ij> AUTOCOMMIT OFF;
ij> -- MODULE  YTS797  

-- SQL Test Suite, V6.0, Interactive SQL, yts797.sql
-- 59-byte ID
-- TEd Version #

-- AUTHORIZATION CTS1              
   set schema CTS1;
0 rows inserted/updated/deleted
ij> --O   SELECT USER FROM HU.ECCO;
  VALUES USER;
1                                                                                                                               
--------------------------------------------------------------------------------------------------------------------------------
CTS1                                                                                                                            
ij> -- RERUN if USER value does not match preceding AUTHORIZATION comment
   ROLLBACK WORK;
ij> -- date_time print

-- TEST:7558 <scalar subquery> in SET of searched update!

   DELETE FROM TV;
5 rows inserted/updated/deleted
ij> INSERT INTO TV VALUES (1,'a');
1 row inserted/updated/deleted
ij> INSERT INTO TV VALUES (2,'b');
1 row inserted/updated/deleted
ij> INSERT INTO TV VALUES (3,'c');
1 row inserted/updated/deleted
ij> INSERT INTO TV VALUES (4,'d');
1 row inserted/updated/deleted
ij> INSERT INTO TV VALUES (5,'e');
1 row inserted/updated/deleted
ij> DELETE FROM TW;
5 rows inserted/updated/deleted
ij> INSERT INTO TW VALUES ('b',2);
1 row inserted/updated/deleted
ij> INSERT INTO TW VALUES ('g',1);
1 row inserted/updated/deleted
ij> INSERT INTO TW VALUES ('f',2);
1 row inserted/updated/deleted
ij> INSERT INTO TW VALUES ('h',4);
1 row inserted/updated/deleted
ij> INSERT INTO TW VALUES ('i',5);
1 row inserted/updated/deleted
ij> --O   UPDATE TV AS X
   UPDATE TV 
     SET B =
--O         (SELECT D FROM TV AS Y, TW AS Z
         (SELECT D FROM TV  Y, TW  Z
              WHERE Y.A = Z.E
              AND TV.A = Y.A);
ERROR 21000: Scalar subquery is only allowed to return a single row.
ij> -- PASS:7558 If ERROR - cardinality violation?
--N new error messages are temporarily valid, till we implement this kind of update properly

--O   UPDATE TV AS X
   UPDATE TV  
     SET B =
--O         (SELECT D FROM TV AS Y, TW AS Z
         (SELECT D FROM TV  Y, TW  Z
              WHERE Y.A = Z.E AND Z.E <> 2
              AND TV.A = Y.A);
5 rows inserted/updated/deleted
ij> -- PASS:7558 If UPDATE completed successfully?

   SELECT B 
     FROM CTS1.TV
     WHERE A = 1;
B   
----
g   
ij> -- PASS:7558 If B = 'g'?

   SELECT B 
     FROM CTS1.TV
     WHERE A = 2;
B   
----
NULL
ij> -- PASS:7558 If B = NULL?

   SELECT B 
     FROM CTS1.TV
     WHERE A = 3;
B   
----
NULL
ij> -- PASS:7558 If B = NULL?

   SELECT B 
     FROM CTS1.TV
     WHERE A = 4;
B   
----
h   
ij> -- PASS:7558 If B = 'h'?

   SELECT B 
     FROM CTS1.TV
     WHERE A = 5;
B   
----
i   
ij> -- PASS:7558 If B = 'i'?

   ROLLBACK WORK;
ij> -- END TEST >>> 7558 <<< END TEST
-- *********************************************
-- *************************************************////END-OF-MODULE
;
ij>