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**Describe the bug**
Count(*) gives wrong results for some parquet files with metadata. Curiously, if we call bc.sql() with the non-optimized logical plan as input, the output is right.
**Steps/Co…
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This SQL script is not converting to a functioning relational algebra statement: `select distinct teaches.course_id from teaches join instructor on instructor.ID = teaches.ID where instructor.name = '…
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I came across a surprising behavior, and I wanted to verify that it is in fact a bug before attempting to fix (I'd be more than happy to submit a patch if this is agreed to be a bug). The bug is that …
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# Abstract
This document contains proposals, design as well as implementation decisions
and will be extended and rewritten in the cycle of development of Keto's underlying
ACL system.
> This d…
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Even if TPT is considered slow, it is a boon for many real world business scenarios. If implemented properly and well thought of, TPT is not slow for a given need in most of the cases.
If possible, o…
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When calling the ASP solver from PyBoolNet, there seems to be a threshold for the max number of solutions that it will output.
https://github.com/hklarner/PyBoolNet/blob/master/PyBoolNet/AspSolver.…
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The following query is rejected by relax:
`select distinct * from R where R.a = (select max(a) from R);`
In this case, the challenge is for relax to discover that this query returns a single tup…
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This issue proposes that Go should support some form of generic programming.
It has the Go2 label, since for Go1.x the language is more or less done.
Accompanying this issue is [a general generics p…
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Hello!
First of all, fantastic product! Great tool to easily see the relational algebra equivalent of SQL code.
The only downsides I noticed were:
1. It doesn't seem to understand the `IN` or…
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https://github.com/sympy/sympy/issues/9479 suggests it's possible to solve multivariable inequalities in diofant, however I get `ValueError: Only expressions or equalities supported, got x + y > 1` wh…