Function clickhouse_postgres_client::fetch_one

pub async fn fetch_one<'c, 'q, 'async_trait, E>(
    sql: &'q str,
    executor: E
) -> Result<ClickhousePgRow, SqlxError>where
    E: ClickhouseExecutor<'c, 'q, 'async_trait, ClickhousePgRow>,
    ClickhousePgRow: From<<E::Database as SqlxDatabase>::Row>,
    'c: 'async_trait,
    'q: 'async_trait,