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Merge pull request #73150 from rschu1ze/docs-q19

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Docs: Remove obsolete comment about TPC-H Q19
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Robert Schulze 2024-12-11 19:20:01 +00:00 committed by GitHub
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docs/en/getting-started/example-datasets/tpch.md
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@ -998,46 +998,6 @@ WHERE
);
```
::::note
As of October 2024, the query is extremely slow due to missing join predicate pushdown. Corresponding issue: https://github.com/ClickHouse/ClickHouse/issues/70802
This alternative formulation works and was verified to return the reference results.
```sql
SELECT
sum(l_extendedprice * (1 - l_discount)) AS revenue
FROM
lineitem,
part
WHERE
p_partkey = l_partkey
AND l_shipinstruct = 'DELIVER IN PERSON'
AND l_shipmode IN ('AIR', 'AIR REG')
AND (
(
p_brand = 'Brand#12'
AND p_container IN ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG')
AND l_quantity >= 1 AND l_quantity <= 1 + 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#34'
AND p_container IN ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG')
AND l_quantity >= 20 AND l_quantity <= 20 + 10
AND p_size BETWEEN 1 AND 15
)
)
```
::::
**Q20**
```sql