/// <summary>
/// parse header part of the result set
/// </summary>
bool Parse_Header_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
//can parse
var resultSetHeaderPacket = new ResultSetHeaderPacket(_currentHeader);
resultSetHeaderPacket.ParsePacketContent(reader);
_tableHeader = new TableHeader(this.ForPrepareResult);
_parsingState = ResultPacketState.Field_Header;
_rows = new List <DataRowPacket>();
return(false);
}
public void Setup(TableHeader tableHeader)
{
_tableHeader = tableHeader;
int fieldCount = tableHeader.ColumnCount;
_preparedValues = new MyStructData[fieldCount];
if (_keys.Count != fieldCount)
{
throw new Exception("key num not matched!");
}
//add field information to _keys
List <FieldPacket> fields = tableHeader.GetFields();
for (int i = 0; i < fieldCount; ++i)
{
_keys[i].fieldInfo = fields[i];
}
}
bool Parse_PrepareOk_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
var okPrepare = new OkPrepareStmtPacket(_currentHeader);
okPrepare.ParsePacketContent(reader);
_okPrepare = okPrepare;
//----------------------------------------------------
_tableHeader = new TableHeader(true);
//----------------------------------------------------
//*** 3 possible way after read prepare ok header***
if (okPrepare.num_params == 0)
{
//if prepare stmt dosn't have binding parameters
if (okPrepare.num_columns > 0)
{
//has some column
_parsingState = PrepareResponseParseState.ColumnField_Header;
}
else
{
_finalResult = new MySqlPrepareResponseResult(okPrepare, _tableHeader);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return(true); //finish
}
}
else
{
_parsingState = PrepareResponseParseState.BindingField_Header;
}
return(false);
}
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);
}
public PreparedContext(uint statementId, SqlStringTemplate sqlStringTemplate, TableHeader tableHeader)
{
this.statementId = statementId;
_sqlStringTemplate = sqlStringTemplate;
_keys = _sqlStringTemplate.GetValueKeys();
//----------------------------------------------
_tableHeader = tableHeader;
int serverFieldCount = tableHeader.ColumnCount;
//add field information to _keys
List <FieldPacket> fields = tableHeader.GetFields();
//----------------------------------------------
int bindingCount = 0;
for (int i = 0; i < serverFieldCount; ++i)
{
FieldPacket f = fields[i];
if (f.name == "?") //
{
//this is binding field
_keys[bindingCount].fieldInfo = f;
bindingCount++;
}
}
//some field from server is not binding field
//so we select only binding field
if (bindingCount != _keys.Count)
{
throw new Exception("key num not matched!");
}
//-------------------------------------------------
_preparedValues = new MyStructData[bindingCount]; //***
}
public MySqlPrepareResponseResult(OkPrepareStmtPacket okPrepare, TableHeader tableHeader)
{
this.okPacket = okPrepare;
this.tableHeader = tableHeader;
}
public MySqlTableResult(TableHeader tableHeader, DataRowPacket[] rows)
{
this.tableHeader = tableHeader;
this.rows = rows;
}
public PreparedContext(uint statementId, SqlStringTemplate sqlStringTemplate, TableHeader tableHeader)
{
this.statementId = statementId;
_sqlStringTemplate = sqlStringTemplate;
_keys = _sqlStringTemplate.GetValueKeys();
//----------------------------------------------
_tableHeader = tableHeader;
int serverFieldCount = tableHeader.ColumnCount;
//add field information to _keys
List<FieldPacket> fields = tableHeader.GetFields();
//----------------------------------------------
int bindingCount = 0;
for (int i = 0; i < serverFieldCount; ++i)
{
FieldPacket f = fields[i];
if (f.name == "?") //
{
//this is binding field
_keys[bindingCount].fieldInfo = f;
bindingCount++;
}
}
//some field from server is not binding field
//so we select only binding field
if (bindingCount != _keys.Count)
{
throw new Exception("key num not matched!");
}
//-------------------------------------------------
_preparedValues = new MyStructData[bindingCount]; //***
}
public RowPreparedDataPacket(TableHeader tableHeader)
{
_tableHeader = tableHeader;
_myDataList = new MyStructData[tableHeader.ColumnCount];
_config = tableHeader.ConnConfig;
}
public MySqlTableResult(TableHeader tableHeader, List<DataRowPacket> rows)
{
this.tableHeader = tableHeader;
this.rows = rows;
}
public MySqlPrepareResponseResult(OkPrepareStmtPacket okPrepare, TableHeader tableHeader)
{
this.okPacket = okPrepare;
this.tableHeader = tableHeader;
}
internal SubTableHeader(TableHeader tableHeader)
{
this.tableHeader = tableHeader;
}
bool Parse_PrepareOk_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return _needMoreData = true;
}
var okPrepare = new OkPrepareStmtPacket(_currentHeader);
okPrepare.ParsePacketContent(reader);
_okPrepare = okPrepare;
//----------------------------------------------------
_tableHeader = new TableHeader(true);
//----------------------------------------------------
//*** 3 possible way after read prepare ok header***
if (okPrepare.num_params == 0)
{
//if prepare stmt dosn't have binding parameters
if (okPrepare.num_columns > 0)
{
//has some column
_parsingState = PrepareResponseParseState.ColumnField_Header;
}
else
{
_finalResult = new MySqlPrepareResponseResult(okPrepare, _tableHeader);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return true; //finish
}
}
else
{
_parsingState = PrepareResponseParseState.BindingField_Header;
}
return false;
}
/// <summary>
/// parse header part of the result set
/// </summary>
bool Parse_Header_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return _needMoreData = true;
}
//can parse
var resultSetHeaderPacket = new ResultSetHeaderPacket(_currentHeader);
resultSetHeaderPacket.ParsePacketContent(reader);
_tableHeader = new TableHeader(this.ForPrepareResult);
_parsingState = ResultPacketState.Field_Header;
_rows = new List<DataRowPacket>();
return false;
}
