Here are these functions with detailed documentation:
intagg.int_array_append_aggregate(int): fast merge arrays into one large
intarray._int_group_count_sort(int, bool): frequency-based sorting
intarray.bidx(int, int): binary search in a sorted array
Tested for about a year on a real PostgreSQL cluster (10 machines, Slony
replication) under a heavy load (millions of requests).
No crash nor memory problem detected during a year, so I suppose these
functions are well-tested.
What do you think about that?
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