nDbSize          51762 ext/sqlite3/libsqlite/sqlite3.c     int nDbSize;   /* 0 normally.  Positive == commit flag */
nDbSize          51765 ext/sqlite3/libsqlite/sqlite3.c     nDbSize = (isCommit && p->pDirty==0) ? nTruncate : 0;
nDbSize          51766 ext/sqlite3/libsqlite/sqlite3.c     rc = walWriteOneFrame(&w, p, nDbSize, iOffset);