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I've been trying to see the simulation of this application for the past 4 days. The build is successful, but when I use the launch command "roslaunch snp_prbt_bringup application_bringup.launch", I do…
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I tested Q19a query of JOB benchmark in the latest PG17beta1 version. I found the following problems which indicate that hints cannot totally force the decisions of optimizer and optimizer will not fo…
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Continuation of https://github.com/crate/crate/issues/11757
Basic `WITH` got implemented in https://github.com/crate/crate/pull/12540
We should extend it with support for the `RECURSIVE` clause …
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基本、PG-Stromは大量のデータから少数のレコードを検索する、あるいはGROUP BYで集約するワークロードが中心。
大量の行を入力して、大量の行を出力するのは苦手。
⇒なぜなら、書き込み側でCPU・I/Oボトルネックが発生するため。
では、GpuScan / GpuJoin の結果を、そのままGDSの書き込みモードでストレージに書き出せばどうか。
空テーブルへの追記ONLYのパタ…
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**Is your feature request related to a problem?**
### Problem statements
A query with a LIMIT clause, such as SELECT * FROM cloudtrail LIMIT 10, takes 1.5 minutes to execute when querying a CloudTra…
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### Checks
- [X] I have checked that this issue has not already been reported.
- [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars.
### Reprodu…
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- EdgeDB Version: 4.8
- EdgeDB CLI Version: 5.3.0
- OS Version:
Steps to Reproduce:
**1. Normal query using index is fast,**
```
edgedb> analyze
..................... select AuditLog {id}…
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IFOPT is a modern, light-weight, [Eigen](http://eigen.tuxfamily.org/)-based C++ interface to Nonlinear Programming solver.
```sudo apt-get install -y ros-foxy-ifopt```
### Source repo:
https:/…
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When we create Cloudberry cluster in single node mode, partition selector is disabled.
We want to enable it so we could get following plan:
```
create table lprt_a (a int not null);
-- Insert some va…
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# Current state of affairs
So, after some perusing I've found some problems and areas for improvement:
The problems…