x/sqlalchemy-migrate
Code Issues Proposed changes

Fix issue 124: ignore sqlite_sequence in comparing db to model

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This commit is contained in:
Dustin J. Mitchell 2011-07-10 21:21:43 -05:00
parent a1968e7f7d
commit e7195ffbf4
1 changed files with 10 additions and 2 deletions
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12
migrate/versioning/schemadiff.py
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@ -17,8 +17,16 @@ def getDiffOfModelAgainstDatabase(metadata, engine, excludeTables=None):
:return: object which will evaluate to :keyword:`True` if there \
are differences else :keyword:`False`.
"""
return SchemaDiff(metadata,
sqlalchemy.MetaData(engine, reflect=True),
db_metadata = sqlalchemy.MetaData(engine, reflect=True)
# sqlite will include a dynamically generated 'sqlite_sequence' table if
# there are autoincrement sequences in the database; this should not be
# compared.
if engine.dialect.name == 'sqlite':
if 'sqlite_sequence' in db_metadata.tables:
db_metadata.remove(db_metadata.tables['sqlite_sequence'])
return SchemaDiff(metadata, db_metadata,
labelA='model',
labelB='database',
excludeTables=excludeTables)