public UniqueIndex AddUniqueIndex <T>(Expression <Func <T, object> > fields, Expression <Func <T, bool> > where = null) where T : Entity
{
var table = Schema.Table <T>();
IColumn[] columns = Split(table, fields);
var index = AddUniqueIndex(table, columns);
if (where != null)
{
index.Where = IndexWhereExpressionVisitor.GetIndexWhere(where, table);
}
return(index);
}
public UniqueTableIndex AddUniqueIndex <T>(Expression <Func <T, object?> > fields, Expression <Func <T, bool> >?where = null, Expression <Func <T, object?> >?includeFields = null) where T : Entity
{
var table = Schema.Table <T>();
IColumn[] columns = IndexKeyColumns.Split(table, fields);
var index = AddUniqueIndex(table, columns);
if (where != null)
{
index.Where = IndexWhereExpressionVisitor.GetIndexWhere(where, table);
}
if (includeFields != null)
{
index.IncludeColumns = IndexKeyColumns.Split(table, includeFields);
if (table.SystemVersioned != null)
{
index.IncludeColumns = index.IncludeColumns.Concat(table.SystemVersioned.Columns()).ToArray();
}
}
return(index);
}
public virtual void AttachInvalidations(SchemaBuilder sb, InvalidateWith invalidateWith, EventHandler invalidate)
{
isUsed = true;
Action onInvalidation = () =>
{
if (Transaction.InTestTransaction)
{
invalidate(this, null);
Transaction.Rolledback += dic => invalidate(this, null);
}
Transaction.PostRealCommit += dic => invalidate(this, null);
};
Schema schema = sb.Schema;
foreach (var type in invalidateWith.Types)
{
giAttachInvalidations.GetInvoker(type)(schema, onInvalidation);
}
var dependants = DirectedGraph <Table> .Generate(invalidateWith.Types.Select(t => schema.Table(t)), t => t.DependentTables().Select(kvp => kvp.Key)).Select(t => t.Type).ToHashSet();
dependants.ExceptWith(invalidateWith.Types);
foreach (var type in dependants)
{
giAttachInvalidationsDependant.GetInvoker(type)(schema, onInvalidation);
}
}
public override Table Include(Type type)
{
return(Schema.Table(type));
}
