https://github.com/Preetam/explain-analyzer

MySQL JSON Explain Analyzer
https://github.com/Preetam/explain-analyzer

Last synced: about 1 month ago
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MySQL JSON Explain Analyzer

• Host: GitHub
• URL: https://github.com/Preetam/explain-analyzer
• Owner: Preetam
• License: bsd-2-clause
• Created: 2017-10-20T02:17:33.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2023-03-06T06:42:51.000Z (almost 2 years ago)
• Last Synced: 2024-10-27T11:16:23.083Z (about 2 months ago)
• Language: JavaScript
• Homepage: https://preetam.github.io/explain-analyzer/
• Size: 482 KB
• Stars: 92
• Watchers: 5
• Forks: 13
• Open Issues: 11
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• favorite-link - MySQL JSON Explain Analyzer。
• awesome-mysql - MySQL Explain Analyzer - A web-based analyzer of `EXPLAIN FORMAT=JSON` output, providing comments, scalability analysis and permalinks for saved samples. (Analysis)

README

        
# explain-analyzer [![CircleCI](https://circleci.com/gh/Preetam/explain-analyzer.svg?style=svg)](https://circleci.com/gh/Preetam/explain-analyzer)

This is a web-based MySQL explain analyzer.

You can use it here: https://preetam.github.io/explain-analyzer/#!/explain/

Try it with

```json

{

  "query_block": {

    "select_id": 1,

    "cost_info": { "query_cost": "0.45" },

    "table": {

      "table_name": "test",

      "access_type": "ALL",

      "rows_examined_per_scan": 2,

      "rows_produced_per_join": 2,

      "filtered": "100.00",

      "cost_info": {

        "read_cost": "0.25",

        "eval_cost": "0.20",

        "prefix_cost": "0.45",

        "data_read_per_join": "16"

      },

      "used_columns": ["id"]

    }

  }

}

```

### Features

- Table representation of MySQL JSON explain output

- Comments about explain interpretation

- Experimental scalability analysis

- Explain saving and permalinks

### Screenshot

![screenshot](https://user-images.githubusercontent.com/379404/35567762-2fd826b2-0594-11e8-8c8b-cb8951924459.png)

### License

BSD 2-Clause (see [LICENSE](LICENSE))