Method drop_view

datafusion/core/src/execution/context/mod.rs:1066–1078

(&self, cmd: DropView)

    }

    async fn drop_view(&self, cmd: DropView) -> Result<DataFrame> {
        let DropView {
            name, if_exists, ..
        } = cmd;
        let result = self
            .find_and_deregister(name.clone(), TableType::View)
            .await;
        match (result, if_exists) {
            (Ok(true), _) => self.return_empty_dataframe(),
            (_, true) => self.return_empty_dataframe(),
            (_, _) => exec_err!("View '{name}' doesn't exist."),
        }
    }

    async fn drop_schema(&self, cmd: DropCatalogSchema) -> Result<DataFrame> {
        let DropCatalogSchema {