protected virtual void Dispose(bool disposing)
{
if (disposing)
{
CloseOperation();
m_LastSchema = null;
m_Client = null;
m_Session = null;
}
}
public void Read(TProtocol iprot)
{
bool isset_status = false;
TField field;
iprot.ReadStructBegin();
while (true)
{
field = iprot.ReadFieldBegin();
if (field.Type == TType.Stop)
{
break;
}
switch (field.ID)
{
case 1:
if (field.Type == TType.Struct)
{
Status = new TStatus();
Status.Read(iprot);
isset_status = true;
}
else
{
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 2:
if (field.Type == TType.Struct)
{
Schema = new TTableSchema();
Schema.Read(iprot);
}
else
{
TProtocolUtil.Skip(iprot, field.Type);
}
break;
default:
TProtocolUtil.Skip(iprot, field.Type);
break;
}
iprot.ReadFieldEnd();
}
iprot.ReadStructEnd();
if (!isset_status)
{
throw new TProtocolException(TProtocolException.INVALID_DATA);
}
}
public void Execute(string statement)
{
CloseOperation();
var execReq = new TExecuteStatementReq()
{
SessionHandle = m_Session,
Statement = statement,
};
m_LastSchema = null;
var execResp = m_Client.ExecuteStatement(execReq);
execResp.Status.CheckStatus();
m_Operation = execResp.OperationHandle;
}
public TTableSchema GetSchema()
{
if (m_Operation == null || !m_Operation.HasResultSet)
{
return(null);
}
else if (m_LastSchema == null)
{
var req = new TGetResultSetMetadataReq(m_Operation);
var resp = m_Client.GetResultSetMetadata(req);
resp.Status.CheckStatus();
m_LastSchema = resp.Schema;
}
return(m_LastSchema);
}
