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### Is your feature request related to a problem? Please describe.
I noticed that the plans generated often evaluate to very idiosyncratic queries. Hence, I am worried about the actual coverage. I be…
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**Describe the problem**
At some point since CockroachDB v2.x, it has become impossible to use _uncorrelated_ subqueries in simple statements.
For example, in CockroachDB v2.1:
```
root@127.0.0.…
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This is my first time to use seq2seq,and this problem confused me about one week.
tensorflow 1.8
python 2.7
I don't know how to solve this problem.
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## 1. Background and Problems:
### 1.1 Postgres Extended Query Protocol
Compared to Postgres Simple Query Protocol, this extended one has a major change to support statement[1] caching, which is…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
A constant array would be useful for improving performance, see https://github.com/apache…
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It seems that the bottleneck of SQL part is VDBE(Virtual DataBase Engine), which is an inheritance of SQLite. Simple profiling shows that ~98% of time takes execution of VDBEexec(), i.e. main part of …
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Jira Link: [DB-10000](https://yugabyte.atlassian.net/browse/DB-10000)
### Description
A mix of 2 different issues were observed intermittently when using TAQO framework for performance testing using…
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### Problem description
I have reading about Ponder recently, and about people's interest in querying a database / data warehouse using a Python-based library instead of SQL.
The reason for prefer…
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```
What steps will reproduce the problem?
In main branch, the following Q1 and Q2 throws the exception, "The subtree does
not have any data source. [AlgebricksException]"
//--------- DDL
drop datav…
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### Search before asking
- [X] I have searched the YOLOv8 [issues](https://github.com/ultralytics/ultralytics/issues) and [discussions](https://github.com/ultralytics/ultralytics/discussions) and fou…