fix UT error

Author: mgaido91

sql/core/src/test/resources/sql-tests/inputs/udaf-regrfunctions.sql

@@ -47,6 +47,8 @@ CREATE OR REPLACE TEMPORARY VIEW t1 AS SELECT * FROM VALUES
  (800, 7, 1, 1)
 as t1(id, px, y, x);
 
+set spark.sql.codegen.wholeStage=false;
+
 select px, var_pop(x), var_pop(y), corr(y,x), covar_samp(y,x), covar_pop(y,x), regr_count(y,x),
  regr_slope(y,x), regr_intercept(y,x), regr_r2(y,x), regr_sxx(y,x), regr_syy(y,x), regr_sxy(y,x),
  regr_avgx(y,x), regr_avgy(y,x), regr_count(y,x)

sql/core/src/test/resources/sql-tests/results/udaf-regrfunctions.sql.out

@@ -1,5 +1,5 @@
 -- Automatically generated by SQLQueryTestSuite
--- Number of queries: 3
+-- Number of queries: 4
 
 
 -- !query 0
@@ -41,13 +41,21 @@ struct<>
 
 
 -- !query 1
+set spark.sql.codegen.wholeStage=false
+-- !query 1 schema
+struct<key:string,value:string>
+-- !query 1 output
+spark.sql.codegen.wholeStage	false
+
+
+-- !query 2
 select px, var_pop(x), var_pop(y), corr(y,x), covar_samp(y,x), covar_pop(y,x), regr_count(y,x),
  regr_slope(y,x), regr_intercept(y,x), regr_r2(y,x), regr_sxx(y,x), regr_syy(y,x), regr_sxy(y,x),
  regr_avgx(y,x), regr_avgy(y,x), regr_count(y,x)
 from t1 group by px order by px
--- !query 1 schema
+-- !query 2 schema
 struct<px:int,var_pop(CAST(x AS DOUBLE)):double,var_pop(CAST(y AS DOUBLE)):double,corr(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,covar_samp(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,covar_pop(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_count(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):bigint,regr_slope(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_intercept(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_r2(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_sxx(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_syy(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_sxy(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_avgx(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_avgy(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):double,regr_count(CAST(y AS DOUBLE), CAST(x AS DOUBLE)):bigint>
--- !query 1 output
+-- !query 2 output
 1	1.25	1.25	1.0	1.6666666666666667	1.25	4	1.0	0.0	1.0	5.0	5.0	5.0	2.5	2.5	4
 2	1.25	0.0	NULL	0.0	0.0	4	0.0	1.0	1.0	5.0	0.0	0.0	2.5	1.0	4
 3	0.0	1.25	NULL	0.0	0.0	4	NULL	NULL	NULL	0.0	5.0	0.0	1.0	2.5	4
@@ -57,11 +65,11 @@ struct<px:int,var_pop(CAST(x AS DOUBLE)):double,var_pop(CAST(y AS DOUBLE)):doubl
 7	0.0	0.0	NaN	NaN	0.0	1	NULL	NULL	NULL	0.0	0.0	0.0	1.0	1.0	1
 
 
--- !query 2
+-- !query 3
 select id, regr_count(y,x) over (partition by px) from t1 order by id
--- !query 2 schema
+-- !query 3 schema
 struct<id:int,regr_count(CAST(y AS DOUBLE), CAST(x AS DOUBLE)) OVER (PARTITION BY px ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING):bigint>
--- !query 2 output
+-- !query 3 output
 101	4
 102	4
 103	4