Attached, array -> rows iterator. select * from unnest(array[1,2,3,4,5]);
Unnest --------------- 1 2 3 4 5 5 rows The switch statement could probably be done in a different way, but there doesn't seem to be any good examples of how to return anyitem. If anyone have a better way, please let me know. Does anyone know how to check individual array elements for NULL values? PG_ARG_ISNULL() seems to return true if ANY array element is null; ex:: array[1,2,3,null,4,5] Comments / improvements welcome. Kind regards, John
Makefile
Description: Makefile
unnest.c
Description: unnest.c
unnest.sql
Description: unnest.sql
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