How can I append int value to int array in Hive without UDF? -


i have int column main_region , int array column regions.

is there way select append(main_region, regions) ... without udf?

hive limited in terms of udfs array manipulation.

if string array, have used concat_ws , split.

for general case, think explode , collect_list can used, very inefficient.

your best bet implement one-line udf...


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