walCheckpoint    46069 third_party/sqlite/amalgamation/sqlite3.c       rc = walCheckpoint(pWal, eMode2, xBusy, pBusyArg, sync_flags, zBuf);
walCheckpoint    2789 third_party/sqlite/src/src/wal.c       rc = walCheckpoint(pWal, eMode2, xBusy, pBusyArg, sync_flags, zBuf);