berkaysynnada commented on PR #16918:
URL: https://github.com/apache/datafusion/pull/16918#issuecomment-3121734839
> Comet sends sometimes a state null, true whereas DF never does that and
send s nulls, false instead. Probably it is explained that Comet calls physical
operations directly, without optimizations
I couldn't understand this, can you explain a bit more?
```rust
fn state(&mut self) -> Result<Vec<ScalarValue>> {
let is_set = if self.ignore_nulls && self.first.is_null() {
false
} else {
self.is_set
};
Ok(vec![self.first.clone(), ScalarValue::from(is_set)])
}
```
does it mean converting `fn state()`'s such would fix the problem?
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