Functions/Lists & arrays/array_to_string_comma_default

array_to_string_comma_default()

Arguments & returns

Macro

Overload link	`arr`	`sep`	Returns
#01	`unknown`	`unknown`	`unknown`

CASE
  WHEN ((len(CAST(arr AS VARCHAR[])) = 0)) THEN ('')
  ELSE list_aggr(CAST(arr AS VARCHAR[]), 'string_agg', sep)
END