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SET ARITHIGNORE (Transact-SQL)

Controls whether error messages are returned from overflow or divide-by-zero errors during a query.

Topic link iconTransact-SQL Syntax Conventions

Syntax

SET ARITHIGNORE { ON | OFF }
[ ; ]

Remarks

The SET ARITHIGNORE setting only controls whether an error message is returned. SQL Server returns a NULL in a calculation involving an overflow or divide-by-zero error, regardless of this setting. The SET ARITHABORT setting can be used to determine whether the query is terminated. This setting does not affect errors occurring during INSERT, UPDATE, and DELETE statements.

If either SET ARITHABORT or SET ARITHIGNORE is OFF and SET ANSI_WARNINGS is ON, SQL Server still returns an error message when encountering divide-by-zero or overflow errors.

The setting of SET ARITHIGNORE is set at execute or run time and not at parse time.

Permissions

Requires membership in the public role.

Examples

The following example shows how to use both SET ARITHIGNORE settings with both types of query errors.

SET ARITHABORT OFF;
SET ANSI_WARNINGS OFF
GO

PRINT 'Setting ARITHIGNORE ON';
GO
-- SET ARITHIGNORE ON and testing.
SET ARITHIGNORE ON;
GO
SELECT 1 / 0 AS DivideByZero;
GO
SELECT CAST(256 AS TINYINT) AS Overflow;
GO

PRINT 'Setting ARITHIGNORE OFF';
GO
-- SET ARITHIGNORE OFF and testing.
SET ARITHIGNORE OFF;
GO
SELECT 1 / 0 AS DivideByZero;
GO
SELECT CAST(256 AS TINYINT) AS Overflow;
GO