protected Pair <SqlExpression, IEnumerable <QueryParameterBinding> > ProcessExpression(LambdaExpression le,
params IReadOnlyList <SqlExpression>[] sourceColumns)
{
var processor = new ExpressionProcessor(le, Handlers, this, sourceColumns);
var result = new Pair <SqlExpression, IEnumerable <QueryParameterBinding> >(
processor.Translate(), processor.GetBindings());
return(result);
}
public string Compile(HandlerAccessor handlers, IndexInfo index)
{
var table = SqlDml.TableRef(CreateStubTable(index.ReflectedType.MappingName, index.Filter.Fields.Count));
// Translation of ColumnRefs without alias seems broken, use original name as alias.
var columns = index.Filter.Fields
.Select(field => field.Column.Name)
.Select((name, i) => SqlDml.ColumnRef(table.Columns[i], name))
.Cast <SqlExpression>()
.ToList();
var processor = new ExpressionProcessor(index.Filter.Expression, handlers, null, columns);
var fragment = SqlDml.Fragment(processor.Translate());
var result = handlers.StorageDriver.Compile(fragment).GetCommandText();
return(result);
}