// <summary>
// Given a store datareader, a column name, find the column ordinal
// in the datareader with the name of the column.
// We only have the functionImport provided to include it in the exception
// message.
// </summary>
private static int GetDiscriminatorOrdinalFromReader(DbDataReader storeDataReader, string columnName, EdmFunction functionImport)
{
int result;
if (!TryGetColumnOrdinalFromReader(storeDataReader, columnName, out result))
{
throw new EntityCommandExecutionException(
Strings.ADP_InvalidDataReaderMissingDiscriminatorColumn(columnName, functionImport.FullName));
}
return(result);
}
private static int GetDiscriminatorOrdinalFromReader(
DbDataReader storeDataReader,
string columnName,
EdmFunction functionImport)
{
int ordinal;
if (!ColumnMapFactory.TryGetColumnOrdinalFromReader(storeDataReader, columnName, out ordinal))
{
throw new EntityCommandExecutionException(Strings.ADP_InvalidDataReaderMissingDiscriminatorColumn((object)columnName, (object)functionImport.FullName));
}
return(ordinal);
}