public override IEnumerable <IAnnotation> For(ITableIndex index)
{
var baseAnnotations = base.For(index);
var customAnnotations = index.GetAnnotations().Where(a => a.Name == IndexExtensions.ColumnStoreIndexAnnotationName);
return(baseAnnotations.Concat(customAnnotations));
}
/// <summary>
/// Creates a new <see cref="CreateIndexOperation" /> from the specified index.
/// </summary>
/// <param name="index"> The index. </param>
/// <returns> The operation. </returns>
public static CreateIndexOperation CreateFrom(ITableIndex index)
{
Check.NotNull(index, nameof(index));
var operation = new CreateIndexOperation
{
IsUnique = index.IsUnique,
Name = index.Name,
Schema = index.Table.Schema,
Table = index.Table.Name,
Columns = index.Columns.Select(p => p.Name).ToArray(),
Filter = index.Filter
};
operation.AddAnnotations(index.GetAnnotations());
return(operation);
}