We had a problem with LogicalProject not being converted to its more
efficient version when using the RelBuilder. Perhaps something similar is
happening to you because of the way the sequence tables are defined.
Our fix was to override the createScan method on the TableScanFactory:
https://issues.a
I don’t know what you mean by “operations”. Most relational operators can be
pushed down. And a few contributors are improving the JDBC adapter all the time.
Sequences are only partially done. Most of the work has been done by and for
the Phoenix project, which implements sequences as tables. Th
