internal override SqlExpression VisitUserColumn(SqlUserColumn suc)
{
if (this.ingoreExternalRefs && !this.nodeMap.ContainsKey(suc))
{
return(suc);
}
return(new SqlUserColumn(suc.ClrType, suc.SqlType, suc.Query, suc.Name, suc.IsRequired, suc.SourceExpression));
}
internal override SqlExpression VisitUserColumn(SqlUserColumn suc)
{
SqlExpression expr = base.VisitUserColumn(suc);
if (expr == suc)
{
return(ExtractParameter(expr));
}
return(expr);
}
internal override SqlUserQuery VisitUserQuery(SqlUserQuery suq)
{
List <SqlExpression> args = new List <SqlExpression>(suq.Arguments.Count);
foreach (SqlExpression expression in suq.Arguments)
{
args.Add(this.VisitExpression(expression));
}
SqlExpression projection = this.VisitExpression(suq.Projection);
SqlUserQuery query = new SqlUserQuery(suq.QueryText, projection, args, suq.SourceExpression);
this.nodeMap[suq] = query;
foreach (SqlUserColumn column in suq.Columns)
{
SqlUserColumn item = new SqlUserColumn(column.ClrType, column.SqlType, column.Query, column.Name, column.IsRequired, column.SourceExpression);
this.nodeMap[column] = item;
query.Columns.Add(item);
}
return(query);
}
internal virtual SqlExpression VisitUserColumn(SqlUserColumn suc)
{
return(suc);
}