Commit Graph

9 Commits

Author SHA1 Message Date
Jussi Saurio
045b11b255 bench/tpc-h: don't fail build if query 1 has output difference (known floating point precision issue) 2025-09-26 16:02:37 +03:00
Jussi Saurio
a783f82470 bench/tpch: remove "cast('yyyy-mm-dd' as datetime)"
this causes sqlite and tursodb to interpret the value as just 'yyyy',
e.g. '1995-01-01' becomes '1995', causing a lot of the queries not to
return any results, which is not what we want.
2025-09-26 15:55:38 +03:00
Jussi Saurio
e65742e5ff Fail CI if tursodb output differs from sqlite in tpc-h queries 2025-08-26 11:30:37 +03:00
Jussi Saurio
86b1232268 chore: enable indexes by default 2025-08-01 15:44:56 +03:00
Pekka Enberg
018b17b6f2 Rename Limbo to Turso Database 2025-06-26 21:05:02 +03:00
Pekka Enberg
129713018c Bring back TPC-H benchmarks 2025-06-26 10:27:46 +03:00
Jussi Saurio
6790b7479c Optimization: lift common subexpressions from OR terms
```sql
-- This PR does effectively this transformation:

select
	sum(l_extendedprice* (1 - l_discount)) as revenue
from
	lineitem,
	part
where
	(
		p_partkey = l_partkey
		and p_brand = 'Brand#22'
		and p_container in ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG')
		and l_quantity >= 8 and l_quantity <= 8 + 10
		and p_size between 1 and 5
		and l_shipmode in ('AIR', 'AIR REG')
		and l_shipinstruct = 'DELIVER IN PERSON'
	)
	or
	(
		p_partkey = l_partkey
		and p_brand = 'Brand#23'
		and p_container in ('MED BAG', 'MED BOX', 'MED PKG', 'MED PACK')
		and l_quantity >= 10 and l_quantity <= 10 + 10
		and p_size between 1 and 10
		and l_shipmode in ('AIR', 'AIR REG')
		and l_shipinstruct = 'DELIVER IN PERSON'
	)
	or
	(
		p_partkey = l_partkey
		and p_brand = 'Brand#12'
		and p_container in ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG')
		and l_quantity >= 24 and l_quantity <= 24 + 10
		and p_size between 1 and 15
		and l_shipmode in ('AIR', 'AIR REG')
		and l_shipinstruct = 'DELIVER IN PERSON'
	);

-- Same query with common conjuncts (ANDs) extracted:
select
	sum(l_extendedprice* (1 - l_discount)) as revenue
from
	lineitem,
	part
where
	p_partkey = l_partkey
	and l_shipmode in ('AIR', 'AIR REG')
	and l_shipinstruct = 'DELIVER IN PERSON'
	and (
		(
			p_brand = 'Brand#22'
			and p_container in ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG')
			and l_quantity >= 8 and l_quantity <= 8 + 10
			and p_size between 1 and 5
		)
		or
		(
			p_brand = 'Brand#23'
			and p_container in ('MED BAG', 'MED BOX', 'MED PKG', 'MED PACK')
			and l_quantity >= 10 and l_quantity <= 10 + 10
			and p_size between 1 and 10
		)
		or
		(
			p_brand = 'Brand#12'
			and p_container in ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG')
			and l_quantity >= 24 and l_quantity <= 24 + 10
			and p_size between 1 and 15
		)
	);
```
2025-05-20 14:25:15 +03:00
Jussi Saurio
53b135829a tpc-h: fix 'time' output in Ubuntu CI 2025-05-17 16:55:05 +03:00
Jussi Saurio
51b097fa3d perf/ci: add basic tpc-h benchmark 2025-05-15 17:09:49 +03:00