protected virtual void VisitAttributeProjectionExpression(AttributesProjectionExpression exp)
{
if (exp == null)
{
return;
}
foreach (PropertyNameExpression pn in exp.Attributes.Collection)
{
InternalProjectedColumns.Add(pn.PropertyName);
//InternalProjectedColumns.Add(
// string.Compare(pn.PropertyName, Provider.GeometryColumn, StringComparison.InvariantCultureIgnoreCase) ==
// 0
// ? string.Format(Provider.GeometryColumnConversionFormatString,
// Provider.QualifyColumnName(pn.PropertyName))
// : Provider.QualifyColumnName(pn.PropertyName));
}
}
protected virtual void VisitProjectionExpression(ProjectionExpression exp)
{
if (exp == null)
{
return;
}
if (exp is AllAttributesExpression)
{
foreach (string s in Provider.SelectAllColumnNames())
{
InternalProjectedColumns.Add(s);
}
}
else if (exp is AttributesProjectionExpression)
{
VisitAttributeProjectionExpression((AttributesProjectionExpression)exp);
}
}
