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lib/node.ex

defmodule ExoSQL.Node do
def schema(_db), do: {:ok, ["passwd"]}
def schema(_db, "passwd") do
{:ok, %{ headers: [
"user", "x", "uid", "gid", "name", "home", "shell"
]}}
end
def execute(_db, "passwd", _quals, columns) do
csv_data = File.stream!("/etc/passwd") |> CSV.decode(separator: ?:)
rows = for l <- csv_data do
{:ok, l} = l
l
end
{:ok, %{ headers: [
"user", "x", "uid", "gid", "name", "home", "shell"
], rows: rows}}
end
end