select 42424.4242424242::Float64 as x, [42.42::Float64, 42.42::Float64] as arr, tuple(42.42::Float64) as tuple format JSONEachRow settings output_format_json_quote_64bit_floats=1; select 42424.4242424242::Float64 as x, [42.42::Float64, 42.42::Float64] as arr, tuple(42.42::Float64) as tuple format JSONEachRow settings output_format_json_quote_64bit_floats=0;