Select_or_valuesGenerator.java 文件源码

private static ExprContext rewriteHaving(GeneratorContext ctx, Planner planner, ExprContext expr) {
    ExprContext rewritten = new ExprContext(expr.getParent(), expr.invokingState);
    for (ParseTree i:expr.children) {
        if (i instanceof Expr_functionContext) {
            rewritten.addChild(rewriteHaving(ctx, planner, (Expr_functionContext)i));
        }
        else if (i instanceof ExprContext) {
            rewritten.addChild(rewriteHaving(ctx, planner, (ExprContext)i));
        }
        else if (i instanceof RuleContext) {
            rewritten.addChild((RuleContext)i);
        }
        else if (i instanceof TerminalNode) {
            rewritten.addChild((TerminalNode)i);
        }
        else {
            throw new CodingError();
        }
    }
    return rewritten;
}