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Informix - Problem description

Problem IT35049 Status: Closed

NEEDODBCTYPESONLY NOT WORKING AS DOCUMENTED

product:
IBM CSDK / 5724C2381 / 450 - CSDK 4.50
Problem description:
When the NEEDODBCTYPESONLY option is specific, the ODBC driver
should only describe and return Standard ODBC types.
The following table from the documentation describes what it
should return:

With Standard only this should be reported:
Table 3-1. Informix and ODBC data type mapping
Informix        ODBC
Bigint           SQL_BIGINT
Bigserial        SQL_BIGINT
Blob             SQL_LONGVARBINARY
Boolean        SQL_BIT
Clob             SQL_LONGVARCHAR
Int8             SQL_BIGINT
Lvarchar       SQL_VARCHAR
Serial8          SQL_BIGINT
Multiset        SQL_C_CHAR or SQL_C_BINARY
Set              SQL_C_CHAR or SQL_C_BINARY
List              SQL_C_CHAR or SQL_C_BINARY
Row             SQL_C_CHAR or SQL_C_BINARY

That's not currently happening and could cause errors such as
"Unknown SQL type" from applications that can deal only with
standard ODBC types.
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Client SDK prior to 4.50.FC6.              *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* When the NEEDODBCTYPESONLY option is specified, the ODBC     *
* driver                                                       *
* should only describe and return Standard ODBC types.         *
* The following table from the documentation describes what it *
* should return:                                               *
*                                                              *
* With Standard only this should be reported:                  *
* Table 3-1. Informix and ODBC data type mapping               *
* Informix        ODBC                                         *
* Bigint           SQL_BIGINT                                  *
* Bigserial        SQL_BIGINT                                  *
* Blob             SQL_LONGVARBINARY                           *
* Boolean        SQL_BIT                                       *
* Clob             SQL_LONGVARCHAR                             *
* Int8             SQL_BIGINT                                  *
* Lvarchar       SQL_VARCHAR                                   *
* Serial8          SQL_BIGINT                                  *
* Multiset        SQL_C_CHAR or SQL_C_BINARY                   *
* Set              SQL_C_CHAR or SQL_C_BINARY                  *
* List              SQL_C_CHAR or SQL_C_BINARY                 *
* Row             SQL_C_CHAR or SQL_C_BINARY                   *
*                                                              *
* That's not currently happening and could cause errors such   *
* as                                                           *
* "Unknown SQL type" from applications that can deal only with *
* standard ODBC types.                                         *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Client SDK 4.50.FC6 (when available).    *
****************************************************************
Local Fix:
Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
25.11.2020
06.01.2021
06.01.2021
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
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