recoll/src/rcldb/rcldups.cpp
Jean-Francois Dockes 02556e7d08 doc and comments
2020-06-25 16:06:45 +02:00

99 lines
2.9 KiB
C++

/* Copyright (C) 2013-2020 J.F.Dockes
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
////////////////////////////////////////////////////////////////////
#include "autoconfig.h"
#include <string>
using namespace std;
#include <xapian.h>
#include "log.h"
#include "rcldb.h"
#include "rcldb_p.h"
#include "xmacros.h"
#include "md5ut.h"
#include "searchdata.h"
#include "rclquery.h"
namespace Rcl {
/** Retrieve the dups of a given document. The input has to be a query result
* because we use the xdocid. We get the md5 from this, then the dups */
bool Db::docDups(const Doc& idoc, vector<Doc>& odocs)
{
if (m_ndb == 0) {
LOGERR("Db::docDups: no db\n");
return false;
}
if (idoc.xdocid == 0) {
LOGERR("Db::docDups: null xdocid in input doc\n");
return false;
}
// Get the xapian doc
Xapian::Document xdoc;
XAPTRY(xdoc = m_ndb->xrdb.get_document(Xapian::docid(idoc.xdocid)),
m_ndb->xrdb, m_reason);
if (!m_reason.empty()) {
LOGERR("Db::docDups: xapian error: " << m_reason << "\n");
return false;
}
// Get the md5
string digest;
XAPTRY(digest = xdoc.get_value(VALUE_MD5), m_ndb->xrdb, m_reason);
if (!m_reason.empty()) {
LOGERR("Db::docDups: xapian error: " << m_reason << "\n");
return false;
}
if (digest.empty()) {
LOGDEB("Db::docDups: doc has no md5\n");
return false;
}
string md5;
MD5HexPrint(digest, md5);
SearchData *sdp = new SearchData();
std::shared_ptr<SearchData> sd(sdp);
SearchDataClauseSimple *sdc =
new SearchDataClauseSimple(SCLT_AND, md5, "rclmd5");
sdc->addModifier(SearchDataClause::SDCM_CASESENS);
sdc->addModifier(SearchDataClause::SDCM_DIACSENS);
sd->addClause(sdc);
Query query(this);
query.setCollapseDuplicates(0);
if (!query.setQuery(sd)) {
LOGERR("Db::docDups: setQuery failed\n");
return false;
}
int cnt = query.getResCnt();
for (int i = 0; i < cnt; i++) {
Doc doc;
if (!query.getDoc(i, doc)) {
LOGERR("Db::docDups: getDoc failed at " << i << " (cnt " << cnt <<
")\n");
return false;
}
odocs.push_back(doc);
}
return true;
}
}