Redshift database backend for Django
Project description
This product is tested with:
python-2.7.x
django-1.7.6, 1.7.10, 1.8.8
Differences from postgres_psycopg2 backend
Type mapping:
‘integer identity(1, 1)’ for AutoField
‘timestamp’ for DateTimeField
‘varchar(max)’ for TextField
Multiply 3 to VARCHAR length to support utf-8 string
Stop using:
RETURNING.
SELECT FOR UPDATE
SET TIME ZONE
INDEX
DEFERRABLE INITIALLY DEFERRED
CONSTRAINT
DROP DEFAULT
To support migration:
To add column to existent table on Redshift, column must be nullable
To support modify column, add new column -> data migration -> drop old column -> rename
Please note that the migration support for redshift is not perfect yet.
LICENSE
Apache Software License
CHANGES
0.3
#3: more compat with Redshift (AutoField, DateTimeField, Index). Thanks to Maxime Vdb.
More compat with redshift: add TextField
More compat with redshift: not use DEFERRABLE, CONSTRAINT, DROP DEFAULT
More compat with redshift: support modify column
0.2.1
“SET TIME_ZONE” warning is changed as debug log for ‘django.db.backend’ logger.
0.2
Disable “SET TIME_ZONE” SQL execution even if settings.TIME_ZONE is specified.
0.1.2
Support Django-1.8
0.1.1
Disable “SELECT FOR UPDATE” SQL execution.
0.1
Support Django-1.7
Support “INSERT INTO” SQL execution without “RETURNING” clause.
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