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21 lines
548 B
Elixir
21 lines
548 B
Elixir
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defmodule AshPostgres.CustomExtension do
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@moduledoc """
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A custom extension implementation.
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"""
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@callback install(version :: integer) :: String.t()
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@callback uninstall(version :: integer) :: String.t()
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defmacro __using__(name: name, latest_version: latest_version) do
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quote do
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@behaviour AshPostgres.CustomExtension
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@extension_name unquote(name)
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@extension_latest_version unquote(latest_version)
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def extension, do: {@extension_name, @extension_latest_version, &install/1, &uninstall/1}
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end
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end
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end
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