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-- ----------------------------------------------------------------
-- Regression tests for explicit threshold control.
-- ----------------------------------------------------------------
SELECT hll_set_output_version(1);
hll_set_output_version
------------------------
1
(1 row)
-- Should display sparseon = 1
SELECT hll_print(hll_empty(12,5,0,1));
hll_print
-----------------------------------------------------
EMPTY, nregs=4096, nbits=5, expthresh=0, sparseon=1
(1 row)
-- Should display sparseon = 0
SELECT hll_print(hll_empty(12,5,0,0));
hll_print
-----------------------------------------------------
EMPTY, nregs=4096, nbits=5, expthresh=0, sparseon=0
(1 row)
-- Should become sparse
SELECT hll_add(hll_empty(12,5,0,1), hll_hash_integer(1,0));
hll_add
----------------
\x138c40afe180
(1 row)
-- Should go straight to compressed
SELECT hll_add(hll_empty(12,5,0,0), hll_hash_integer(1,0));
hll_add
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00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(1 row)
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