lmdb-safe/lmdb-typed.cc

17 lines
328 B
C++

#include "lmdb-typed.hh"
namespace LMDBSafe {
unsigned int MDBGetMaxID(MDBRWTransaction& txn, MDBDbi& dbi)
{
auto cursor = txn->getRWCursor(dbi);
MDBOutVal maxidval, maxcontent;
unsigned int maxid{0};
if(!cursor.get(maxidval, maxcontent, MDB_LAST)) {
maxid = maxidval.get<unsigned int>();
}
return maxid;
}
}