Stuart, do you want to work on this ticket? В Вт, 07/08/2018 в 11:13 -0700, Stuart Macdonald пишет: > Thanks Val, here’s the ticket: > > https://issues.apache.org/jira/projects/IGNITE/issues/IGNITE-9228 > <https://issues.apache.org/jira/projects/IGNITE/issues/IGNITE-9228?filter=allopenissues> > > (Thanks for correcting my terminology - I work mostly with the traditional > CacheConfiguration interface where I believe each cache occupies its own > schema.) > > Stuart. > > On 7 Aug 2018, at 18:34, Valentin Kulichenko <valentin.kuliche...@gmail.com> > wrote: > > Stuart, > > Two tables can have same names only if they are located in different > schemas. Said that, sdding schema name support makes sense to me for sure. > We can implement this using either separate SCHEMA_NAME parameter, or > similar to what you suggested in option 3 but with schema name instead of > cache name. > > Please feel free to create a ticket. > > -Val > > On Tue, Aug 7, 2018 at 9:32 AM Stuart Macdonald <stu...@stuwee.org> wrote: > > Hello Igniters, > > > The Ignite Spark SQL interface currently takes just “table name” as a > > parameter which it uses to supply a Spark dataset with data from the > > underlying Ignite SQL table with that name. > > > To do this it loops through each cache and finds the first one with the > > given table name [1]. This causes issues if there are multiple tables > > registered in different caches with the same table name as you can only > > access one of those caches from Spark. Is the right thing to do here: > > > 1. Simply not support such a scenario and note in the Spark documentation > > that table names must be unique? > > 2. Pass an extra parameter through the Ignite Spark data source which > > optionally specifies the cache name? > > 3. Support namespacing in the existing table name parameter, ie > > “cacheName.tableName”? > > > Thanks, > > Stuart. > > > [1] > > > https://github.com/apache/ignite/blob/ca973ad99c6112160a305df05be9458e29f88307/modules/spark/src/main/scala/org/apache/ignite/spark/impl/package.scala#L119
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