Doug Cutting wrote:
Andrzej Bialecki wrote:
I'm working on a patchset related to adaptive fetch interval (discussed on the list). I have a first cut impl. working, but still using the current byte-sized fetch interval. Proper implementation calls for changing the WebDB format, to store fetch interval as seconds, not days (e.g. in a 4-byte value, instead of 1-byte it uses now). This will of course break all existing DBs, although it is possible to write a tool to migrate it.
I don't think a tool should be required. Just increment PAGE.CUR_VERSION to 5 and then in readFields(), when version < 5 read the old-format byte and convert it to seconds. Won't that give back-compatibility?
I just checked the Page.java - it seems you're right, this should do it.
-- Best regards, Andrzej Bialecki
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