/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected virtual IndexBuilder VisitIndex([NotNull] EntityTypeBuilder builder, [NotNull] DatabaseIndex index)
{
Check.NotNull(builder, nameof(builder));
Check.NotNull(index, nameof(index));
var unmappedColumns = index.Columns
.Where(c => _unmappedColumns.Contains(c))
.Select(c => c.Name)
.ToList();
if (unmappedColumns.Count > 0)
{
_reporter.WriteWarning(
DesignStrings.UnableToScaffoldIndexMissingProperty(
index.Name,
string.Join(CultureInfo.CurrentCulture.TextInfo.ListSeparator, unmappedColumns)));
return(null);
}
var propertyNames = index.Columns.Select(GetPropertyName).ToArray();
var indexBuilder =
index.Name == null
? builder.HasIndex(propertyNames)
: builder.HasIndex(propertyNames, index.Name)
.IsUnique(index.IsUnique);
if (index.Filter != null)
{
indexBuilder.HasFilter(index.Filter);
}
indexBuilder.Metadata.AddAnnotations(index.GetAnnotations());
return(indexBuilder);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
protected virtual IndexBuilder VisitIndex(EntityTypeBuilder builder, DatabaseIndex index)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (index == null)
{
throw new ArgumentNullException(nameof(index));
}
var unmappedColumns = index.Columns
.Where(c => _unmappedColumns.Contains(c))
.Select(c => c.Name)
.ToList();
if (unmappedColumns.Any())
{
_reporter.WriteWarning(
DesignStrings.UnableToScaffoldIndexMissingProperty(
index.Name,
string.Join(CultureInfo.CurrentCulture.TextInfo.ListSeparator, unmappedColumns)));
return(null);
}
var propertyNames = index.Columns.Select(GetPropertyName).ToArray();
var indexBuilder = builder.HasIndex(propertyNames)
.IsUnique(index.IsUnique);
if (index.Filter != null)
{
indexBuilder.HasFilter(index.Filter);
}
if (!string.IsNullOrEmpty(index.Name) &&
index.Name != ConstraintNamer.GetDefaultName(indexBuilder.Metadata))
{
indexBuilder.HasName(index.Name);
}
indexBuilder.Metadata.AddAnnotations(index.GetAnnotations());
return(indexBuilder);
}