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Niels,
I think you are asking about the SQL-generated "short column name" aka. "System name", vs. the long column name?
In DDS, we could use ALIAS to define a long fieldname as an "alias" for the short names.
In Db2i SQL, you can do the same thing like this:
CREATE TABLE tablename (
longColumnName FOR ShortName ...;
...
);
Hope that helps?
All the best,
Mark S. Waterbury
On Wednesday, August 4, 2021, 08:52:55 AM EDT, Niels Liisberg <nli@xxxxxxxxxxxxxxxxx> wrote:
I am in a situation where the DDS database is now converted into a SQL
database so each table is now created like this:
CREATE OR REPLACE TABLE mytable (
id FOR COLUMN TFROWID BIGINT NOT NULL GENERATED ALWAYS AS IDENTITY
PRIMARY KEY,
Active_Job_Name FOR MYACTJOB char(26)
) RCDFMT mytableR;
However all the access to the new tables need to know the original column
name so the code will not have to be rewritten.
The question is - how do I get the "FOR" system name ( here MYACTJOB) ?
The "SQLDescribeCol" gives the new SQL name, so instead I was trying to use
the "SQLColAttribute" function but I don't find the option among the
features listed:
SQL_DESC_AUTO_INCREMENT INTEGER
SQL_DESC_BASE_COLUMN
SQL_DESC_BASE_SCHEMA
SQL_DESC_BASE_TABLE
SQL_DESC_COLUMN_CCSID
SQL_DESC_COUNT
SQL_DESC_DISPLAY_SIZE
SQL_DESC_LABEL
SQL_DESC_LENGTH
SQL_DESC_NAME
SQL_DESC_NULLABLE
SQL_DESC_PRECISION
SQL_DESC_SCALE
Perhaps I am using the wrong function?
Any help will be appreciated. Thank you.
midrange.com
