FunctionsArrayarray_lengthReturns the number of top-level elements in each input array. array_length(…) → UInt64 Kind · scalar Returns the number of top-level elements in each input array. Part of the Array family.array_last_or_nullBehaves like array_last while explicitly preserving null output for empty inputs.array_lowerReturns one for one-dimensional arrays and null for unsupported higher dimensions in the current runtime.