Based on the information provided, it seems you’re looking for details on pgdiff, a tool designed to compare the PostgreSQL schema between two databases and generate SQL statements to make their schemas match. Here’s a summary:
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Tool Description:
pgdiffis a tool that facilitates comparing the structure (schema) of two PostgreSQL databases. It outputs SQL statements that can be manually applied to the second database to align its schema with the first. -
Usage: The tool is particularly useful for database migration scenarios, ensuring that a target database matches a known schema after updates or changes.
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Automation: A script named
pgdiff.shis provided to automate the process of usingpgdiff. This script likely automates the execution ofpgdiffand handles the output SQL statements. -
MIT License:
pgdiffis released under the MIT License, which is a permissive open-source license that allows for free use, modification, and distribution. -
GitHub Repository: The tool is hosted on GitHub by the user
joncrlsnunder the repositorypgdiff. This repository likely contains the source code, documentation, and thepgdiff.shscript. -
Features:
- Schema Comparison: Automatically identifies differences between two PostgreSQL schemas.
- SQL Generation: Produces SQL statements required to adjust the second database’s schema to match the first.
- Transparency: The tool operates transparently, ensuring clear and understandable SQL output.
If you need to use pgdiff, you can download it from the GitHub repository, clone it, or use it through the provided pgdiff.sh script if it’s intended for that purpose. Ensure to check the repository for the latest version and any additional documentation or scripts that might be included.
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