Comment on page
MSCEWI4031
Information for the expression was not found. CAST to STRING used
Medium
This EWI is added in Table-Valued User Defined Functions where the return type of an expression can not be determined during the conversion.
CAST A STRING operation is used to match the default STRING datatype in the RETURNSstatement CREATE FUNCTION GetDepartmentInfo()
RETURNS TABLE
AS
RETURN
(
SELECT DepartmentID, Name, GroupName
FROM HumanResources.Department
);
CREATE OR REPLACE FUNCTION GETDEPARTMENTINFO()
RETURNS TABLE(DEPARTMENTID STRING /*** MSC-WARNING - MSCEWI4029 - INFORMATION FOR THE COLUMN DEPARTMENTID WAS NOT FOUND. STRING DATATYPE USED TO MATCH CAST AS STRING OPERATION ***/, NAME VARCHAR(50), GROUPNAME VARCHAR(50))
AS
$$
SELECT CAST(DEPARTMENTID AS STRING) /*** MSC-WARNING - MSCEWI4031 - INFORMATION FOR THIS EXPRESSION WAS NOT FOUND. CAST TO STRING USED TO MATCH THE DEFAULT STRING RETURN TYPE ***/, NAME, GROUPNAME
FROM HUMANRESOURCES.DEPARTMENT
$$;