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DDLNo315

Suppress error upon DROP of a nonexistent constraint.

Synopsis

[SQL]    DDLNo315=n

n is either 1 or 0. The default value is 0.

Description

When DDLNo315 is enabled (n = 1), when an attempt is made to DROP a nonexistent constraint, InterSystems IRIS® data platform suppresses the SQLCODE -315 error.

For further details, refer to the ALTER TABLE command.

Changing This Parameter

On the SQL page of the Management Portal (System Administration > Configuration > SQL and Object Settings > SQL), select Ignore redundant DDL statements to suppress redundant SQLCODE errors.

You can also change DDLNo315 with the Config.SQL class (as described in the class reference) or by editing the CPF in a text editor (as described in the Editing the Active CPF section of the “Introduction to the Configuration Parameter File” chapter in this book).

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