auxiliary argument is of
the form "Ntruncate" where "N" is a frame number, then truncate the WAL
file after the N-th frame.
FossilOrigin-Name: 90015df30655d884ecf7ae61e588824696954252dc6b1a5f78cf2de8cb236104
"showwal $FILE 123bmc" show the content of the btree page in frame
123. "b" means decode the btree. "c" means show cell content.
"m" means give a map of the btree page.
FossilOrigin-Name: 93b159da5d2570946fdcd7da120bf7eb82b840f3
only individual checksum failures are shown. And only show failures, not
correct checksums.
FossilOrigin-Name: 4e2bf57549a8d50fc0993386c724eb4a2b35c9fe
