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annotate sat/memory/migration/README @ 3583:16ade4ad63f3 sqlalchemy

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core (memory/sqla_mapping): fix some technical debt: a first Alembic revision file is joined to migrate existing databases to new mapping. This patch: - set `nullable=False` in various places - drop legacy `message_types` table, and use `Enum` instead - use naming convention, and get rid of anonymous constraint (this is the main reason why the revision file is so long)
author Goffi <goffi@goffi.org>
date Sun, 27 Jun 2021 00:15:40 +0200
parents 71516731d0aa
children
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3582
71516731d0aa core (memory/sqla): database migration using Alembic:
Goffi <goffi@goffi.org>
parents:
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1 This directory and subdirectories contains Alembic migration scripts.
71516731d0aa core (memory/sqla): database migration using Alembic:
Goffi <goffi@goffi.org>
parents:
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2
71516731d0aa core (memory/sqla): database migration using Alembic:
Goffi <goffi@goffi.org>
parents:
diff changeset
3 Please check Libervia documentation for details.