class ActiveRecord::ConnectionAdapters::SQLite3Adapter::ExplainPrettyPrinter

:nodoc:

0|1|1|SCAN TABLE posts (~100000 rows)
0|0|0|SEARCH TABLE users USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)

the output of the SQLite shell:
Pretty prints the result of a EXPLAIN QUERY PLAN in a way that resembles

def pp(result) # :nodoc:
  result.rows.map do |row|
    row.join('|')
  end.join("\n") + "\n"
end