fts3SegReaderCmp 122002 ext/sqlite3/libsqlite/sqlite3.c   fts3SegReaderSort(pCsr->apSegment, nSeg, nSeg, fts3SegReaderCmp);
fts3SegReaderCmp 122123 ext/sqlite3/libsqlite/sqlite3.c     fts3SegReaderSort(apSegment, nSegment, pCsr->nAdvance, fts3SegReaderCmp);