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Hi,
I watched your HYTRADBOI 2022 talk and this looks super cool!
I'm wondering how closely linked the query language is to the query engine itself?
To me it seems like the real magic is your…
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The RelaX calculator ROCKS. I use it in teaching the relational algebra to 100's of students annually at UC Irvine and having it available has proven game-changing in terms of helping students to rea…
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I get one of two alternating forms when entering, repeatedly, the following expression in the same session:
```python
>>> Piecewise((nan, ITE(ceiling(oo/c) 0, Eq(c, 0), False))))
Piecewise((nan,…
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**Describe what's wrong**
The error message references a projection that was not created by the user.
https://fiddle.clickhouse.com/cc99e6e1-9c5d-4d36-99ed-02c3cc65a7dc
**Does it reproduce on…
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My project has an `&%>` (AND pattern) rule. Internally, it seems Shakes decomposes this into several rules, e.g. if I have `["*.o", "*.hi"]`, I get a rule "Foo.hi Foo.o" as well as a rule "Foo.hi" and…
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I'm probably one of the biggest Haskell fanboys alive: I [blog about Haskell](haskellforall.com) and also maintain several [Haskell packages](https://hackage.haskell.org/user/GabrielGonzalez). I beli…
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``` datalog
A(x) :- R(x,3), x>3+1.
```
will compile to a wrong RA plan and a wrong Myria plan. The expression `3+1` will be ignored.
Is this by design or is this a bug?
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Raco already has rules to:
1. removed redundant `Shuffle`s when two operators require hash the same key, e.g. a join and aggregate
2. decompose aggregate into local agg->shuffle->local agg
What Raco …
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[@RossTate] In the discussion for Tuples (#3187), @luxspes brought up the issue of record types, a variant of tuples which are particularly important to databases and relational algebra.
One database…
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Preliminary:
- [x] Get MIMIC deceased data on our cluster
- [x] Configure access to cluster for MIT collaborators
- [x] Stand up a separate instance of Myria for Big Dog experiment
- [x] Stand up a Sc…