Ok,
thank you very much Julian, we'll try it out.
Best regards, Davide and Guohui.
On 14/02/18 19:42, Julian Hyde wrote:
It sounds like a good fit. Parse the SQL, translate to relational algebra,
apply some query transformation rules on the algebra.
If you have a few simple transformations
It sounds like a good fit. Parse the SQL, translate to relational algebra,
apply some query transformation rules on the algebra.
If you have a few simple transformations in mind, you may be able to achieve it
without a cost model. Or, as you propose, a simple model based on cardinality.
To conv
Hi,
We are considering using Calcite to perform cost-based query optimization
in our project.
Specifically, we can already generate some SQL queries expressed in some
relational algebra expression through our API, and we want to optimize the
generated expressions using Calcite.
We have a cost mo
