protected override Expression VisitColumn(DbColumnExpression column)
{
if (this.scope != null && this.scope.TryGetValue(column, out ParameterExpression fieldReader, out int iOrdinal))
{
var method = FieldReader.GetReaderMethod(column.Type);
return(Expression.Call(fieldReader, method, Expression.Constant(iOrdinal)));
}
protected override Expression VisitColumn(ColumnExpression column)
{
ParameterExpression fieldReader;
int iOrdinal;
if (this.scope != null && this.scope.TryGetValue(column, out fieldReader, out iOrdinal))
{
MethodInfo method = FieldReader.GetReaderMethod(column.Type);
return(Expression.Call(fieldReader, method, Expression.Constant(iOrdinal)));
}
else
{
System.Diagnostics.Debug.Fail(string.Format("column not in scope: {0}", column));
}
return(column);
}
