I slightly prefer "function set" (should be "FunctionSet"?), as long as starting with "fun", which names the existing connection property.
Hongze > On Apr 27, 2019, at 06:45, Yuzhao Chen <yuzhao....@gmail.com> wrote: > > Thx for the discussing, Julian > > I’m also confused about the difference between SqlConformance and SqlDialect, > and now the Flavor, why not just use one word SqlDialect uniformly ? My > interpretation about sql dialect includes the functions, cause they are part > of the sql syntax as operators. > > Best, > Danny Chan > 在 2019年4月27日 +0800 AM2:47，Michael Mior <mm...@apache.org>，写道： >> I think "function set" sounds like a reasonable name. My current >> interpretation of dialect is that it's more related to the SQL syntax >> accepted by each system. I'm not really sure what the intended >> difference is between dialect and conformance is, but it seems like >> perhaps these two concepts could be merged. >> -- >> Michael Mior >> mm...@apache.org >> >> Le ven. 26 avr. 2019 à 14:14, Julian Hyde <jh...@apache.org> a écrit : >>> >>> There’s a discussion in https://issues.apache.org/jira/browse/CALCITE-2846 >>> <https://issues.apache.org/jira/browse/CALCITE-2846> about reorganizing the >>> Sql operator table. The idea is for people to be able to start a connection >>> with, say, the standard set of SQL functions, plus functions to emulate >>> MySQL, plus spatial functions. And for us to reorganize the code so that if >>> a function is in both MySQL and Oracle but not in the SQL Standard we only >>> define that function in one place. >>> >>> We need a word for a "set of functions". (Standard, MySQL, Oracle and >>> Spatial are examples of sets of functions in the above paragraph.) It is >>> tempting to call this a dialect, but that word has an existing meaning that >>> we do not want to change. “Conformance” is another existing concept that we >>> need to work with. I suggested “flavor” in the JIRA case, but now I’m >>> thinking it is an arbitrary word that gives very little clue as to its >>> purpose. The concept is already exposed via the connect-string parameter >>> “fun" (e.g. “jdbc:calcite:fun=spatial,oracle”). >>> >>> Any ideas for a better word, or a better way of organizing the dialect / >>> conformance / function set concepts. >>> >>> Julian >>>
