Move the tests into sql query test suit

sql/core/src/test/resources/sql-tests/inputs/random.sql

@@ -0,0 +1,17 @@
+-- rand with the seed 0
+SELECT rand(0);
+SELECT rand(cast(3 / 7 AS int));
+SELECT rand(NULL);
+SELECT rand(cast(NULL AS int));
+
+-- rand unsupported data type
+SELECT rand(1.0);
+
+-- randn with the seed 0
+SELECT randn(0L);
+SELECT randn(cast(3 / 7 AS long));
+SELECT randn(NULL);
+SELECT randn(cast(NULL AS long));
+
+-- randn unsupported data type
+SELECT rand('1')

sql/core/src/test/resources/sql-tests/results/random.sql.out

@@ -0,0 +1,84 @@
+-- Automatically generated by SQLQueryTestSuite
+-- Number of queries: 10
+
+
+-- !query 0
+SELECT rand(0)
+-- !query 0 schema
+struct<rand(0):double>
+-- !query 0 output
+0.8446490682263027
+
+
+-- !query 1
+SELECT rand(cast(3 / 7 AS int))
+-- !query 1 schema
+struct<rand(CAST((CAST(3 AS DOUBLE) / CAST(7 AS DOUBLE)) AS INT)):double>
+-- !query 1 output
+0.8446490682263027
+
+
+-- !query 2
+SELECT rand(NULL)
+-- !query 2 schema
+struct<rand(CAST(NULL AS INT)):double>
+-- !query 2 output
+0.8446490682263027
+
+
+-- !query 3
+SELECT rand(cast(NULL AS int))
+-- !query 3 schema
+struct<rand(CAST(NULL AS INT)):double>
+-- !query 3 output
+0.8446490682263027
+
+
+-- !query 4
+SELECT rand(1.0)
+-- !query 4 schema
+struct<>
+-- !query 4 output
+org.apache.spark.sql.AnalysisException
+cannot resolve 'rand(1.0BD)' due to data type mismatch: argument 1 requires (int or bigint) type, however, '1.0BD' is of decimal(2,1) type.; line 1 pos 7
+
+
+-- !query 5
+SELECT randn(0L)
+-- !query 5 schema
+struct<randn(0):double>
+-- !query 5 output
+1.1164209726833079
+
+
+-- !query 6
+SELECT randn(cast(3 / 7 AS long))
+-- !query 6 schema
+struct<randn(CAST((CAST(3 AS DOUBLE) / CAST(7 AS DOUBLE)) AS BIGINT)):double>
+-- !query 6 output
+1.1164209726833079
+
+
+-- !query 7
+SELECT randn(NULL)
+-- !query 7 schema
+struct<randn(CAST(NULL AS INT)):double>
+-- !query 7 output
+1.1164209726833079
+
+
+-- !query 8
+SELECT randn(cast(NULL AS long))
+-- !query 8 schema
+struct<randn(CAST(NULL AS BIGINT)):double>
+-- !query 8 output
+1.1164209726833079
+
+
+-- !query 9
+SELECT rand('1')
+-- !query 9 schema
+struct<>
+-- !query 9 output
+org.apache.spark.sql.AnalysisException
+cannot resolve 'rand('1')' due to data type mismatch: argument 1 requires (int or bigint) type, however, ''1'' is of string type.; line 1 pos 7

sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala

@@ -1728,29 +1728,4 @@ class DataFrameSuite extends QueryTest with SharedSQLContext {
     val df = spark.createDataFrame(spark.sparkContext.makeRDD(rows), schema)
     assert(df.filter($"array1" === $"array2").count() == 1)
   }
-
-  test("SPARK-17854: rand/randn allows null and long as input seed") {
-    checkAnswer(testData.selectExpr("rand(NULL)"), testData.selectExpr("rand(0)"))
-    checkAnswer(testData.selectExpr("rand(0L)"), testData.selectExpr("rand(0)"))
-    checkAnswer(testData.selectExpr("randn(NULL)"), testData.selectExpr("randn(0)"))
-    checkAnswer(testData.selectExpr("randn(0L)"), testData.selectExpr("randn(0)"))
-    checkAnswer(testData.selectExpr("rand(cast(NULL AS INT))"), testData.selectExpr("rand(0)"))
-    checkAnswer(testData.selectExpr("rand(cast(3 / 7 AS INT))"), testData.selectExpr("rand(0)"))
-    checkAnswer(
-      testData.selectExpr("randn(cast(NULL AS LONG))"), testData.selectExpr("randn(0L)"))
-    checkAnswer(
-      testData.selectExpr("randn(cast(3L / 12L AS LONG))"), testData.selectExpr("randn(0L)"))
-
-    val eOne = intercept[AnalysisException] {
-      testData.selectExpr("rand(key)").collect()
-    }
-    assert(
-      eOne.message.contains("Input argument to rand must be an integer, long or null literal."))
-
-    val eTwo = intercept[AnalysisException] {
-      testData.selectExpr("randn(key)").collect()
-    }
-    assert(
-      eTwo.message.contains("Input argument to randn must be an integer, long or null literal."))
-  }
 }