Calcite does not support Oracle’s outer join syntax (“(+)”) or, for that
matter, SQL Server’s syntax (“(*)”).
Please log a JIRA case, asking for both to be added to the Babel parser. (I
don’t want to add it to the Core parser, because it will cause ambiguities.)
I don’t know of a workaround.
Julian
> On May 27, 2021, at 9:50 AM, Kimieciki, Igor (ESI)
> wrote:
>
> Hello Calcite Development Team!
>
> I'm a software developer working on a project which includes Oracle SQL
> queries parsing and transformation, and I'm using Calcite's engine to
> accomplish some of my objectives.
>
> I've been facing some issues regarding the parsing of SQL89 queries, more
> specifically the ones which use oracles outer join "(+)" syntax.
>
> For instance, when trying to parse the query below into an SqlNode object:
>
> SELECT *
> from TAB1, TAB2
> where TAB1.key = TAB2.key (+)
>
> I would receive the following exception:
>
> org.apache.calcite.sql.parser.impl.ParseException: Encountered ")" at line 3,
> column 26.
>
>
> I could not find any references for this operations on calcite's forums and
> documentations, so I'm reaching out this mail list to clarify those errors.
>
> Does Calcite currently support SQL89 outer join operations with (+) syntax?
> if not, is there any recommended workaround to process queries that use it?
>
> Any feedbacks are welcome and thank you for your time.
>
> Best Regards,
>
> Igor Kimieciki
>
>
