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Informix - Problem description

Problem IT35847 Status: Closed

AGGREGATE EXPRESSIONS INCONSISTENCY I.E. MIN(), MAX() WITH UNION

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
You'll get -308 error (incompatible type) with following:

--Create Test table

create temp table tab1(col1 char(8)) with no log;
insert into tab1 values ('ZZZ');

 -- Test1 - Fails with SQL 308 error

select col1, 0, '0' from tab1
UNION
select col1, MIN(1), MIN('1') from tab1 group by 1


-- Test2 - works

select col1, 0 from tab1
UNION
select col1, MIN(1) from tab1 group by 1

-- Test3 - works

select col1, '0' from tab1
UNION
select col1, MIN('1') from tab1 group by 1

-- Test4 - works

select col1, 0, '0' from tab1
UNION
select col1, MIN(1), MIN('1')::char from tab1 group by 1

--Test5 - works

select col1, 0, '0' from tab1
 UNION
select col1, MIN(1), MIN('2') from tab1 group by 1
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC16 and 14.10.xC7.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC16 or 14.10.xC7.          *
****************************************************************
Local Fix:


Solution




Workaround


****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC16 and 14.10.xC7.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC16 or 14.10.xC7.          *
****************************************************************


Comment


Fixed in Informix Server 12.10.xC16 and 14.10.xC7.


Timestamps


Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :

09.02.2021
01.05.2023
01.05.2023


Problem solved at the following versions (IBM BugInfos)




Problem solved according to the fixlist(s) of the following version(s)