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perf(import): reuse auto-created groups across import chunks

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This commit is contained in:
Moritz 2026-06-03 02:32:15 +02:00
parent 68a1a9530a
commit 118b9f8d57
5 changed files with 90 additions and 3 deletions
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14
lib/mv/membership/import/import_runner.ex
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@ -97,6 +97,20 @@ defmodule Mv.Membership.Import.ImportRunner do
}
end
@doc """
Carries the in-memory group snapshot grown by a chunk back into `import_state`
so the next chunk reuses groups created earlier instead of re-reading the
Group table. When the chunk result omits `groups_found`, the state is returned
unchanged.
"""
@spec carry_groups_forward(map(), map()) :: map()
def carry_groups_forward(import_state, chunk_result) do
case Map.fetch(chunk_result, :groups_found) do
{:ok, groups_found} -> Map.put(import_state, :groups_found, groups_found)
:error -> import_state
end
end
@doc """
Returns the next action after processing a chunk: send the next chunk index or done.
"""