Tup.Cobar4Net.Parser.Recognizer.Mysql.Syntax.MySqlExprParser.Extract C# (CSharp) Method

        private Extract Extract()
        {
            var unit = IntervalPrimaryUnit();
            Match(MySqlToken.KwFrom);
            var date = Expression();
            Match(MySqlToken.PuncRightParen);
            var extract = new Extract(unit, date);
            extract.SetCacheEvalRst(cacheEvalRst);
            return extract;
        }