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SQLAlchemy-based cross-database migration tool

Project description

Cross-database migration tool based on SQLAlchemy


  • 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


pip install sqlacrossover[MySQL,PostgreSQL]


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


  • 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
  • Write tests, configure


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.

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