Client APIs
Data Input
To directly query a Polars DataFrame, run:  
```python
import duckdb
import polars as pl

polars_df = pl.DataFrame({"a": [42]})
duckdb.sql("SELECT * FROM polars_df")
```  
```text
┌───────┐
│   a   │
│ int64 │
├───────┤
│    42 │
└───────┘
```