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-- ================================================================
-- Setup the table
--
set extra_float_digits=0;
SELECT hll_set_output_version(1);
-- This test relies on a non-standard fixed sparse-to-compressed
-- threshold value.
--
SELECT hll_set_max_sparse(512);
DROP TABLE IF EXISTS test_ptwysrqk;
CREATE TABLE test_ptwysrqk (
recno SERIAL,
cardinality double precision,
raw_value bigint,
union_compressed_multiset hll
);
-- Copy the CSV data into the table
--
\copy test_ptwysrqk (cardinality, raw_value, union_compressed_multiset) from sql/data/cumulative_add_comprehensive_promotion.csv with csv header
SELECT COUNT(*) FROM test_ptwysrqk;
-- Test incremental adding.
SELECT curr.recno,
curr.union_compressed_multiset,
hll_add(prev.union_compressed_multiset, curr.raw_value::hll_hashval)
FROM test_ptwysrqk prev, test_ptwysrqk curr
WHERE curr.recno > 1
AND curr.recno = prev.recno + 1
AND curr.union_compressed_multiset !=
hll_add(prev.union_compressed_multiset, curr.raw_value::hll_hashval)
ORDER BY curr.recno;
-- Test cardinality of incremental adds.
SELECT curr.recno,
curr.cardinality,
hll_cardinality(hll_add(prev.union_compressed_multiset,
curr.raw_value::hll_hashval))
FROM test_ptwysrqk prev, test_ptwysrqk curr
WHERE curr.recno > 1
AND curr.recno = prev.recno + 1
AND round(curr.cardinality::numeric, 10) !=
round(hll_cardinality(hll_add(prev.union_compressed_multiset,
curr.raw_value::hll_hashval))::numeric,
10)
ORDER BY curr.recno;
DROP TABLE test_ptwysrqk;
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