https://github.com/jackc/writable-cte-examples

Examples of Writable Common Table Expressions in PostgreSQL
https://github.com/jackc/writable-cte-examples

Last synced: 9 months ago
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Examples of Writable Common Table Expressions in PostgreSQL

• Host: GitHub
• URL: https://github.com/jackc/writable-cte-examples
• Owner: jackc
• Archived: true
• Created: 2013-08-12T20:06:13.000Z (about 12 years ago)
• Default Branch: master
• Last Pushed: 2013-08-12T20:09:31.000Z (about 12 years ago)
• Last Synced: 2025-02-11T11:42:33.724Z (9 months ago)
• Language: Ruby
• Size: 102 KB
• Stars: 9
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Setup

From the writable-cte-examples directory:

    bundle

Assuming you have a local PostgreSQL install run the following:

    createdb writable_cte_bench

    psql writable_cte_bench < structure.sql

If your PostgreSQL server is not on your local machine you will also need to adjust the connection settings in writable_cte_bench.rb

# Running Benchmarks

    bundle exec ruby writable_cte_bench.rb

    bundle exec time ruby merge_naive.rb

    bundle exec time ruby merge_sql.rb