コード例 #1
0
        public string Rewrite(string queryText, params RewriteRule[] rewriteRules)
        {
            var lexer = new parsers.MySQLLexer(
                Antlr4.Runtime.CharStreams.fromstring(queryText)
                );

            lexer.sqlMode = parsers.SqlMode.IgnoreSpace;

            var parser = new parsers.MySQLParser(new Antlr4.Runtime.CommonTokenStream(lexer));

            parser.BuildParseTree = true;
            //parser.Interpreter.PredictionMode = PredictionMode.SLL;

            var parseTree = parser.query();

            var writer  = new MySqlQueryWriter();
            var visitor = new MySqlQueryVisitor(writer);

            foreach (var rewriteRule in rewriteRules)
            {
                rewriteRule.ConfigureQueryVisitor(visitor);
            }

            MySqlTreeWalker.Instance.Walk(visitor, parseTree);

            return(writer.ToString());
        }
コード例 #2
0
 public abstract void ConfigureQueryVisitor(MySqlQueryVisitor queryVisitor);