unlockBtreeIfUnused 50123 sqlite3/libsqlite/sqlite3.c       unlockBtreeIfUnused(pBt);
unlockBtreeIfUnused 50668 sqlite3/libsqlite/sqlite3.c     unlockBtreeIfUnused(pBt);
unlockBtreeIfUnused 51096 sqlite3/libsqlite/sqlite3.c     unlockBtreeIfUnused(pBt);