pev2-cli
Run the PostgreSQL Explain Visualizer 2 (pev2) from the command line. (by derhuerst)
pev2
Postgres Explain Visualizer 2 (by dalibo)
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pev2-cli | pev2 | |
---|---|---|
1 | 40 | |
21 | 2,388 | |
- | 3.1% | |
4.8 | 7.9 | |
about 2 months ago | about 1 month ago | |
JavaScript | TypeScript | |
ISC License | PostgreSQL License |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
pev2-cli
Posts with mentions or reviews of pev2-cli.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-02-08.
pev2
Posts with mentions or reviews of pev2.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-03-14.
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Retrieving the latest row per group from PostgreSQL
This runs in about 250ms. Let's have a look at the explain plan to understand it better. To visualise it, I am using the excellent visualisation tool from Dalibo.
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Pg_hint_plan: Force PostgreSQL to execute query plans how you want
The PEV2 is open source and give you a good visualization. I never used this pgmustard to compare.
https://explain.dalibo.com/
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Efficient Database Queries in Rails: A Practical Approach
Visualize Your Plan: Visit explain.dalibo.com and paste the generated plan text and query. Then, hit Submit. The tool will generate a visualization of your query plan. Here's an example of the visualization for the fifth attempt version of the query from this post. It shows the different types of scans that were used and how the data gets combined. The duration of each operation is also shown:
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What's new in the Postgres 16 query planner (a.k.a. optimizer)
You can download the whole analyzer as a simple html file and use it this way. No need to obfuscate or sanitize anything at all.
https://github.com/dalibo/pev2
- Visualizing and understanding PostgreSQL EXPLAIN plans made easy
- Don't use DISTINCT as a "join-fixer"
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When should you use the IN instead of the OR operator in Postgres queries?
You might be interested in sites like https://explain.dalibo.com/ which make the output a bit nicer to read. I use these quite often to quickly identify bottlenecks.
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200 Web-Based, Must-Try Web Design and Development Tools
PostgreSQL Query Plan Analyzer and Visualizer
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Do you use pgAdmin? Why?
I didn’t know about pev2, interesting, checking it now. Did you integrate the component yourself or are you using this hosted page by them: https://explain.dalibo.com/?
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Tuning DB
IMO it‘s important to get started with indexing. Grab your most frequently used queries and run an EXPLAIN ANALYZE to identify the problems. This tool might help you to understand your execution plans. Once you identified your problems, you can build indexes and check again. Then you should regularly check if your indexes are used.