tristaZero opened a new issue #9528:
URL: https://github.com/apache/shardingsphere/issues/9528
Hi, community,
### Background
I am glad to share that ShardingSphere supports most of the join queries
from different shardings (or database instances) after #9518 merged.
Accordingly, this is an issue to add unit tests for `SQL federation` when
executing join queries on sharding tables.
### Target files
CalciteStatementTest and CalcitePrepareStatementTest
### How
- Add a unit test concerning`join` SQL for two sharding tables which
existed in
`shardingsphere-jdbc/shardingsphere-jdbc-core/src/test/resources/config/config-calcite.yaml`
### Tip
- #9019 and #9249 for your references
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