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The typed, attribute-queryable in-memory store for ETS and Mnesia. A simple ORM with record expiry (TTL), crash resilience, and atomic take-once reads.
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lib/query/query.ex
defmodule ActiveMemory.Query do
@moduledoc """
## The `match` query syntax
Using the `match` macro you can structure a basic query.
```elixir
query = match(:department == "sales" or :department == "marketing" and :start_date > last_month)
Store.select(query)
```
"""
defmacro match(query) do
reduce(query)
|> Macro.escape()
end
defp reduce({operand, _meta, [lhs, rhs]}), do: {operand, reduce(lhs), reduce(rhs)}
defp reduce(value) when is_atom(value), do: value
defp reduce(value) when is_binary(value), do: value
defp reduce(value) when is_integer(value), do: value
end