mathieudruart opened a new issue, #8849:
URL: https://github.com/apache/pinot/issues/8849
**Step to reproduce** :
1. create an offline table with some columns and at least a multi-valued one
2. load some data
3. try this request : `select distinct myMultiValuedColumn from MyTable
where otherColumn in ('MY_VALUE') limit 1000`
4. an error occurs :
```
"message": "QueryExecutionError:\njava.lang.UnsupportedOperationException
org.apache.pinot.segment.spi.index.reader.ForwardIndexReader.readDictIds(ForwardIndexReader.java:84)
org.apache.pinot.core.common.DataFetcher$ColumnValueReader.readDictIds(DataFetcher.java:418)
org.apache.pinot.core.common.DataFetcher.fetchDictIds(DataFetcher.java:89)
org.apache.pinot.core.common.DataBlockCache.getDictIdsForSVColumn(DataBlockCache.java:109)",
"errorCode": 200
```
The same request without the "distinct" or the "where clause" works fine.
Reproduced with Pinot 0.10.0
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