Parsed test spec with 2 sessions

starting permutation: update1 merge_status c2 select1 c1
step update1: UPDATE target t SET balance = balance + 10, val = t.val || ' updated by update1' WHERE t.key = 1;
step merge_status: 
  MERGE INTO target t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
step merge_status: <... completed>
step select1: SELECT * FROM target;
key|balance|status|val                           
---+-------+------+------------------------------
  1|    170|s2    |setup updated by update1 when1
(1 row)

step c1: COMMIT;

starting permutation: update1_tg merge_status_tg c2 select1_tg c1
s2: NOTICE:  Update: (1,160,s1,setup) -> (1,170,s1,"setup updated by update1_tg")
step update1_tg: UPDATE target_tg t SET balance = balance + 10, val = t.val || ' updated by update1_tg' WHERE t.key = 1;
step merge_status_tg: 
  MERGE INTO target_tg t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
s1: NOTICE:  Update: (1,170,s1,"setup updated by update1_tg") -> (1,170,s2,"setup updated by update1_tg when1")
step merge_status_tg: <... completed>
step select1_tg: SELECT * FROM target_tg;
key|balance|status|val                              
---+-------+------+---------------------------------
  1|    170|s2    |setup updated by update1_tg when1
(1 row)

step c1: COMMIT;

starting permutation: update2 merge_status c2 select1 c1
step update2: UPDATE target t SET status = 's2', val = t.val || ' updated by update2' WHERE t.key = 1;
step merge_status: 
  MERGE INTO target t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
step merge_status: <... completed>
step select1: SELECT * FROM target;
key|balance|status|val                           
---+-------+------+------------------------------
  1|    160|s3    |setup updated by update2 when2
(1 row)

step c1: COMMIT;

starting permutation: update2_tg merge_status_tg c2 select1_tg c1
s2: NOTICE:  Update: (1,160,s1,setup) -> (1,160,s2,"setup updated by update2_tg")
step update2_tg: UPDATE target_tg t SET status = 's2', val = t.val || ' updated by update2_tg' WHERE t.key = 1;
step merge_status_tg: 
  MERGE INTO target_tg t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
s1: NOTICE:  Update: (1,160,s2,"setup updated by update2_tg") -> (1,160,s3,"setup updated by update2_tg when2")
step merge_status_tg: <... completed>
step select1_tg: SELECT * FROM target_tg;
key|balance|status|val                              
---+-------+------+---------------------------------
  1|    160|s3    |setup updated by update2_tg when2
(1 row)

step c1: COMMIT;

starting permutation: update3 merge_status c2 select1 c1
step update3: UPDATE target t SET status = 's3', val = t.val || ' updated by update3' WHERE t.key = 1;
step merge_status: 
  MERGE INTO target t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
step merge_status: <... completed>
step select1: SELECT * FROM target;
key|balance|status|val                           
---+-------+------+------------------------------
  1|    160|s4    |setup updated by update3 when3
(1 row)

step c1: COMMIT;

starting permutation: update3_tg merge_status_tg c2 select1_tg c1
s2: NOTICE:  Update: (1,160,s1,setup) -> (1,160,s3,"setup updated by update3_tg")
step update3_tg: UPDATE target_tg t SET status = 's3', val = t.val || ' updated by update3_tg' WHERE t.key = 1;
step merge_status_tg: 
  MERGE INTO target_tg t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
s1: NOTICE:  Update: (1,160,s3,"setup updated by update3_tg") -> (1,160,s4,"setup updated by update3_tg when3")
step merge_status_tg: <... completed>
step select1_tg: SELECT * FROM target_tg;
key|balance|status|val                              
---+-------+------+---------------------------------
  1|    160|s4    |setup updated by update3_tg when3
(1 row)

step c1: COMMIT;

starting permutation: update5 merge_status c2 select1 c1
step update5: UPDATE target t SET status = 's5', val = t.val || ' updated by update5' WHERE t.key = 1;
step merge_status: 
  MERGE INTO target t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
step merge_status: <... completed>
step select1: SELECT * FROM target;
key|balance|status|val                     
---+-------+------+------------------------
  1|    160|s5    |setup updated by update5
(1 row)

step c1: COMMIT;

starting permutation: update5_tg merge_status_tg c2 select1_tg c1
s2: NOTICE:  Update: (1,160,s1,setup) -> (1,160,s5,"setup updated by update5_tg")
step update5_tg: UPDATE target_tg t SET status = 's5', val = t.val || ' updated by update5_tg' WHERE t.key = 1;
step merge_status_tg: 
  MERGE INTO target_tg t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND status = 's1' THEN
	UPDATE SET status = 's2', val = t.val || ' when1'
  WHEN MATCHED AND status = 's2' THEN
	UPDATE SET status = 's3', val = t.val || ' when2'
  WHEN MATCHED AND status = 's3' THEN
	UPDATE SET status = 's4', val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
step merge_status_tg: <... completed>
step select1_tg: SELECT * FROM target_tg;
key|balance|status|val                        
---+-------+------+---------------------------
  1|    160|s5    |setup updated by update5_tg
(1 row)

step c1: COMMIT;

starting permutation: update_bal1 merge_bal c2 select1 c1
step update_bal1: UPDATE target t SET balance = 50, val = t.val || ' updated by update_bal1' WHERE t.key = 1;
step merge_bal: 
  MERGE INTO target t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND balance < 100 THEN
	UPDATE SET balance = balance * 2, val = t.val || ' when1'
  WHEN MATCHED AND balance < 200 THEN
	UPDATE SET balance = balance * 4, val = t.val || ' when2'
  WHEN MATCHED AND balance < 300 THEN
	UPDATE SET balance = balance * 8, val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
step merge_bal: <... completed>
step select1: SELECT * FROM target;
key|balance|status|val                               
---+-------+------+----------------------------------
  1|    100|s1    |setup updated by update_bal1 when1
(1 row)

step c1: COMMIT;

starting permutation: update_bal1_pa merge_bal_pa c2 select1_pa c1
step update_bal1_pa: UPDATE target_pa t SET balance = 50, val = t.val || ' updated by update_bal1_pa' WHERE t.key = 1;
step merge_bal_pa: 
  MERGE INTO target_pa t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND balance < 100 THEN
	UPDATE SET balance = balance * 2, val = t.val || ' when1'
  WHEN MATCHED AND balance < 200 THEN
	UPDATE SET balance = balance * 4, val = t.val || ' when2'
  WHEN MATCHED AND balance < 300 THEN
	UPDATE SET balance = balance * 8, val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
step merge_bal_pa: <... completed>
step select1_pa: SELECT * FROM target_pa;
key|balance|status|val                                  
---+-------+------+-------------------------------------
  1|    100|s1    |setup updated by update_bal1_pa when1
(1 row)

step c1: COMMIT;

starting permutation: update_bal1_tg merge_bal_tg c2 select1_tg c1
s2: NOTICE:  Update: (1,160,s1,setup) -> (1,50,s1,"setup updated by update_bal1_tg")
step update_bal1_tg: UPDATE target_tg t SET balance = 50, val = t.val || ' updated by update_bal1_tg' WHERE t.key = 1;
step merge_bal_tg: 
  MERGE INTO target_tg t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND balance < 100 THEN
	UPDATE SET balance = balance * 2, val = t.val || ' when1'
  WHEN MATCHED AND balance < 200 THEN
	UPDATE SET balance = balance * 4, val = t.val || ' when2'
  WHEN MATCHED AND balance < 300 THEN
	UPDATE SET balance = balance * 8, val = t.val || ' when3';
 <waiting ...>
step c2: COMMIT;
s1: NOTICE:  Update: (1,50,s1,"setup updated by update_bal1_tg") -> (1,100,s1,"setup updated by update_bal1_tg when1")
step merge_bal_tg: <... completed>
step select1_tg: SELECT * FROM target_tg;
key|balance|status|val                                  
---+-------+------+-------------------------------------
  1|    100|s1    |setup updated by update_bal1_tg when1
(1 row)

step c1: COMMIT;

starting permutation: update1 merge_delete c2 select1 c1
step update1: UPDATE target t SET balance = balance + 10, val = t.val || ' updated by update1' WHERE t.key = 1;
step merge_delete: 
  MERGE INTO target t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND balance < 100 THEN
	UPDATE SET balance = balance * 2, val = t.val || ' when1'
  WHEN MATCHED AND balance < 200 THEN
    DELETE;
 <waiting ...>
step c2: COMMIT;
step merge_delete: <... completed>
step select1: SELECT * FROM target;
key|balance|status|val
---+-------+------+---
(0 rows)

step c1: COMMIT;

starting permutation: update1_tg merge_delete_tg c2 select1_tg c1
s2: NOTICE:  Update: (1,160,s1,setup) -> (1,170,s1,"setup updated by update1_tg")
step update1_tg: UPDATE target_tg t SET balance = balance + 10, val = t.val || ' updated by update1_tg' WHERE t.key = 1;
step merge_delete_tg: 
  MERGE INTO target_tg t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND balance < 100 THEN
	UPDATE SET balance = balance * 2, val = t.val || ' when1'
  WHEN MATCHED AND balance < 200 THEN
    DELETE;
 <waiting ...>
step c2: COMMIT;
s1: NOTICE:  Delete: (1,170,s1,"setup updated by update1_tg")
step merge_delete_tg: <... completed>
step select1_tg: SELECT * FROM target_tg;
key|balance|status|val
---+-------+------+---
(0 rows)

step c1: COMMIT;

starting permutation: update_bal1 merge_delete c2 select1 c1
step update_bal1: UPDATE target t SET balance = 50, val = t.val || ' updated by update_bal1' WHERE t.key = 1;
step merge_delete: 
  MERGE INTO target t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND balance < 100 THEN
	UPDATE SET balance = balance * 2, val = t.val || ' when1'
  WHEN MATCHED AND balance < 200 THEN
    DELETE;
 <waiting ...>
step c2: COMMIT;
step merge_delete: <... completed>
step select1: SELECT * FROM target;
key|balance|status|val                               
---+-------+------+----------------------------------
  1|    100|s1    |setup updated by update_bal1 when1
(1 row)

step c1: COMMIT;

starting permutation: update_bal1_tg merge_delete_tg c2 select1_tg c1
s2: NOTICE:  Update: (1,160,s1,setup) -> (1,50,s1,"setup updated by update_bal1_tg")
step update_bal1_tg: UPDATE target_tg t SET balance = 50, val = t.val || ' updated by update_bal1_tg' WHERE t.key = 1;
step merge_delete_tg: 
  MERGE INTO target_tg t
  USING (SELECT 1 as key) s
  ON s.key = t.key
  WHEN MATCHED AND balance < 100 THEN
	UPDATE SET balance = balance * 2, val = t.val || ' when1'
  WHEN MATCHED AND balance < 200 THEN
    DELETE;
 <waiting ...>
step c2: COMMIT;
s1: NOTICE:  Update: (1,50,s1,"setup updated by update_bal1_tg") -> (1,100,s1,"setup updated by update_bal1_tg when1")
step merge_delete_tg: <... completed>
step select1_tg: SELECT * FROM target_tg;
key|balance|status|val                                  
---+-------+------+-------------------------------------
  1|    100|s1    |setup updated by update_bal1_tg when1
(1 row)

step c1: COMMIT;