Method has_catalog_data

graphlite/src/storage/data_adapter.rs:262–270

Check if the database contains saved catalog data

(
        &self,
        driver: &dyn StorageDriver<Tree = Box<dyn StorageTree>>,
    )

    /// Check if the database contains saved catalog data
    pub fn has_catalog_data(
        &self,
        driver: &dyn StorageDriver<Tree = Box<dyn StorageTree>>,
    ) -> Result<bool, Box<dyn std::error::Error>> {
        let catalog_tree = driver.open_tree("catalog")?;
        catalog_tree
            .contains_key(b"catalog_data")
            .map_err(|e| e.into())
    }

    /// Clear all data from the database
    pub fn clear(