You need TokenRewriteStream for the ASTNode. which is in Context or
ParseDriver.
String rewrite(TokenRewriteStream rewriter, ASTNode source) throws
Exception {
// some modification..
return rewriter.toString(source.getTokenStartIndex(),
source.getTokenStopIndex());
}
Thanks,
Navis
2014-07-25 7:17 GMT+09:00 Lin Liu <[email protected]>:
> Hi folks,
>
> Currently I am working on a project which needs to generate query string
> based on the modified AST.
> Does Hive contain this mechanism already?
> If not, which tools would help to complete the task?
>
> Thanks in advance.
>
> Lin
>