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Request: we want a way to combine dimensions that doesn't rely on any assumptions on memory layout or ordering. Instead of flattening we are going to use the word "bunching".
Example: In the 2nd to…
srush updated
3 years ago
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Hi Evgeny!
I'm a little bit involved into PostgreSQL development, so I decided to take a look on Logica.
Seems like an interesting piece of research, thanks!
There is a good post summarizing deve…
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I believe I read a while ago that the current DB course - Relational Database Systems from UNAM - was added only because of Stanford's Lagunita closure (please correct me if I'm wrong). Furthermore, @…
s7oev updated
4 years ago
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Sometimes Calcite produces a relational algebra plan that produces a cartesian join. For example:
query = """ select
o_orderpriority, count(*) as order_count
fro…
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- [ ] **What's wrong?**
After installing orange3 with pipenv without errors,
running orange-canvas does not work.
- [ ] **How can we reproduce the problem?**
Installed: apt install v…
wibrt updated
3 years ago
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# DBMS
**Database** is a collection of inter-related data which helps in efficient retrieval, insertion and deletion of data from database and organizes the data in the form of tables, views, schemas…
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Hello,
I'm sorry I couldn't find a better channel of communication for this --- I was unable to find your e-mail on your Github account, so I decided to raise an issue.
I'm trying to understand …
bollu updated
4 years ago
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**Describe the bug**
While testing with `pytest-cov` we started noticing some failures due to an "internal" error. Digging deeper, it looks like somehow a shared object (.so) file has made its way …
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Currently, there is one [separate type](https://github.com/genjidb/genji/blob/3dbc0f9c906524df393101ae7008b3e8c576393c/sql/query/select.go#L14) for each kind of statement, containing the entire logic …
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Here is code to reproduce the issue
```python
import typing
import pandas as pd
import numpy
from neurolang.utils.relational_algebra_set.pandas import RelationalAlgebraSet
from neurolang.d…