Replace lag function with lead to calculate coin balance deltas

5 years ago · 5d65fc4c57
parent 4abef9d535
commit 5d65fc4c57
1 changed files with 1 additions and 1 deletions
--- a/apps/explorer/lib/explorer/chain/address/coin_balance.ex
+++ b/apps/explorer/lib/explorer/chain/address/coin_balance.ex
@ -78,7 +78,7 @@ defmodule Explorer.Chain.Address.CoinBalance do
      where: not is_nil(cb.value),
      order_by: [desc: :block_number],
      limit: ^page_size,
-      select_merge: %{delta: fragment("coalesce(lag(value, 1) over (order by block_number desc), 0) - value")}
+      select_merge: %{delta: fragment("value - coalesce(lead(value, 1) over (order by block_number desc), 0)")}
    )
  end