public override Annotation Apply(InternalPropertyBuilder propertyBuilder, string name, Annotation annotation, Annotation oldAnnotation)
{
if (annotation == null ||
oldAnnotation?.Value != null)
{
return(annotation);
}
var configurationSource = ((IConventionAnnotation)annotation).GetConfigurationSource();
var fromDataAnnotation = configurationSource != ConfigurationSource.Convention;
switch (name)
{
case RelationalAnnotationNames.DefaultValue:
if (propertyBuilder.ForSqlServerHasValueGenerationStrategy(null, fromDataAnnotation) == null &&
propertyBuilder.HasDefaultValue(null, fromDataAnnotation) != null)
{
return(null);
}
break;
case RelationalAnnotationNames.DefaultValueSql:
if (propertyBuilder.ForSqlServerHasValueGenerationStrategy(null, fromDataAnnotation) == null &&
propertyBuilder.HasDefaultValueSql(null, fromDataAnnotation) != null)
{
return(null);
}
break;
case RelationalAnnotationNames.ComputedColumnSql:
if (propertyBuilder.ForSqlServerHasValueGenerationStrategy(null, fromDataAnnotation) == null &&
propertyBuilder.HasComputedColumnSql(null, fromDataAnnotation) != null)
{
return(null);
}
break;
case SqlServerAnnotationNames.ValueGenerationStrategy:
if (propertyBuilder.HasDefaultValue(null, fromDataAnnotation) == null
| propertyBuilder.HasDefaultValueSql(null, fromDataAnnotation) == null
| propertyBuilder.HasComputedColumnSql(null, fromDataAnnotation) == null)
{
return(propertyBuilder.ForSqlServerHasValueGenerationStrategy(null, fromDataAnnotation) == null
? annotation
: null);
}
break;
}
return(base.Apply(propertyBuilder, name, annotation, oldAnnotation));
}