https://github.com/ei-grad/sqlacrossover

SQLAlchemy-based cross-database migration tool
https://github.com/ei-grad/sqlacrossover

data-migration data-transfer mysql postgresql rdbms sqlalchemy

Last synced: 11 days ago
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SQLAlchemy-based cross-database migration tool

• Host: GitHub
• URL: https://github.com/ei-grad/sqlacrossover
• Owner: ei-grad
• License: apache-2.0
• Created: 2015-10-21T13:39:20.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2021-08-17T10:05:12.000Z (about 3 years ago)
• Last Synced: 2024-10-16T21:06:07.705Z (23 days ago)
• Topics: data-migration, data-transfer, mysql, postgresql, rdbms, sqlalchemy
• Language: Python
• Homepage:
• Size: 15.6 KB
• Stars: 17
• Watchers: 3
• Forks: 2
• Open Issues: 1
• Metadata Files:
  • Readme: README.rst
  • License: LICENSE

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README

        
sqlacrossover

=============

Cross-database migration tool based on SQLAlchemy

Features:

* Copy data and schema between SQLAlchemy-supported databases

* Table ordering - taking the foreign keys dependencies in consideration

* Data processing in batches

* Wrap the process in transaction to get consistent results

* Dump schema and data to SQL file

Installation

------------

.. code-block:: bash

    pip install sqlacrossover[MySQL,PostgreSQL]

Example

-------

.. code-block:: bash

    sqlacrossover 'mysql+pymysql:///sourcedatabase?charset=utf8' postgresql:///targetdatabase

TODO

----

* Write documentation

* Implement options:

  * ``--no-data``

  * ``--tables``

  * ``--exclude-tables``

  * ``--truncate-non-empty``

  * ``--skip-non-empty``

* Implement efficient driver-depenedent insert methods

  * PostgreSQL ``COPY FROM`` / ``COPY TO``

  * MySQL ``LOAD DATA LOCAL INFILE``

* Write tests, configure travis.ci

Contibuting

-----------

Pull requests implementing new features, adding tests, docs and fixing bugs are welcome.

Feel free to open an issue with any feedback or ideas, also.