fix.

Author: gatorsmile

python/pyspark/sql/tests.py

@@ -1684,8 +1684,8 @@ def test_list_tables(self):
         self.assertEquals(spark.catalog.listTables(), [])
         self.assertEquals(spark.catalog.listTables("some_db"), [])
         spark.createDataFrame([(1, 1)]).createOrReplaceTempView("temp_tab")
-        spark.sql("CREATE TABLE tab1 (name STRING, age INT)")
-        spark.sql("CREATE TABLE some_db.tab2 (name STRING, age INT)")
+        spark.sql("CREATE TABLE tab1 (name STRING, age INT) USING parquet")
+        spark.sql("CREATE TABLE some_db.tab2 (name STRING, age INT) USING parquet")
         tables = sorted(spark.catalog.listTables(), key=lambda t: t.name)
         tablesDefault = sorted(spark.catalog.listTables("default"), key=lambda t: t.name)
         tablesSomeDb = sorted(spark.catalog.listTables("some_db"), key=lambda t: t.name)
@@ -1763,8 +1763,8 @@ def test_list_columns(self):
         spark = self.spark
         spark.catalog._reset()
         spark.sql("CREATE DATABASE some_db")
-        spark.sql("CREATE TABLE tab1 (name STRING, age INT)")
-        spark.sql("CREATE TABLE some_db.tab2 (nickname STRING, tolerance FLOAT)")
+        spark.sql("CREATE TABLE tab1 (name STRING, age INT) USING parquet")
+        spark.sql("CREATE TABLE some_db.tab2 (nickname STRING, tolerance FLOAT) USING parquet")
         columns = sorted(spark.catalog.listColumns("tab1"), key=lambda c: c.name)
         columnsDefault = sorted(spark.catalog.listColumns("tab1", "default"), key=lambda c: c.name)
         self.assertEquals(columns, columnsDefault)