public String visit()

in flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisExpressionVisitor.java [44:83]
39 lines of code
13 McCabe index (conditional complexity)

    public String visit(CallExpression call) {
        if (BuiltInFunctionDefinitions.EQUALS.equals(call.getFunctionDefinition())) {
            return combineExpression("=", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.LESS_THAN.equals(call.getFunctionDefinition())) {
            return combineExpression("<", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.LESS_THAN_OR_EQUAL.equals(call.getFunctionDefinition())) {
            return combineExpression("<=", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.GREATER_THAN.equals(call.getFunctionDefinition())) {
            return combineExpression(">", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.GREATER_THAN_OR_EQUAL.equals(call.getFunctionDefinition())) {
            return combineExpression(">=", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.NOT_EQUALS.equals(call.getFunctionDefinition())) {
            return combineExpression("<>", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.OR.equals(call.getFunctionDefinition())) {
            return combineExpression("OR", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.AND.equals(call.getFunctionDefinition())) {
            return combineExpression("AND", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.LIKE.equals(call.getFunctionDefinition())) {
            return combineExpression("LIKE", call.getResolvedChildren());
        }
        if (BuiltInFunctionDefinitions.IS_NULL.equals(call.getFunctionDefinition())) {
            return combineLeftExpression("IS NULL", call.getResolvedChildren().get(0));
        }
        if (BuiltInFunctionDefinitions.IS_NOT_NULL.equals(call.getFunctionDefinition())) {
            return combineLeftExpression("IS NOT NULL", call.getResolvedChildren().get(0));
        }

        if (BuiltInFunctionDefinitions.CAST.equals(call.getFunctionDefinition())) {
            return call.getChildren().get(0).accept(this);
        }
        return null;
    }