[SQL] [Minor] HiveParquetSuite was disabled by mistake, re-enable them

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Author: Cheng Lian <lian@databricks.com>

Closes #4440 from liancheng/parquet-oops and squashes the following commits:

f21ede4 [Cheng Lian] HiveParquetSuite was disabled by mistake, re-enable them.

sql/core/src/test/scala/org/apache/spark/sql/parquet/ParquetQuerySuite.scala

@@ -35,7 +35,6 @@ class ParquetQuerySuite extends QueryTest with ParquetTest {
       }
     }
 
-    // TODO Re-enable this after data source insertion API is merged
     test(s"$prefix: appending") {
       val data = (0 until 10).map(i => (i, i.toString))
       withParquetTable(data, "t") {

sql/hive/src/test/scala/org/apache/spark/sql/parquet/HiveParquetSuite.scala

@@ -17,7 +17,7 @@
 
 package org.apache.spark.sql.parquet
 
-import org.apache.spark.sql.QueryTest
+import org.apache.spark.sql.{SQLConf, QueryTest}
 import org.apache.spark.sql.catalyst.expressions.Row
 import org.apache.spark.sql.hive.test.TestHive
 
@@ -64,8 +64,7 @@ class HiveParquetSuite extends QueryTest with ParquetTest {
       }
     }
 
-    // TODO Re-enable this after data source insertion API is merged
-    ignore(s"$prefix: INSERT OVERWRITE TABLE Parquet table") {
+    test(s"$prefix: INSERT OVERWRITE TABLE Parquet table") {
       withParquetTable((1 to 10).map(i => (i, s"val_$i")), "t") {
         withTempPath { file =>
           sql("SELECT * FROM t LIMIT 1").saveAsParquetFile(file.getCanonicalPath)
@@ -81,4 +80,12 @@ class HiveParquetSuite extends QueryTest with ParquetTest {
       }
     }
   }
+
+  withSQLConf(SQLConf.PARQUET_USE_DATA_SOURCE_API -> "true") {
+    run("Parquet data source enabled")
+  }
+
+  withSQLConf(SQLConf.PARQUET_USE_DATA_SOURCE_API -> "false") {
+    run("Parquet data source disabled")
+  }
 }