Пример #1
0
        private void ParseExpressionAtom(ExpressionAtomPredicateContext node)
        {
            foreach (var child in node.children)
            {
                if (child is ConstantExpressionAtomContext constantExp)
                {
                    this.ParseConstExpression(constantExp);
                }
                else if (child is MysqlVariableExpressionAtomContext variableExp)
                {
                    string text = variableExp.GetText();

                    this.Write(text, 1);
                }
                else if (child is FullColumnNameExpressionAtomContext columnNameExp)
                {
                    string text = columnNameExp.GetText();

                    this.Write(text, 1);
                }
                else if (child is MathExpressionAtomContext mathExp)
                {
                    this.ParseMathExpression(mathExp);
                }
            }
        }
Пример #2
0
        public string ParseExpressionAtom(ExpressionAtomPredicateContext node)
        {
            StringBuilder sb = new StringBuilder();

            foreach (var child in node.children)
            {
                if (child is ConstantExpressionAtomContext constantExp)
                {
                    string text = this.ParseConstExpression(constantExp);

                    sb.Append(text);
                }
                else if (child is MysqlVariableExpressionAtomContext variableExp)
                {
                    string text = variableExp.GetText();

                    sb.Append(text);
                }
                else if (child is FullColumnNameExpressionAtomContext columnNameExp)
                {
                    string text = columnNameExp.GetText();

                    sb.Append(text);
                }
                else if (child is MathExpressionAtomContext mathExp)
                {
                    string text = this.ParseMathExpression(mathExp);

                    sb.Append(text);
                }
                else if (child is NestedExpressionAtomContext nested)
                {
                    string text = nested.GetText();

                    sb.Append(text);
                }
                else if (child is FunctionCallExpressionAtomContext func)
                {
                    string text = func.GetText();

                    sb.Append(text);
                }
            }

            return(sb.ToString());
        }
Пример #3
0
 public static QsiExpressionNode VisitExpressionAtomPredicate(ExpressionAtomPredicateContext context)
 {
     return(VisitExpressionAtom(context.expressionAtom()));
 }