Method schema_names

datafusion-examples/examples/data_io/catalog.rs:240–243

(&self)

    }

    fn schema_names(&self) -> Vec<String> {
        let schemas = self.schemas.read().unwrap();
        schemas.keys().cloned().collect()
    }

    fn schema(&self, name: &str) -> Option<Arc<dyn SchemaProvider>> {
        let schemas = self.schemas.read().unwrap();