/// <summary>
/// Configures the database sequence used for the hi-lo pattern to generate values for key properties
/// marked as <see cref="ValueGenerated.OnAdd" />, when targeting SQL Server.
/// </summary>
/// <param name="modelBuilder"> The model builder. </param>
/// <param name="name"> The name of the sequence. </param>
/// <param name="schema">The schema of the sequence. </param>
/// <param name="fromDataAnnotation"> Indicates whether the configuration was specified using a data annotation. </param>
/// <returns> A builder to further configure the sequence. </returns>
public static IConventionSequenceBuilder HasHiLoSequence(
[NotNull] this IConventionModelBuilder modelBuilder,
[CanBeNull] string name,
[CanBeNull] string schema,
bool fromDataAnnotation = false)
{
if (!modelBuilder.CanSetHiLoSequence(name, schema))
{
return(null);
}
modelBuilder.Metadata.SetHiLoSequenceName(name, fromDataAnnotation);
modelBuilder.Metadata.SetHiLoSequenceSchema(schema, fromDataAnnotation);
return(name == null ? null : modelBuilder.HasSequence(name, schema, fromDataAnnotation));
}
/// <summary>
/// Configures the database sequence used for the hi-lo pattern to generate values for key properties
/// marked as <see cref="ValueGenerated.OnAdd" />, when targeting PostgreSQL.
/// </summary>
/// <param name="modelBuilder"> The model builder. </param>
/// <param name="name"> The name of the sequence. </param>
/// <param name="schema">The schema of the sequence. </param>
/// <param name="fromDataAnnotation"> Indicates whether the configuration was specified using a data annotation. </param>
/// <returns> A builder to further configure the sequence. </returns>
public static IConventionSequenceBuilder?HasHiLoSequence(
this IConventionModelBuilder modelBuilder,
string?name,
string?schema,
bool fromDataAnnotation = false)
{
if (!modelBuilder.CanSetHiLoSequence(name, schema))
{
return(null);
}
modelBuilder.Metadata.SetHiLoSequenceName(name, fromDataAnnotation);
modelBuilder.Metadata.SetHiLoSequenceSchema(schema, fromDataAnnotation);
return(name is null ? null : modelBuilder.HasSequence(name, schema, fromDataAnnotation));
}
