internal void SetCurrentSubTable(MySqlSubTable currentSubTable)
{
this.currentSubTable = currentSubTable;
this.fieldMaps = null;
if (!currentSubTable.IsEmpty)
{
isEmptyTable = false;
this.rows = currentSubTable.GetMySqlTableResult().rows;
_isBinaryProtocol = currentSubTable.IsBinaryProtocol;
subTableRowCount = rows.Count;
//buffer for each row
cells = new MyStructData[currentSubTable.FieldCount];
}
else
{
isEmptyTable = true;
_isBinaryProtocol = false;
rows = null;
subTableRowCount = 0;
}
currentRowIndex = 0;
}
/// <summary>
/// blocking, wait for first data arrive
/// </summary>
internal void WaitUntilFirstDataArrive()
{
TRY_AGAIN:
if (emptySubTable)
{
//no current table
bool hasSomeSubTables = false;
lock (subTables)
{
if (subTables.Count > 0)
{
MySqlSubTable subt = new MySqlSubTable(subTables.Dequeue());
SetCurrentSubTable(subt);
hasSomeSubTables = true;
}
}
if (!hasSomeSubTables)
{
if (tableResultIsNotComplete)
{
//we are in isPartial table mode (not complete)
//so must wait until the table arrive **
//------------------
//wait ***
//------------------
//TODO: review here *** tight loop
//*** tigh loop
//wait on this
while (tableResultIsNotComplete)
{
;
}
goto TRY_AGAIN;
}
}
}
}
//for read on each subtable
internal MySubTableDataReader(MySqlSubTable tableResult)
{
SetCurrentSubTable(tableResult);
}
/// <summary>
/// sync read row
/// </summary>
/// <returns></returns>
public override bool Read()
{
TRY_AGAIN:
if (IsEmptyTable)
{
//no current table
bool hasSomeSubTables = false;
lock (subTables)
{
if (subTables.Count > 0)
{
MySqlSubTable subT = new MySqlSubTable(subTables.Dequeue());
SetCurrentSubTable(subT);
hasSomeSubTables = true;
}
}
if (!hasSomeSubTables)
{
if (tableResultIsNotComplete)
{
//we are in isPartial table mode (not complete)
//so must wait until the table arrive **
//------------------
//wait ***
//------------------
//TODO: review here *** tight loop
while (tableResultIsNotComplete)
{
; //*** tight loop
}
//------------------
goto TRY_AGAIN;
}
else if (!firstResultArrived)
{
//another tight loop
//wait for first result arrive
//TODO: review here *** tight loop
while (!firstResultArrived)
{
; //*** tight loop
}
goto TRY_AGAIN;
}
else
{
//not in partial table mode
return(false);
}
}
}
//------------------------------------------------------------------
if (base.Read())
{
return(true);
}
else
{
SetCurrentSubTable(MySqlSubTable.Empty);
goto TRY_AGAIN;
}
}
/// <summary>
/// sync read row
/// </summary>
/// <returns></returns>
public override bool Read()
{
TRY_AGAIN:
if (IsEmptyTable)
{
//no current table
bool hasSomeSubTables = false;
lock (subTables)
{
if (subTables.Count > 0)
{
MySqlSubTable subT = new MySqlSubTable(subTables.Dequeue());
SetCurrentSubTable(subT);
hasSomeSubTables = true;
}
}
if (!hasSomeSubTables)
{
if (tableResultIsNotComplete)
{
//we are in isPartial table mode (not complete)
//so must wait until the table arrive **
//------------------
//wait ***
//------------------
//TODO: review here *** tight loop
while (tableResultIsNotComplete) ; //*** tight loop
//------------------
goto TRY_AGAIN;
}
else if (!firstResultArrived)
{
//another tight loop
//wait for first result arrive
//TODO: review here *** tight loop
while (!firstResultArrived) ;//*** tight loop
goto TRY_AGAIN;
}
else
{
//not in partial table mode
return false;
}
}
}
//------------------------------------------------------------------
if (base.Read())
{
return true;
}
else
{
SetCurrentSubTable(MySqlSubTable.Empty);
goto TRY_AGAIN;
}
}
/// <summary>
/// blocking, wait for first data arrive
/// </summary>
internal void WaitUntilFirstDataArrive()
{
TRY_AGAIN:
if (emptySubTable)
{
//no current table
bool hasSomeSubTables = false;
lock (subTables)
{
if (subTables.Count > 0)
{
MySqlSubTable subt = new MySqlSubTable(subTables.Dequeue());
SetCurrentSubTable(subt);
hasSomeSubTables = true;
}
}
if (!hasSomeSubTables)
{
if (tableResultIsNotComplete)
{
//we are in isPartial table mode (not complete)
//so must wait until the table arrive **
//------------------
//wait ***
//------------------
//TODO: review here *** tight loop
//*** tigh loop
//wait on this
while (tableResultIsNotComplete) ;
goto TRY_AGAIN;
}
}
}
}
internal void SetCurrentSubTable(MySqlSubTable currentSubTable)
{
this.currentSubTable = currentSubTable;
this.fieldMaps = null;
if (!currentSubTable.IsEmpty)
{
isEmptyTable = false;
this.rows = currentSubTable.GetMySqlTableResult().rows;
_isBinaryProtocol = currentSubTable.IsBinaryProtocol;
subTableRowCount = rows.Count;
//buffer for each row
cells = new MyStructData[currentSubTable.FieldCount];
}
else
{
isEmptyTable = true;
_isBinaryProtocol = false;
rows = null;
subTableRowCount = 0;
}
currentRowIndex = 0;
}
//for read on each subtable
internal MySubTableDataReader(MySqlSubTable tableResult)
{
SetCurrentSubTable(tableResult);
}
