Examples of com.alibaba.druid.sql.ast.SQLExpr.accept()

com.alibaba.druid.sql.ast.SQLExpr.accept()

        }


        Object value = testExpr.getAttribute(EVAL_VALUE);


        SQLExpr beginExpr = unwrap(x.getBeginExpr());
        beginExpr.accept(visitor);
        if (!beginExpr.getAttributes().containsKey(EVAL_VALUE)) {
            return false;
        }


        Object begin = beginExpr.getAttribute(EVAL_VALUE);

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            x.getAttributes().put(EVAL_VALUE, x.isNot() ? true : false);
            return false;
        }


        SQLExpr endExpr = unwrap(x.getEndExpr());
        endExpr.accept(visitor);
        if (!endExpr.getAttributes().containsKey(EVAL_VALUE)) {
            return false;
        }


        Object end = endExpr.getAttribute(EVAL_VALUE);

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        return false;
    }


    public static boolean visit(SQLEvalVisitor visitor, SQLInListExpr x) {
        SQLExpr valueExpr = x.getExpr();
        valueExpr.accept(visitor);
        if (!valueExpr.getAttributes().containsKey(EVAL_VALUE)) {
            return false;
        }
        Object value = valueExpr.getAttribute(EVAL_VALUE);

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        SQLExpr right = unwrap(x.getRight());


        // final WallConditionContext old = wallConditionContextLocal.get();


        left.accept(visitor);
        right.accept(visitor);


        final WallConditionContext wallConditionContext = WallVisitorUtils.getWallConditionContext();
        if (x.getOperator() == SQLBinaryOperator.BooleanOr) {
            if (wallConditionContext != null) {
                if (left.getAttribute(EVAL_VALUE) == Boolean.TRUE || right.getAttribute(EVAL_VALUE) == Boolean.TRUE) {

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            print("(");
            printAndAccept(x.getParameters(), ", ");
            SQLExpr from = (SQLExpr) x.getAttribute("FROM");
            if (from != null) {
                print(" FROM ");
                from.accept(this);
            }


            SQLExpr forExpr = (SQLExpr) x.getAttribute("FOR");
            if (forExpr != null) {
                print(" FOR ");

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            }


            SQLExpr forExpr = (SQLExpr) x.getAttribute("FOR");
            if (forExpr != null) {
                print(" FOR ");
                forExpr.accept(this);
            }
            print(")");


            return false;
        }

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            printAndAccept(x.getParameters(), ", ");


            SQLExpr from = (SQLExpr) x.getAttribute("FROM");
            if (from != null) {
                print(" FROM ");
                from.accept(this);
            }


            print(")");


            return false;

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        switch (x.getOperator()) {
            case BINARY:
            case Prior:
            case ConnectByRoot:
                print(' ');
                expr.accept(this);
                return false;
            default:
                break;
        }

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                break;
        }


        if (expr instanceof SQLBinaryOpExpr) {
            print('(');
            expr.accept(this);
            print(')');
        } else if (expr instanceof SQLUnaryExpr) {
            print('(');
            expr.accept(this);
            print(')');

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            print('(');
            expr.accept(this);
            print(')');
        } else if (expr instanceof SQLUnaryExpr) {
            print('(');
            expr.accept(this);
            print(')');
        } else {
            expr.accept(this);
        }
        return false;

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