suhassumukh opened a new issue #11813:
URL: https://github.com/apache/druid/issues/11813
This query -
```sql
select * from foo where dim is null or dim='a'
```
is translated to (just the `filter` part)-
```json
"filter": {
"type": "in",
"dimension": "dim",
"values": [
null,
"a"
]
}
```
which looks good.
However, the translation for this query -
```sql
select * from foo where not (dim is null or dim = 'a')
```
is -
```json
"filter": {
"type": "not",
"field": {
"type": "selector",
"dimension": "dim",
"value": "a",
"extractionFn": null
}
}
```
The `null` condition is lost in the translation and rows with `dim=null` are
returned. This is not the expected outcome.
The expected query plan is thus,
```json
"filter": {
"type": "not",
"field": {
"type": "in",
"dimension": "dim",
"values": [
null,
"a"
]
}
}
```
Affected Version(s):
Apache Druid 0.19.0
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