Function save_dataframe 

pub fn save_dataframe(
    db_path: &str,
    table_name: &str,
    df: &DataFrame,
) -> Result<(), PoliteError>

Save a DataFrame to SQLite with automatic table creation and better error handling.

This convenience function handles connection creation and provides clearer error messages.

Arguments

• db_path - Path to the SQLite database file (will be created if it doesn’t exist)
• table_name - Name of the table to create/insert into
• df - The DataFrame to save

Examples

use polite::save_dataframe;
use polars::prelude::*;

let df = df! {
    "id" => [1, 2, 3],
    "name" => ["Alice", "Bob", "Charlie"],
}.unwrap();

save_dataframe("output.db", "users", &df)
    .expect("Failed to save DataFrame");