protected override Expression VisitColumn(ColumnExpression column)
{
if (column.Alias == outerAlias)
{
NamedValueExpression nv;
if (!map.TryGetValue(column, out nv))
{
nv = new NamedValueExpression("n" + (iParam++), column);
map.Add(column, nv);
}
return(nv);
}
return(column);
}
protected virtual Expression VisitNamedValue(NamedValueExpression value)
{
return(value);
}
protected virtual bool CompareNamedValue(NamedValueExpression a, NamedValueExpression b)
{
return(a.Name == b.Name && Compare(a.Value, b.Value));
}