local db = require("lapis.db")
local schema = require("lapis.db.schema")
local types = schema.types

return {
  [1] = function ()
    schema.create_table("sessions", {
      {"id", types.integer{primary_key = true}},
      {"key", types.text{unique = true}},
      {"user_id", "INTEGER REFERENCES users(id) ON DELETE CASCADE"},
      {"expires_at", types.integer},
      {"created_at", "INTEGER DEFAULT (unixepoch(CURRENT_TIMESTAMP))"},
    })

    db.query("CREATE INDEX sessions_user_id ON sessions(user_id)")
    db.query("CREATE INDEX session_keys ON sessions(key)")
  end,

  [2] = function ()
    schema.add_column("users", "confirmed_on", types.integer{null = true})
  end
}