Enclosed is v3 of this patch; this adds two modes for this feature, one with the raw page `--save-fullpage/-W` and one with the LSN+checksum fixups `--save-fullpage-fixup/-X`.
I've added at least some basic sanity-checking of the underlying feature, as well as run the test file and the changes to pg_waldump.c through pgindent/perltidy to make them adhere to project standards. Threw in a rebase as well. Would appreciate any additional feedback here. Best, David
v3-pg_waldump-save-fpi.patch
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