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// compact.h
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
namespace mongo {
/** for bottom up fastbuildindex (where we presort keys) */
struct SortPhaseOne {
SortPhaseOne() {
n = 0;
nkeys = 0;
multi = false;
}
shared_ptr<BSONObjExternalSorter> sorter;
unsigned long long n; // # of records
unsigned long long nkeys;
bool multi; // multikey index
void addKeys(const IndexSpec& spec, const BSONObj& o, DiskLoc loc) {
BSONObjSet keys;
spec.getKeys(o, keys);
int k = 0;
for ( BSONObjSet::iterator i=keys.begin(); i != keys.end(); i++ ) {
if( ++k == 2 ) {
multi = true;
}
sorter->add(*i, loc);
nkeys++;
}
n++;
}
};
}
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