SA0249 : Specify default value for columns added with NOT NULL constraint
The topic describes the SA0249 analysis rule.
Specify default value for columns added with NOT NULL constraint
The rule checks T-SQL code for ALTER TABLE statements adding a NOT NULL column without providing a default value.
In case the table contains data, the statement will fail as there won't be a value to set in the column for the existing rows.
To resolve the rule violation provide a DEFAULT value for the added NOT NULL column.
The rule has a Batch scope and is applied only on the SQL script.
Rule has no parameters.
The rule does not need Analysis Context or SQL Connection.
There is no additional info for this rule.
1CREATE TABLE Test.Greeting 2( 3GreetingId INT IDENTITY (1,1) PRIMARY KEY, 4Message nvarchar(255) 5) 6ALTER TABLE Test.Greeting ADD Kind int NOT NULL DEFAULT (5) 7ALTER TABLE Test.Greeting ADD Kind2 int NOT NULL
|1||SA0249 : The column Kind2 is added as NOT NULL, but without a default value.||7||30|
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