d9530a529b3f_add_timezone_awareness_for_datetime.py 文件源码

def downgrade():
    connection = op.get_bind()

    if connection.engine.dialect.name != "sqlite":
        # user/models.py
        op.alter_column('users', 'date_joined', type_=sa.DateTime(), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('users', 'lastseen', type_=sa.DateTime(), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('users', 'birthday', type_=sa.DateTime(), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('users', 'last_failed_login', type_=sa.DateTime(), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)

        # message/models.py
        op.alter_column('conversations', 'date_created', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('messages', 'date_created', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)

        # forum/models.py
        op.alter_column('topicsread', 'last_read', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('forumsread', 'last_read', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('forumsread', 'cleared', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('reports', 'reported', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('reports', 'zapped', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('posts', 'date_created', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('posts', 'date_modified', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('topics', 'date_created', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('topics', 'last_updated', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)
        op.alter_column('forums', 'last_post_created', type_=sa.DateTime(timezone=False), existing_type=flaskbb.utils.database.UTCDateTime(timezone=True), existing_nullable=True)