comphead commented on issue #17466:
URL: https://github.com/apache/datafusion/issues/17466#issuecomment-3271655597
> Maybe we can follow the model of whatever system that comes from 🤔
The closest is `DESCRIBE query` like DuckDB does,
Apache Spark uses a dataframe API method like
```
spark.sql("select 1").printSchema()
```
which doesn't seem usable in SQL context which more fits to DataFusion.
Other major query engines doesn't support this functionality. Therefore I'll
probably start with DuckDb's `DESCRIBE query` if no other suggestions
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