROP TABLE IF EXISTS carbon_load_overwrite")
+  }
+
+  test("01 load with overwrite command, check overwrite covering load segments") {
+    sql("DROP TABLE IF EXISTS carbon_load_overwrite")
+    sql(
+      """
+        | CREATE TABLE carbon_load_overwrite(id int, name string, city string, age int)
+        | STORED AS carbondata
+      """.stripMargin)
+
+    sql(s"LOAD DATA LOCAL INPATH '$testData' into table carbon_load_overwrite")
+    val result1 = sql(s"select * from carbon_load_overwrite").collect()
+    sql(s"LOAD DATA LOCAL INPATH '$testData' into table carbon_load_overwrite")
+    sql(s"LOAD DATA LOCAL INPATH '$testData' overwrite into table carbon_load_overwrite")
+    val result2 = sql(s"select * from carbon_load_overwrite").collect()
+    assert(result1 sameElements result2)
+  }
+
+  test("02 load with overwrite command, check overwrite covering overwrite segments") {
+    sql("DROP TABLE IF EXISTS carbon_load_overwrite")
+    sql(
+      """
+        | CREATE TABLE carbon_load_overwrite(id int, name string, city string, age int)
+        | STORED AS carbondata
+      """.stripMargin)
+    sql(s"LOAD DATA LOCAL INPATH '$testData' overwrite into table carbon_load_overwrite")
+    val result1 = sql(s"select * from carbon_load_overwrite").collect()
+    sql(s"LOAD DATA LOCAL INPATH '$testData' overwrite into table carbon_load_overwrite")
+    sql(s"LOAD DATA LOCAL INPATH '$testData' overwrite into table carbon_load_overwrite")
+    val result2 = sql(s"select * from carbon_load_overwrite").collect()
+    assert(result1 sameElements result2)
+  }
+
+  override protected def afterAll() {
+    sql("DROP TABLE IF EXISTS carbon_load_overwrite")
+  }
+}