bool Parse_BindingField_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
var field = new FieldPacket(_currentHeader, _isProtocol41);
field.ParsePacketContent(reader);
field.FieldIndex = _tableHeader.ColumnCount; //set this before add to field list
_tableHeader.AddField(field);
//back to binding params field again
_parsingState = PrepareResponseParseState.BindingField_Header;
return(false);
}
bool Parse_Field_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength)) //check if length is enough to parse
{
#if DEBUG
reader.dbugMonitorData1 = true;
#endif
return(_needMoreData = true);
}
var fieldPacket = new FieldPacket(_currentHeader, this._isProtocol41);
fieldPacket.ParsePacketContent(reader);
fieldPacket.FieldIndex = _tableHeader.ColumnCount; //set this before add to field list
_tableHeader.AddField(fieldPacket);
#if DEBUG
//TODO:review here
if (fieldPacket.dbugFailure)
{
throw new NotSupportedException();
}
#endif
//next state => field header of next field
_parsingState = ResultPacketState.Field_Header;
return(false);
}
public void Prepare()
{
//prepare sql query
_prepareContext = null;
if (_cmdParams == null)
{
return;
}
_writer.Reset();
string realSql = _sqlStrTemplate.BindValues(_cmdParams, true);
ComPrepareStatementPacket preparePacket = new ComPrepareStatementPacket(realSql);
preparePacket.WritePacket(_writer);
SendPacket(_writer.ToArray());
OkPrepareStmtPacket okPreparePacket = new OkPrepareStmtPacket();
okPreparePacket = ParsePrepareResponse();
if (okPreparePacket != null)
{
_prepareContext = new PreparedContext(okPreparePacket.statement_id, _sqlStrTemplate);
if (okPreparePacket.num_params > 0)
{
var tableHeader = new TableHeader();
tableHeader.TypeCast = typeCast;
tableHeader.NestTables = nestTables;
tableHeader.ConnConfig = _conn.config;
for (int i = 0; i < okPreparePacket.num_params; i++)
{
//no meaing for each field?
FieldPacket field = ParseColumn();
tableHeader.AddField(field);
}
//set table after the table is ready!
_prepareContext.Setup(tableHeader);
ParseEOF();
}
if (okPreparePacket.num_columns > 0)
{
_tableHeader = new TableHeader();
_tableHeader.TypeCast = typeCast;
_tableHeader.NestTables = nestTables;
_tableHeader.ConnConfig = _conn.config;
for (int i = 0; i < okPreparePacket.num_columns; i++)
{
FieldPacket field = ParseColumn();
_tableHeader.AddField(field);
}
ParseEOF();
}
}
}
void ParseResultSet()
{
ResultSetHeaderPacket resultPacket = new ResultSetHeaderPacket();
resultPacket.ParsePacket(_parser);
this._tableHeader = new TableHeader();
_tableHeader.TypeCast = typeCast;
_tableHeader.NestTables = nestTables;
_tableHeader.ConnConfig = _conn.config;
bool protocol41 = _conn.IsProtocol41;
while (_receiveBuffer[_parser.Position + 4] != EOF_CODE)
{
FieldPacket fieldPacket = ParseColumn();
_tableHeader.AddField(fieldPacket);
}
EofPacket fieldEof = ParseEOF();
//-----
_lastRow = new RowDataPacket(_tableHeader);
}
