We’ve discussed hints before. There may even be a JIRA case. I’d like to see a concrete proposal, not just for syntax, but how the hints would make their way through relational algebra.
Julian > On Oct 10, 2018, at 07:57, Arina Yelchiyeva <[email protected]> > wrote: > > Hi all, > > currently Calcite does not support hints. Since usually hints are expressed > as multi-line comment after SELECT keyword followed by the plus sign [1], > Calcite ignores them as all others comments.It can be useful if Calcite > will provide functionality to store hints and allow source system to use > them during planning / execution time. > > Any thoughts? > > [1] https://docs.oracle.com/cd/B12037_01/server.101/b10752/hintsref.htm > > Kind regards, > Arina
