public object ExecuteOracleScalar()
{
moreResults = -1;
object output = DBNull.Value;
AssertConnectionIsOpen();
AssertTransactionMatch();
AssertCommandTextIsSet();
if (Transaction != null)
{
Transaction.AttachToServiceContext();
}
OciStatementHandle statement = GetStatementHandle();
try {
if (preparedStatement == null)
{
PrepareStatement(statement);
}
bool isNonQuery = IsNonQuery(statement);
BindParameters(statement);
if (isNonQuery == true)
{
ExecuteNonQueryInternal(statement, false);
}
else
{
statement.ExecuteQuery(false);
if (statement.Fetch())
{
OciDefineHandle defineHandle = (OciDefineHandle)statement.Values [0];
if (!defineHandle.IsNull)
{
output = defineHandle.GetOracleValue(Connection.SessionFormatProvider, Connection);
}
switch (defineHandle.DataType)
{
case OciDataType.Blob:
case OciDataType.Clob:
((OracleLob)output).connection = Connection;
break;
}
}
UpdateParameterValues();
}
return(output);
} finally {
SafeDisposeHandle(statement);
}
}
public override bool Read()
{
ValidateState();
if (hasRows)
{
bool retval = statement.Fetch();
hasRows = retval;
return(retval);
}
return(false);
}