private int ExecuteNonQueryInternal(OciStatementHandle statement, bool useAutoCommit)
{
moreResults = -1;
if (preparedStatement == null)
{
PrepareStatement(statement);
}
bool isNonQuery = IsNonQuery(statement);
BindParameters(statement);
if (isNonQuery == true)
{
statement.ExecuteNonQuery(useAutoCommit);
}
else
{
statement.ExecuteQuery(false);
}
UpdateParameterValues();
int rowsAffected = statement.GetAttributeInt32(OciAttributeType.RowCount, ErrorHandle);
return(rowsAffected);
}
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);
}
}
OracleDataReader ExecuteReader(CommandBehavior behavior)
{
AssertConnectionIsOpen();
AssertTransactionMatch();
AssertCommandTextIsSet();
moreResults = -1;
bool hasRows = false;
this.behavior = behavior;
if (Transaction != null)
{
Transaction.AttachToServiceContext();
}
OciStatementHandle statement = GetStatementHandle();
OracleDataReader rd = null;
try
{
if (preparedStatement == null)
{
PrepareStatement(statement);
}
else
{
preparedStatement = null; // OracleDataReader releases the statement handle
}
bool isNonQuery = IsNonQuery(statement);
BindParameters(statement);
if (isNonQuery)
{
ExecuteNonQueryInternal(statement, false);
}
else
{
if ((behavior & CommandBehavior.SchemaOnly) != 0)
{
statement.ExecuteQuery(true);
}
else
{
hasRows = statement.ExecuteQuery(false);
}
UpdateParameterValues();
}
if (Parameters.Count > 0)
{
for (int p = 0; p < Parameters.Count; p++)
{
OracleParameter parm = Parameters[p];
if (parm.OracleType.Equals(OracleType.Cursor))
{
if (parm.Direction != ParameterDirection.Input)
{
rd = (OracleDataReader)parm.Value;
break;
}
}
}
}
if (rd == null)
{
rd = new OracleDataReader(this, statement, hasRows, behavior);
}
}
finally
{
if (statement != null && rd == null)
{
statement.Dispose();
}
}
return(rd);
}
