mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
96 lines
2.0 KiB
C++
96 lines
2.0 KiB
C++
#include <unistd.h>
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <cerrno>
|
|
using namespace std;
|
|
|
|
#include <boost/scoped_ptr.hpp>
|
|
#include <boost/scoped_array.hpp>
|
|
using namespace boost;
|
|
|
|
#include "mcsconfig.h"
|
|
|
|
#include "socktype.h"
|
|
|
|
#include "exceptclasses.h"
|
|
|
|
#include "socketio.h"
|
|
|
|
#include "bytestream.h"
|
|
#include "messagequeue.h"
|
|
using namespace messageqcpp;
|
|
|
|
#include "rowgroup.h"
|
|
using namespace rowgroup;
|
|
|
|
namespace qfe
|
|
{
|
|
void processReturnedRows(MessageQueueClient* mqc, SockType fd)
|
|
{
|
|
scoped_ptr<MessageQueueClient> cleaner(mqc);
|
|
SBS sbs;
|
|
sbs = mqc->read();
|
|
// cerr << "got a bs of " << sbs->length() << " bytes" << endl;
|
|
|
|
RowGroup rg;
|
|
rg.deserialize(*sbs);
|
|
|
|
// cerr << "got a base rowgroup with rows of " << rg.getRowSize() << " bytes" << endl;
|
|
// cerr << rg.toString() << endl;
|
|
|
|
ByteStream bs;
|
|
ByteStream::quadbyte tableOID = 100;
|
|
bs.reset();
|
|
bs << tableOID;
|
|
mqc->write(bs);
|
|
|
|
sbs = mqc->read();
|
|
// cerr << "got a bs of " << sbs->length() << " bytes" << endl;
|
|
RGData rgd;
|
|
rgd.deserialize(*sbs, true);
|
|
rg.setData(&rgd);
|
|
// cerr << "got a rowgroup with: " << rg.getRowCount() << " rows" << endl;
|
|
|
|
socketio::writeString(fd, "OK");
|
|
Row r;
|
|
|
|
while (rg.getRowCount() > 0)
|
|
{
|
|
rg.initRow(&r);
|
|
rg.getRow(0, &r);
|
|
string csv;
|
|
bs.reset();
|
|
|
|
for (unsigned i = 0; i < rg.getRowCount(); i++)
|
|
{
|
|
csv = r.toCSV();
|
|
bs << csv;
|
|
r.nextRow();
|
|
}
|
|
|
|
// cerr << "writing " << bs.length() << " bytes back to client" << endl;
|
|
SockWriteFcn(fd, bs.buf(), bs.length());
|
|
|
|
bs.reset();
|
|
bs << tableOID;
|
|
mqc->write(bs);
|
|
|
|
sbs = mqc->read();
|
|
// cerr << "got a bs of " << sbs->length() << " bytes" << endl;
|
|
rgd.deserialize(*sbs, true);
|
|
rg.setData(&rgd);
|
|
// cerr << "got a rowgroup with: " << rg.getRowCount() << " rows" << endl;
|
|
}
|
|
|
|
tableOID = 0;
|
|
bs.reset();
|
|
bs << tableOID;
|
|
mqc->write(bs);
|
|
|
|
// sync with the client on end-of-results
|
|
SockWriteFcn(fd, &tableOID, 4);
|
|
SockReadFcn(fd, &tableOID, 4);
|
|
}
|
|
|
|
} // namespace qfe
|