std::size_t SQLiteStatementImpl::next()
{
if (SQLITE_ROW == _nextResponse)
{
poco_assert (columnsReturned() == sqlite3_column_count(_pStmt));
Extractions& extracts = extractions();
Extractions::iterator it = extracts.begin();
Extractions::iterator itEnd = extracts.end();
std::size_t pos = 0; // sqlite starts with pos 0 for results!
for (; it != itEnd; ++it)
{
(*it)->extract(pos);
pos += (*it)->numOfColumnsHandled();
_isExtracted = true;
}
_stepCalled = false;
if (_affectedRowCount == POCO_SQLITE_INV_ROW_CNT) _affectedRowCount = 0;
if (extracts.begin() != extracts.end())
{
_affectedRowCount += static_cast<int>((*extracts.begin())->numOfRowsHandled());
}
}
else if (SQLITE_DONE == _nextResponse)
{
throw Poco::Data::DataException("No data received");
}
else
{
Utility::throwException(_pDB, _nextResponse, std::string("Iterator Error: trying to access the next value"));
}
return 1u;
}
void SQLiteStatementImpl::next()
{
if (SQLITE_ROW == _nextResponse)
{
poco_assert (columnsReturned() == sqlite3_column_count(_pStmt));
Extractions& extracts = extractions();
Extractions::iterator it = extracts.begin();
Extractions::iterator itEnd = extracts.end();
std::size_t pos = 0; // sqlite starts with pos 0 for results!
for (; it != itEnd; ++it)
{
(*it)->extract(pos);
pos += (*it)->numOfColumnsHandled();
}
_stepCalled = false;
}
else if (SQLITE_DONE == _nextResponse)
{
throw Poco::Data::DataException("No data received");
}
else
{
int rc = _nextResponse;
Utility::throwException(rc, std::string("Iterator Error: trying to access the next value: ") + toString());
}
}
void ODBCStatementImpl::fillColumns()
{
Poco::UInt32 colCount = columnsReturned();
Poco::UInt32 curDataSet = currentDataSet();
if (curDataSet >= _columnPtrs.size())
_columnPtrs.resize(curDataSet + 1);
for (int i = 0; i < colCount; ++i)
_columnPtrs[curDataSet].push_back(new ODBCMetaColumn(_stmt, i));
}
void ODBCStatementImpl::makeInternalExtractors()
{
if (hasData() && !extractions().size())
{
try
{
fillColumns();
} catch (DataFormatException&)
{
if (isStoredProcedure()) return;
throw;
}
makeExtractors(columnsReturned());
fixupExtraction();
}
}
