alexch2000 opened a new issue, #12374:
URL: https://github.com/apache/pinot/issues/12374
`=` sign doesn't work as an operator inside aggregation functions for
multivalued columns. For instance, following query fails with error
```
select
SUM(case when DayOfWeek = 3 AND DivTailNums = 'N7713A' then 1 else 0 end) as
res
from airlineStats
Group BY Carrier
```
Error:
```
Error Code: 200
QueryExecutionError:
java.lang.UnsupportedOperationException
at
org.apache.pinot.segment.spi.index.reader.ForwardIndexReader.readDictIds(ForwardIndexReader.java:118)
at
org.apache.pinot.core.common.DataFetcher$ColumnValueReader.readStringValues(DataFetcher.java:570)
at
org.apache.pinot.core.common.DataFetcher.fetchStringValues(DataFetcher.java:239)
at
org.apache.pinot.core.common.DataBlockCache.getStringValuesForSVColumn(DataBlockCache.java:277)
```
Same query works with `=` in where statement
```
select
SUM(case when DayOfWeek = 3 then 1 else 0 end) as res
from airlineStats
WHERE DivTailNums = 'N7713A'
Group BY Carrier
```
Result:
`{"columns":["res"],"records":[[2]]}`
Version info
```
{
"pinot-protobuf":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-kafka-2.0":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-avro": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-distribution":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-csv": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-s3": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-yammer": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-segment-uploader-default":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-confluent-avro":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-thrift": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-batch-ingestion-standalone":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-orc": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-pulsar": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-clp-log": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-dropwizard":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-azure": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-gcs": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-hdfs": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-kinesis": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-adls": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-json": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-minion-builtin-tasks":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-parquet": "1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187",
"pinot-segment-writer-file-based":
"1.1.0-SNAPSHOT-f22de0a4be910af09556666df3aa44ae78d59187"
}
```
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