On a semi-tangent I would be curious to see the images, if Ken could maybe
upload
to a public image host like imgur (or similar) and then share the links
here.
On Wed, Jul 26, 2023 at 2:20 PM Julian Hyde wrote:
> Your images did not come through (ASF mail server strips them from all
> emails)
Your images did not come through (ASF mail server strips them from all emails)
but I’ll try my best to answer.
As you note, we added the Spool operator to model the case where the RelNode
tree is a DAG (one node has more than one consumer). But other than that,
relational algebra doesn’t have
Dear Calcite Community,
We are trying to use Calcite to parse SQLs, by breaking complicated SQLs
into WITH-AS blocks. Particularly, our goal is to first parse an SQL clause
into Calcite Logical Plans, and then manually traverse the entire tree and
use WITH-AS to wrap any sub-trees with a