debugf("VALUE ipair_get(i%d,i%d) running...\n", si,di);
SQL_MUST( sqlite3_bind_int(ss_ipair_dist, 1, si) );
SQL_MUST( sqlite3_bind_int(ss_ipair_dist, 2, di) );
debugf("VALUE ipair_get(i%d,i%d) running...\n", si,di);
SQL_MUST( sqlite3_bind_int(ss_ipair_dist, 1, si) );
SQL_MUST( sqlite3_bind_int(ss_ipair_dist, 2, di) );