Function gitql_engine::engine_executor::execute_statement

source ยท 
pub fn execute_statement(
    env: &mut Environment,
    statement: &Box<dyn Statement>,
    data_provider: &Box<dyn DataProvider>,
    gitql_object: &mut GitQLObject,
    alias_table: &mut HashMap<String, String>,
    hidden_selection: &Vec<String>
) -> Result<(), String>