private int[] GetColumnOrdinals(NamedColumn[] namedColumns)
{
DbDataReader bufferReader = BufferReader ?? DataReader;
if ((namedColumns == null) || (namedColumns.Length == 0))
{
return(null);
}
var numArray = new int[namedColumns.Length];
var dictionary = new Dictionary <string, int>(StringComparer.OrdinalIgnoreCase);
int ordinal = 0;
int fieldCount = bufferReader.FieldCount;
while (ordinal < fieldCount)
{
dictionary[SqlIdentifier.QuoteCompoundIdentifier(bufferReader.GetName(ordinal))] = ordinal;
ordinal++;
}
int index = 0;
int length = namedColumns.Length;
while (index < length)
{
int num5;
if (dictionary.TryGetValue(SqlIdentifier.QuoteCompoundIdentifier(namedColumns[index].Name), out num5))
{
numArray[index] = num5;
}
else
{
if (namedColumns[index].IsRequired)
{
throw Error.RequiredColumnDoesNotExist(namedColumns[index].Name);
}
numArray[index] = -1;
}
index++;
}
return(numArray);
}
private int BuildFieldDeclarations(MetaType type, IDictionary <object, string> memberNameToMappedName, StringBuilder sb)
{
int num = 0;
foreach (MetaDataMember member in type.DataMembers)
{
string str;
if ((!member.IsDeclaredBy(type) || member.IsAssociation) || !member.IsPersistent)
{
continue;
}
object key = InheritanceRules.DistinguishedMemberName(member.Member);
if (memberNameToMappedName.TryGetValue(key, out str))
{
if (!(str == member.MappedName))
{
goto Label_0075;
}
continue;
}
memberNameToMappedName.Add(key, member.MappedName);
Label_0075:
if (sb.Length > 0)
{
sb.Append(", ");
}
sb.AppendLine();
sb.Append(string.Format(CultureInfo.InvariantCulture, " {0} ", new object[] { SqlIdentifier.QuoteCompoundIdentifier(member.MappedName) }));
if (!string.IsNullOrEmpty(member.Expression))
{
sb.Append("AS " + member.Expression);
}
else
{
sb.Append(GetDbType(member));
}
num++;
}
return(num);
}
