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GetForeignUpperPaths & aggregate pushdown #22
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Thanks @jyc ! That looks great, we have no plan yet but if you can contribute that will be much appreciated. |
Thanks! FYI I'm not sure when I'll be able to get to it, so please don't wait on me. Do you have a preferred way for people to send in questions? I tried to follow the "hello world" instructions in the README right now and ran into an error:
It looks like the
... but the wrappers_handler function isn't defined. Did I do something wrong? |
We just did a major refactoring for the code, docs aren't updated yet, will update it soon. |
I am also interested in supporting this pushdown. What do you think of an API akin to the one by Multicorn? In the
Also modify the functions that take the query, i.e What do you think? |
Is there any ongoing work on supporting GetForeignUpperPaths? I was thinking of taking a stab at it, but I don't want to duplicate effort.
This would let us push down aggregates for evaluation by the foreign server. Here's a blog post about implementing this in Multicorn, a FDW framework for Python: https://www.splitgraph.com/blog/postgresql-fdw-aggregation-pushdown-multicorn-part-1
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