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Postgres sync engine. Sync little subsets of your Postgres data into local apps and services.

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electric lib pg_interop postgrex extensions pg_lsn.ex
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lib/pg_interop/postgrex/extensions/pg_lsn.ex 

defmodule PgInterop.Postgrex.Extensions.PgLsn do

  use Postgrex.BinaryExtension, send: "pg_lsn_send"

  import Postgrex.BinaryUtils, warn: false



  def encode(_state) do

    quote location: :keep do

      %Electric.Postgres.Lsn{} = lsn ->

        <<8::int32(), Electric.Postgres.Lsn.to_integer(lsn)::uint64()>>



      other ->

        raise DBConnection.EncodeError,

              Postgrex.Utils.encode_msg(other, "a value of type Electric.Postgres.Lsn.t()")

    end

  end



  def decode(_) do

    quote location: :keep do

      <<8::int32(), wal_offset::uint64()>> ->

        Electric.Postgres.Lsn.from_integer(wal_offset)

    end

  end

end