Files @ fc63a1d93803
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Location: kallithea/rhodecode/lib/dbmigrate/migrate/changeset/databases/postgres.py - annotation

Marcin Kuzminski
Switched order of actions when doing repo rescan.

doing invalidation after repository scan is not optimal.
In case of big repository we first create an instance then invalidate
cache that we don't actually need. Reversing this order prevents that
"""
   `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