/// <summary>
/// Configures the default increment for SQL Server IDENTITY.
/// </summary>
/// <param name="modelBuilder"> The model builder. </param>
/// <param name="increment"> The incremental value that is added to the identity value of the previous row that was loaded. </param>
/// <param name="fromDataAnnotation"> Indicates whether the configuration was specified using a data annotation. </param>
/// <returns>
/// The same builder instance if the configuration was applied,
/// <c>null</c> otherwise.
/// </returns>
public static IConventionModelBuilder HasIdentityColumnIncrement(
[NotNull] this IConventionModelBuilder modelBuilder, int?increment, bool fromDataAnnotation = false)
{
if (modelBuilder.CanSetIdentityColumnIncrement(increment, fromDataAnnotation))
{
modelBuilder.Metadata.SetIdentityIncrement(increment, fromDataAnnotation);
return(modelBuilder);
}
return(null);
}