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Markers migration: Fix migration for very large list of markers

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lain 2020-05-11 21:52:47 +02:00
parent 768c18facb
commit d8dd945a03
1 changed files with 8 additions and 4 deletions
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4
priv/repo/migrations/20200415181818_update_markers.exs
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@ -32,9 +32,13 @@ defp update_markers do
|> Map.put_new(:updated_at, now) |> Map.put_new(:updated_at, now)
end) end)
markers_attrs
|> Enum.chunk(1000)
|> Enum.each(fn marker_attrs ->
Repo.insert_all("markers", markers_attrs, Repo.insert_all("markers", markers_attrs,
on_conflict: {:replace, [:last_read_id]}, on_conflict: {:replace, [:last_read_id]},
conflict_target: [:user_id, :timeline] conflict_target: [:user_id, :timeline]
) )
end)
end end
end end