Pry `show-tables` command to list tables for the current ActiveRecord connection.

pry-show_tables.rb

Pry::Commands.create_command "show-tables" do
  group       "Rails"
  description "List tables for the current ActiveRecord connection"

  def options(opt)
    opt.banner unindent <<-BANNER
      Usage: show-tables
      List tables for the current ActiveRecord connection
    BANNER
  end

  def process
    tables.each do |table|
      output.puts(table)
    end
  end

  private

  def tables
    ActiveRecord::Base.connection.tables
  end
end