In https://github.com/julianhyde/calcite/commit/35d7187803e59fe76ab56cf4ced91cf88f71d4af <https://github.com/julianhyde/calcite/commit/35d7187803e59fe76ab56cf4ced91cf88f71d4af> (not yet merged to master) I made it easier to convert a SqlNode to a SQL string. See class SimpleContext.
> On Jul 25, 2018, at 2:58 PM, Jacques Nadeau <[email protected]> wrote: > > Why not just add a clone method or similar to SqlWriter? > > On Wed, Jul 25, 2018 at 2:00 PM, James Duong <[email protected]> wrote: > >> Hi, >> >> During the process of unparsing a SqlNode tree, is there a way to unparse a >> subtree to a String then cache its value? >> >> I was thinking I could spawn another SqlWriter from the SqlWriter object >> supplied to unparse(), then pull the SQL string fragment from it. But the >> SqlWriter isn't cloneable, so there isn't a guaranteed way to ensure the >> new SqlWriter is created the same way as the original. >>
