kallithea Files · rhodecode/lib/dbmigrate/migrate/changeset/databases/postgres.py

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Marcin Kuzminski

Update changeset cache should use non-cache version of repo if given attribute is empty, it's easier to controll how changesets are udpated
The quick update logic in base controller get's cached version and updates, while any other call will use non-cached version

"""
   `PostgreSQL`_ database specific implementations of changeset classes.

   .. _`PostgreSQL`: http://www.postgresql.org/
"""
from rhodecode.lib.dbmigrate.migrate.changeset import ansisql


from sqlalchemy.databases import postgresql as sa_base
PGSchemaGenerator = sa_base.PGDDLCompiler


class PGColumnGenerator(PGSchemaGenerator, ansisql.ANSIColumnGenerator):
    """PostgreSQL column generator implementation."""
    pass


class PGColumnDropper(ansisql.ANSIColumnDropper):
    """PostgreSQL column dropper implementation."""
    pass


class PGSchemaChanger(ansisql.ANSISchemaChanger):
    """PostgreSQL schema changer implementation."""
    pass


class PGConstraintGenerator(ansisql.ANSIConstraintGenerator):
    """PostgreSQL constraint generator implementation."""
    pass


class PGConstraintDropper(ansisql.ANSIConstraintDropper):
    """PostgreSQL constaint dropper implementation."""
    pass


class PGDialect(ansisql.ANSIDialect):
    columngenerator = PGColumnGenerator
    columndropper = PGColumnDropper
    schemachanger = PGSchemaChanger
    constraintgenerator = PGConstraintGenerator
    constraintdropper = PGConstraintDropper