Remove unnecessary and unreliable test

src/test/regress/expected/prepared_xacts.out

@@ -247,58 +247,8 @@ SELECT gid FROM pg_prepared_xacts;
 -----
 (0 rows)
 
-CREATE TABLE pxtest5 (a SERIAL);
-INSERT INTO pxtest5 DEFAULT VALUES;
-SELECT * FROM pxtest5;
- a 
----
- 1
-(1 row)
-
-BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-  TRUNCATE pxtest5;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-PREPARE TRANSACTION 'trunc-and-pgstat';
-SELECT pg_sleep(0.5);
- pg_sleep 
-----------
- 
-(1 row)
-
-SELECT n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
-  FROM pg_stat_user_tables
- WHERE relname='pxtest5';
- n_tup_ins | n_tup_upd | n_tup_del | n_live_tup | n_dead_tup 
------------+-----------+-----------+------------+------------
-         1 |         0 |         0 |          1 |          0
-(1 row)
-
-COMMIT PREPARED 'trunc-and-pgstat';
-SELECT pg_sleep(0.5);
- pg_sleep 
-----------
- 
-(1 row)
-
-SELECT n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
-  FROM pg_stat_user_tables
- WHERE relname='pxtest5';
- n_tup_ins | n_tup_upd | n_tup_del | n_live_tup | n_dead_tup 
------------+-----------+-----------+------------+------------
-         2 |         0 |         0 |          1 |          0
-(1 row)
-
-SELECT * FROM pxtest5;
- a 
----
- 4
-(1 row)
-
 -- Clean up
 DROP TABLE pxtest2;
 DROP TABLE pxtest3;  -- will still be there if prepared xacts are disabled
 ERROR:  table "pxtest3" does not exist
 DROP TABLE pxtest4;
-DROP TABLE pxtest5;

src/test/regress/expected/prepared_xacts_1.out

@@ -249,62 +249,9 @@ SELECT gid FROM pg_prepared_xacts;
 -----
 (0 rows)
 
-CREATE TABLE pxtest5 (a SERIAL);
-INSERT INTO pxtest5 DEFAULT VALUES;
-SELECT * FROM pxtest5;
- a 
----
- 1
-(1 row)
-
-BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-  TRUNCATE pxtest5;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-PREPARE TRANSACTION 'trunc-and-pgstat';
-ERROR:  prepared transactions are disabled
-HINT:  Set max_prepared_transactions to a nonzero value.
-SELECT pg_sleep(0.5);
- pg_sleep 
-----------
- 
-(1 row)
-
-SELECT n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
-  FROM pg_stat_user_tables
- WHERE relname='pxtest5';
- n_tup_ins | n_tup_upd | n_tup_del | n_live_tup | n_dead_tup 
------------+-----------+-----------+------------+------------
-         3 |         0 |         0 |          1 |          2
-(1 row)
-
-COMMIT PREPARED 'trunc-and-pgstat';
-ERROR:  prepared transaction with identifier "trunc-and-pgstat" does not exist
-SELECT pg_sleep(0.5);
- pg_sleep 
-----------
- 
-(1 row)
-
-SELECT n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
-  FROM pg_stat_user_tables
- WHERE relname='pxtest5';
- n_tup_ins | n_tup_upd | n_tup_del | n_live_tup | n_dead_tup 
------------+-----------+-----------+------------+------------
-         3 |         0 |         0 |          1 |          2
-(1 row)
-
-SELECT * FROM pxtest5;
- a 
----
- 1
-(1 row)
-
 -- Clean up
 DROP TABLE pxtest2;
 ERROR:  table "pxtest2" does not exist
 DROP TABLE pxtest3;  -- will still be there if prepared xacts are disabled
 DROP TABLE pxtest4;
 ERROR:  table "pxtest4" does not exist
-DROP TABLE pxtest5;

src/test/regress/sql/prepared_xacts.sql

@@ -152,34 +152,7 @@ SELECT * FROM pxtest3;
 -- There should be no prepared transactions
 SELECT gid FROM pg_prepared_xacts;
 
-CREATE TABLE pxtest5 (a SERIAL);
-INSERT INTO pxtest5 DEFAULT VALUES;
-
-SELECT * FROM pxtest5;
-
-BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-  TRUNCATE pxtest5;
-  INSERT INTO pxtest5 DEFAULT VALUES;
-PREPARE TRANSACTION 'trunc-and-pgstat';
-
-SELECT pg_sleep(0.5);
-SELECT n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
-  FROM pg_stat_user_tables
- WHERE relname='pxtest5';
-
-COMMIT PREPARED 'trunc-and-pgstat';
-
-SELECT pg_sleep(0.5);
-SELECT n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
-  FROM pg_stat_user_tables
- WHERE relname='pxtest5';
-
-SELECT * FROM pxtest5;
-
 -- Clean up
 DROP TABLE pxtest2;
 DROP TABLE pxtest3;  -- will still be there if prepared xacts are disabled
 DROP TABLE pxtest4;
-DROP TABLE pxtest5;