Hey Druids,
I'm looking into how to add keywords to Druid's SQL dialect, and I wanted
to ask if anyone has enough familiarity with Calcite to point at some info
about how to do that without needing to modify Calcite itself?
Some specifics would be useful. But in general, adding a new keyword
(reserved or non-reserved) will require changes to the paser. Calcite
allows (I won't say it makes it easy) for projects like Druid to
create a derived parser by building a parser from the same parser
template as Calcite's core pa
