mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-20 09:07:44 +03:00
90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; version 2 of
|
|
the License.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
/*****************************************************************************
|
|
* $Id$
|
|
*
|
|
****************************************************************************/
|
|
|
|
/** @file
|
|
* Brief description of the file contents
|
|
*
|
|
* More detailed description
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "we_index.h"
|
|
#include "calpontsystemcatalog.h"
|
|
|
|
using namespace std;
|
|
|
|
void usage()
|
|
{
|
|
cout << "Usage: print_indextree_subblock filename block_offset subblock_number" << endl;
|
|
exit(1);
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
char buf[256];
|
|
int fd, err, subblock, fbo, byteoffset, i;
|
|
string filename;
|
|
WriteEngine::IdxBitTestEntry* entry;
|
|
|
|
if (argc != 4)
|
|
usage();
|
|
|
|
filename = argv[1];
|
|
fbo = atoi(argv[2]);
|
|
subblock = atoi(argv[3]);
|
|
|
|
cout << "FBO: " << fbo << " Subblock: " << subblock << endl;
|
|
fd = open(filename.c_str(), O_RDONLY);
|
|
|
|
if (fd < 0)
|
|
{
|
|
perror("open");
|
|
exit(1);
|
|
}
|
|
|
|
byteoffset = fbo * BLOCK_SIZE + subblock * 256;
|
|
lseek(fd, byteoffset, SEEK_SET);
|
|
err = read(fd, buf, 256);
|
|
|
|
if (err != 256)
|
|
{
|
|
perror("read");
|
|
exit(1);
|
|
}
|
|
|
|
close(fd);
|
|
|
|
for (i = 0, byteoffset = 0; byteoffset < 256; byteoffset += sizeof(WriteEngine::IdxBitTestEntry), i++)
|
|
{
|
|
entry = (WriteEngine::IdxBitTestEntry*)&buf[byteoffset];
|
|
cout << "Entry " << i << ": fbo=" << (int)entry->fbo << " sbid=" << entry->sbid
|
|
<< " sbentry=" << entry->entry << " group=" << entry->group << " bittest=" << entry->bitTest
|
|
<< " type=" << entry->type << endl;
|
|
}
|
|
|
|
exit(0);
|
|
}
|