firebird
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Make gfix handle io errors and other changes
- Fix page number data type to ULONG.
- Fix subtraction backversion pages from chain pages.
- Fix call release_page according to fetch_page.
- CCH_fetch handles I/O errors and returns NULL in buffer if read_shadow is not set.
- Check all calls of fetch_page to handle returned value.
- Add several corrupt messages.
What's about this PR?
What's about this PR?
Will look at it in a next few days.