ClickHouse / ClickHouse/clickhouse-java
totals don't work with new Clickhouse server versions
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Descripción
```sql
select sum(number), greater
from (select number, number > 5 as greater from numbers(10))
group by greater with totals
```
ClickHouse 22.8.19.10 / ClickHouse JDBC Driver 0.4.6 (revision: dd91e17) -- totals OK
ClickHouse 23.3.5.9 / ClickHouse JDBC Driver 0.4.6 (revision: dd91e17) -- totals NOT OK
Guía de contribución
Línea de trabajo
Start by reproducing the SQL example against ClickHouse 22.8.19.10 and 23.3.5.9 with ClickHouse JDBC Driver 0.4.6, comparing the totals result. Trace the JDBC client's handling of grouped queries with WITH TOTALS and identify what changed between server versions. Done means the example returns totals correctly on the newer server without breaking the older version.
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Evaluación
- Stack tecnológico
- java
- Área
- databases
- Tipo de issue
- Error
- Dificultad
- 4/5
- Tiempo estimado
- 3-5 días
- Estado de actividad
- Estancado
- Claridad
- Bastante claro
- Aptitud para principiantes
- 35/100