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django-pg-zero-downtime-migrations Changelog

0.18

  • split CI into smaller jobs

0.17

  • added django 5.1 support
  • added python 3.13 support
  • added postgres 17 support
  • marked postgres 12 support as deprecated
  • marked postgres 13 support as deprecated
  • dropped django 3.2 support
  • dropped django 4.0 support
  • dropped django 4.1 support
  • dropped python 3.6 support
  • dropped python 3.7 support
  • dropped migrate_isnotnull_check_constraints command

0.16

  • changed ADD COLUMN DEFAULT NULL to a safe operation for code defaults
  • changed ADD COLUMN DEFAULT NOT NULL to a safe operation for db_default in django 5.0+
  • added the ZERO_DOWNTIME_MIGRATIONS_KEEP_DEFAULT setting and changed ADD COLUMN DEFAULT NOT NULL with this setting to a safe operation for django < 5.0
  • added the ZERO_DOWNTIME_MIGRATIONS_EXPLICIT_CONSTRAINTS_DROP setting and enabled dropping constraints and indexes before dropping a column or table
  • fixed sqlmigrate in idempotent mode
  • fixed unique constraint creation with the include parameter
  • fixed idempotent mode tests
  • updated unsafe migration links to the documentation
  • updated patched code to the latest django version
  • updated test image to ubuntu 24.04
  • improved README

0.15

  • added idempotent mode and the ZERO_DOWNTIME_MIGRATIONS_IDEMPOTENT_SQL setting
  • fixed django 3.2 degradation due to the missing skip_default_on_alter method
  • improved README
  • updated the release github action

0.14

  • fixed deferred sql errors
  • added django 5.0 support
  • added python 3.12 support
  • added postgres 16 support
  • dropped postgres 11 support
  • removed the ZERO_DOWNTIME_MIGRATIONS_USE_NOT_NULL setting
  • marked the migrate_isnotnull_check_constraints command as deprecated

0.13

  • added django 4.2 support
  • marked django 3.2 support as deprecated
  • marked django 4.0 support as deprecated
  • marked django 4.1 support as deprecated
  • marked postgres 11 support as deprecated
  • dropped postgres 10 support
  • updated the test docker image to ubuntu 22.04

0.12

  • added support for serial and integer, bigserial and bigint, as well as smallserial and smallint, implementing the same type changes as safe migrations
  • fixed the AutoField type change and concurrent insertion issue for django < 4.1
  • added sequence dropping and creation timeouts, as they can be used with the CASCADE keyword and may affect other tables
  • added django 4.1 support
  • added python 3.11 support
  • added postgres 15 support
  • marked postgres 10 support as deprecated
  • dropped django 2.2 support
  • dropped django 3.0 support
  • dropped django 3.1 support
  • dropped postgres 9.5 support
  • dropped postgres 9.6 support
  • added github actions checks for pull requests

0.11

  • fixed an issue where renaming a model while keeping db_table raised an ALTER_TABLE_RENAME error (#26)
  • added django 3.2 support
  • added django 4.0 support
  • added python 3.9 support
  • added python 3.10 support
  • added postgres 14 support
  • marked django 2.2 support as deprecated
  • marked django 3.0 support as deprecated
  • marked django 3.1 support as deprecated
  • marked python 3.6 support as deprecated
  • marked python 3.7 support as deprecated
  • marked postgres 9.5 support as deprecated
  • marked postgres 9.6 support as deprecated
  • switched to github actions for testing

0.10

  • added django 3.1 support
  • added postgres 13 support
  • dropped python 3.5 support
  • updated the test environment

0.9

  • fixed the decimal-to-float migration error
  • fixed tests for django 3.0.2 and later

0.8

  • added django 3.0 support
  • added support for concurrent index creation and removal operations
  • added support for exclude constraints as an unsafe operation
  • dropped postgres 9.4 support
  • dropped django 2.0 support
  • dropped django 2.1 support
  • removed the deprecated django_zero_downtime_migrations_postgres_backend module

0.7

  • added python 3.8 support
  • added support for postgres-specific indexes
  • improved test clarity
  • fixed regexp escaping warnings in the management command
  • fixed style checks
  • improved README
  • marked python 3.5 support as deprecated
  • marked postgres 9.4 support as deprecated
  • marked django 2.0 support as deprecated
  • marked django 2.1 support as deprecated

0.6

  • marked the ZERO_DOWNTIME_MIGRATIONS_USE_NOT_NULL option as deprecated for postgres 12+
  • added a management command for migrating from a CHECK IS NOT NULL constraint to a real NOT NULL constraint
  • added integration tests for postgres 12, postgres 11 (root), postgres 11 with compatible not null constraints, postgres 11 with standard not null constraints, as well as postgres 10, 9.6, 9.5, 9.4, and postgis databases
  • fixed bugs related to the deletion and creation of compatible check not null constraints via pg_attribute
  • minimized side effects with deferred sql execution between operations in one migration module
  • added safe NOT NULL constraint creation for postgres 12
  • added safe NOT NULL constraint creation for extra permissions for pg_catalog.pg_attribute when the ZERO_DOWNTIME_MIGRATIONS_USE_NOT_NULL=USE_PG_ATTRIBUTE_UPDATE_FOR_SUPERUSER option is enabled
  • marked AddField with the null=False parameter and the compatible CHECK IS NOT NULL constraint option as an unsafe operation, ignoring the ZERO_DOWNTIME_MIGRATIONS_USE_NOT_NULL value in this case
  • added versioning to the package
  • fixed pypi README image links
  • improved README

0.5

  • extracted zero-downtime-schema logic into a mixin to allow using it with other backends
  • moved the module from django_zero_downtime_migrations_postgres_backend to django_zero_downtime_migrations.backends.postgres
  • marked the django_zero_downtime_migrations_postgres_backend module as deprecated
  • added support for the postgis backend
  • improved README

0.4

  • changed the defaults for ZERO_DOWNTIME_MIGRATIONS_LOCK_TIMEOUT and ZERO_DOWNTIME_MIGRATIONS_STATEMENT_TIMEOUT from 0ms to None to match the default django behavior that respects postgres timeouts
  • updated the documentation with option defaults
  • updated the documentation with best practices for option usage
  • fixed the issue where adding a nullable field with a default did not raise an error or warning
  • added links to the documentation describing the issue and safe alternative usage for errors and warnings
  • updated the documentation with type casting workarounds

0.3

  • added django 2.2 support with the Meta.indexes and Meta.constraints attributes
  • fixed python deprecation warnings for regular expressions
  • removed the unused TimeoutException
  • improved README and PYPI description

0.2

  • added an option to disable statement_timeout for long operations, such as index creation and constraint validation, when statement_timeout is set globally

0.1.1

  • added long description content type

0.1

  • replaced default sql queries with safer alternatives
  • added options for statement_timeout and lock_timeout
  • added an option for NOT NULL constraint behavior
  • added an option for restricting unsafe operations