Porting executor, olap window and olap window error handling tests from legacy test suites.

src/test/regress/expected/cf_executor.out

+--start_ignore
+drop table if exists cf_executor_test;
+NOTICE:  table "cf_executor_test" does not exist, skipping
+create table cf_executor_test (a integer);
+NOTICE:  Table doesn't have 'DISTRIBUTED BY' clause -- Using column named 'a' as the Greenplum Database data distribution key for this table.
+HINT:  The 'DISTRIBUTED BY' clause determines the distribution of data. Make sure column(s) chosen are the optimal data distribution key to minimize skew.
+insert into cf_executor_test select a from generate_series(1,100) a;
+set log_min_messages=debug5;
+--end_ignore
+set debug_print_slice_table=on;
+select count(*) from cf_executor_test;
+ count 
+-------
+   100
+(1 row)
+
+--FOR UPDATE/FOR SHARE
+select * from cf_executor_test order by a limit 1 for update;
+ a 
+---
+ 1
+(1 row)
+
+select * from cf_executor_test order by a limit 1 for share;
+ a 
+---
+ 1
+(1 row)
+
+--returning clause
+insert into cf_executor_test values (1) returning *;
+ERROR:  The RETURNING clause of the INSERT statement is not supported in this version of Greenplum Database.
+--start_ignore
+drop table cf_executor_test;
+create table cf_executor_test (a integer);
+NOTICE:  Table doesn't have 'DISTRIBUTED BY' clause -- Using column named 'a' as the Greenplum Database data distribution key for this table.
+HINT:  The 'DISTRIBUTED BY' clause determines the distribution of data. Make sure column(s) chosen are the optimal data distribution key to minimize skew.
+insert into cf_executor_test select a from generate_series(1,5) a;
+--end_ignore
+select * from cf_executor_test limit null;
+ a 
+---
+ 3
+ 4
+ 5
+ 1
+ 2
+(5 rows)
+
+select * from cf_executor_test limit 0;
+ a 
+---
+(0 rows)
+
+--start_ignore
+reset log_min_messages;
+reset debug_print_slice_table;
+drop table cf_executor_test;
+--end_ignore

src/test/regress/greenplum_schedule

@@ -83,6 +83,8 @@ test: nested_case_null
 
 test: bfv_cte bfv_joins bfv_statistic bfv_subquery bfv_planner bfv_legacy
 
+test: cf_executor cf_olap_windowerr cf_olap_window
+
 ignore: tpch500GB_orca
 
 # XXX: This test depends on libgpoptudfs library, which includes ORCA helper

src/test/regress/sql/cf_executor.sql

+--start_ignore
+drop table if exists cf_executor_test;
+create table cf_executor_test (a integer);
+insert into cf_executor_test select a from generate_series(1,100) a;
+set log_min_messages=debug5;
+--end_ignore
+
+set debug_print_slice_table=on;
+select count(*) from cf_executor_test;
+
+--FOR UPDATE/FOR SHARE
+select * from cf_executor_test order by a limit 1 for update;
+select * from cf_executor_test order by a limit 1 for share;
+
+--returning clause
+insert into cf_executor_test values (1) returning *;
+
+--start_ignore
+drop table cf_executor_test;
+create table cf_executor_test (a integer);
+insert into cf_executor_test select a from generate_series(1,5) a;
+--end_ignore
+
+select * from cf_executor_test limit null;
+select * from cf_executor_test limit 0;
+
+--start_ignore
+reset log_min_messages;
+reset debug_print_slice_table;
+drop table cf_executor_test;
+--end_ignore
\ No newline at end of file