LiaCastaneda commented on PR #19546:
URL: https://github.com/apache/datafusion/pull/19546#issuecomment-3696808417
> Is there any way we can add a test showing that if there are no downstream
consumers we don't compute the filters?
I added `test_hashjoin_dynamic_filter_pushdown_not_used` that creates a
TestScanNode with support == false in the probe node and with
`enable_dynamic_filter_pushdown` is enabled so this
```
let enable_dynamic_filter_pushdown = context
.session_config()
.options()
.optimizer
.enable_join_dynamic_filter_pushdown
&& self
.dynamic_filter
.as_ref()
.map(|df| df.filter.is_used())
.unwrap_or(false);
```
should still return `false` even if the config is enabled
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