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Add benchmark for STDDEV and VAR to Clickbench extended #12146

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Aug 25, 2024
Merged

Add benchmark for STDDEV and VAR to Clickbench extended #12146

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15 changes: 15 additions & 0 deletions benchmarks/queries/clickbench/README.md
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Expand Up @@ -58,6 +58,21 @@ LIMIT 10;
```


### Q3: What is the income distribution for users in specific regions

**Question**: "What regions and social networks have the highest variance of parameter price

**Important Query Properties**: STDDEV and VAR aggregation functions, GROUP BY multiple small ints

```sql
SELECT "SocialSourceNetworkID", "RegionID", COUNT(*), AVG("Age"), AVG("ParamPrice"), STDDEV("ParamPrice") as s, VAR("ParamPrice")
FROM 'hits.parquet'
GROUP BY "SocialSourceNetworkID", "RegionID"
HAVING s IS NOT NULL
ORDER BY s DESC
LIMIT 10;
```

## Data Notes

Here are some interesting statistics about the data used in the queries
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3 changes: 2 additions & 1 deletion benchmarks/queries/clickbench/extended.sql
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SELECT COUNT(DISTINCT "SearchPhrase"), COUNT(DISTINCT "MobilePhone"), COUNT(DISTINCT "MobilePhoneModel") FROM hits;
SELECT COUNT(DISTINCT "HitColor"), COUNT(DISTINCT "BrowserCountry"), COUNT(DISTINCT "BrowserLanguage") FROM hits;
SELECT "BrowserCountry", COUNT(DISTINCT "SocialNetwork"), COUNT(DISTINCT "HitColor"), COUNT(DISTINCT "BrowserLanguage"), COUNT(DISTINCT "SocialAction") FROM hits GROUP BY 1 ORDER BY 2 DESC LIMIT 10;
SELECT "BrowserCountry", COUNT(DISTINCT "SocialNetwork"), COUNT(DISTINCT "HitColor"), COUNT(DISTINCT "BrowserLanguage"), COUNT(DISTINCT "SocialAction") FROM hits GROUP BY 1 ORDER BY 2 DESC LIMIT 10;
SELECT "SocialSourceNetworkID", "RegionID", COUNT(*), AVG("Age"), AVG("ParamPrice"), STDDEV("ParamPrice") as s, VAR("ParamPrice") FROM hits GROUP BY "SocialSourceNetworkID", "RegionID" HAVING s IS NOT NULL ORDER BY s DESC LIMIT 10;
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