The last statement included within a function must be a return statement.

Error Message:
Msg 455, Level 16, State 2, Procedure, Line 6
The last statement included within a function must be a return statement.

Severity level:
16.

Description:
This error message appears when you try to call a function whose last statement is not a return statement.

Consequences:
The T-SQL statement can be parsed, but causes the error at runtime.

Resolution:
Error of the Severity Level 16 are generated by the user and can be fixed by the SQL Server user. The statement cannot be run this way. The last statement included within a function must be a return statement.

Versions:
This error message was introduced with SQL Server 2000.

Example(s):
IF OBJECT_ID (‘dbo.t’) IS NOT NULL
    DROP TABLE dbo.t;
GO

CREATE TABLE dbo.t
(
    c1 int PRIMARY KEY
);
GO

IF OBJECT_ID (‘dbo.f’) IS NOT NULL
    DROP FUNCTION dbo.f;
GO

CREATE FUNCTION dbo.f()
RETURNS int
AS
BEGIN
    SELECT 1
END

Remarks:
In the above example we try to return data from the function dbo.f. Because the last statement inside the function is not a return statement, the error is raised.



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