FunctionsArrayarray_uniqCounts unique element values in each array argument using token equality. array_uniq(…) → UInt64 Kind · scalar Counts unique element values in each array argument using token equality. Part of the Array family.array_unionReturns unique elements from all input arrays, preserving first-seen order across arguments.array_upperReturns the one-based upper bound for dimension one; higher dimensions return null in this runtime.