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);
}
// Methods
internal SqlMultiplexer(Options options, IEnumerable <SqlParameter> parentParameters, SqlFactory sqlFactory, SqlIdentifier sqlIdentity)
{
this.sqlIdentity = sqlIdentity;
this.visitor = new Visitor(options, parentParameters, sqlFactory, sqlIdentity);
}
public SqlBuilder(ALinq.SqlClient.SqlIdentifier sqlIdentifier)
{
this.sqlIdentifier = sqlIdentifier;
}
internal void SetIdentifier(SqlIdentifier sqlIdentifier)
{
visitor.SqlIdentifier = sqlIdentifier;
}
public DatabaseSqlBuilder(SqlProvider sqlProvider)
{
SqlIdentifier = sqlProvider.SqlIdentifier;
Mode = sqlProvider.Mode;
TypeProvider = sqlProvider.TypeProvider;
}
public SqlBuilder(SqlProvider sqlProvider)
{
this.sqlIdentifier = sqlProvider.SqlIdentifier;
}
// Methods
internal static SqlClientQuery Extract(SqlSubSelect subquery, IEnumerable <SqlParameter> parentParameters, SqlIdentifier sqlIdentity)
{
var query = new SqlClientQuery(subquery);
if (parentParameters != null)
{
//query.Parameters.AddRange(parentParameters);
foreach (var parameter in parentParameters)
{
query.Parameters.Add(parameter);
}
}
var visitor = new Visitor(query.Arguments, query.Parameters, sqlIdentity);
query.Query = (SqlSubSelect)visitor.Visit(subquery);
return(query);
}
// Methods
internal Visitor(IList <SqlExpression> externals, IList <SqlParameter> parameters, SqlIdentifier sqlIdentity)
: base(true)
{
this.externals = externals;
this.parameters = parameters;
this.sqlIdentity = sqlIdentity;
}
