528   u32 iReCksum;              /* On commit, recalculate checksums from here */  member
834   if( pWal->iReCksum==0 ){  in walEncodeFrame()
3296   assert( pWal->writeLock==0 && pWal->iReCksum==0 );  in sqlite3WalBeginWriteTransaction()
3332     pWal->iReCksum = 0;  in sqlite3WalEndWriteTransaction()
3571   assert( pWal->iReCksum>0 );  in walRewriteChecksums()
3572   if( pWal->iReCksum==1 ){  in walRewriteChecksums()
3575     iCksumOff = walFrameOffset(pWal->iReCksum-1, szPage) + 16;  in walRewriteChecksums()
3581   iRead = pWal->iReCksum;  in walRewriteChecksums()
3582   pWal->iReCksum = 0;  in walRewriteChecksums()
3718         if( pWal->iReCksum==0 || iWrite<pWal->iReCksum ){  in sqlite3WalFrames()
3719           pWal->iReCksum = iWrite;  in sqlite3WalFrames()
3740   if( isCommit && pWal->iReCksum ){  in sqlite3WalFrames()