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mod_storage_internal: Fix fast trimming of archive with exactly one item

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This method would previously never delete the first (and only) item
since it works out which item should become the first item after the
trim operation, which doesn't make sense when all should be removed.

This also works as an optimization for when all the last item should be
trimmed, thus items should be removed.
This commit is contained in:
Kim Alvefur 2023-09-24 13:41:54 +02:00
parent adfd306e6e
commit 069bcf619b
1 changed files with 7 additions and 0 deletions
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7
plugins/mod_storage_internal.lua
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@ -347,6 +347,13 @@ end
function archive:trim(username, to_when)
local list, err = datamanager.list_open(username, host, self.store);
if not list then return list,err;end
-- shortcut: check if the last item should be trimmed, if so, drop the whole archive
local last = list[#list].when or datetime.parse(list[#list].attr.stamp);
if last <= to_when then
return datamanager.list_store(username, host, self.store, nil);
end
-- luacheck: ignore 211/exact
local i, exact = binary_search(list, function(item)
local when = item.when or datetime.parse(item.attr.stamp);