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Status Not under consideration
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on Apr 18, 2025

RELATED IDEAS

Allow COALESCE to provide automatic CAST

I have this line in a CREATE VIEW statement:


coalesce(va.vaaddress1, '?Unknown') as vaaddress1,


When the view is accessed using SQL embedded in ILEPRPG, the SQLSTATE becomes 01004. VAADDRESS1 is defined in a SQL TABLE as CHAR(40). It would save a lot of typing if COALESCE would know to make '?Unknown' a CHAR(40) field instead of me having to make the coalesce statement like this:


coalesce(va.vaaddress1, cast('?Unknown' as char)) as vaaddress1,


Why can't SQL figure out that VAADDRESS1 is a CHAR type field and automatically cast to CHAR without me having to tell it that and have the SQLSTATE be 00000 instead?


Thank you,


Doug


Idea priority Medium
  • Guest
    Reply
    |     Apr 22, 2025
    After direct discussion with the submitter of this Idea, we were not able to recreate the reported situation. For that reason this Idea is being closed.

    The expected result of a COALESCE of a character column and a string literal is varchar with a length attribute of the longest argument.

    Db2 for i development team
    IBM Power Systems Development

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