richard-misiak-az opened a new issue, #14010:
URL: https://github.com/apache/pinot/issues/14010
Pinot 1.2.0
The following query
```
SELECT *
FROM
(SELECT
CASE
WHEN m.userId = 'abc123' THEN 'Test1'
ELSE 'Test2'
END as segment
FROM example m)
WHERE segment in ('Test1', 'Test2')
```
returns the error
```
Query execution error on:
Server_xxx-pinot-server-0.xxx-pinot-server-headless.xxx.svc.cluster.local_8098
java.lang.RuntimeException: Caught exception while running CombinePlanNode.}
org.apache.pinot.query.service.dispatch.QueryDispatcher.runReducer(QueryDispatcher.java:306)
org.apache.pinot.query.service.dispatch.QueryDispatcher.submitAndReduce(QueryDispatcher.java:96)
org.apache.pinot.broker.requesthandler.MultiStageBrokerRequestHandler.handleRequest(MultiStageBrokerRequestHandler.java:219)
org.apache.pinot.broker.requesthandler.BaseBrokerRequestHandler.handleRequest(BaseBrokerRequestHandler.java:133)
```
The same error occurs for the CTE form
```
WITH data AS (
SELECT
CASE
WHEN m.userId = 'abc123' THEN 'Test1'
ELSE 'Test2'
END as segment
FROM example m
)
SELECT * FROM data WHERE segment in ('Test1', 'Test2')
```
Some other where clause results
- `WHERE segment in ('foo')` - error
- `WHERE segment in ('Test1')` - no error
- `WHERE segment = 'Test1'` - no error
- `WHERE segment = 'Test1' or segment = 'Test2'` - error
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