7077   PgHdr *pPgOld;               /* The page being overwritten. */  in sqlite3PagerMovepage()  local
7145   pPgOld = sqlite3PagerLookup(pPager, pgno);  in sqlite3PagerMovepage()
7146   assert( !pPgOld || pPgOld->nRef==1 || CORRUPT_DB );  in sqlite3PagerMovepage()
7147   if( pPgOld ){  in sqlite3PagerMovepage()
7148     if( NEVER(pPgOld->nRef>1) ){  in sqlite3PagerMovepage()
7149       sqlite3PagerUnrefNotNull(pPgOld);  in sqlite3PagerMovepage()
7152     pPg->flags |= (pPgOld->flags&PGHDR_NEED_SYNC);  in sqlite3PagerMovepage()
7156       sqlite3PcacheMove(pPgOld, pPager->dbSize+1);  in sqlite3PagerMovepage()
7158       sqlite3PcacheDrop(pPgOld);  in sqlite3PagerMovepage()
7170   if( pPager->tempFile && pPgOld ){  in sqlite3PagerMovepage()
7171     sqlite3PcacheMove(pPgOld, origPgno);  in sqlite3PagerMovepage()
7172     sqlite3PagerUnrefNotNull(pPgOld);  in sqlite3PagerMovepage()