Source code for galaxy.model.migrate.versions.0017_library_item_indexes

"""
This script adds 3 indexes to table columns: library_folder.name,
library_dataset.name, library_dataset_dataset_association.name.
"""
from __future__ import print_function

import logging

from sqlalchemy import MetaData

from galaxy.model.migrate.versions.util import (
    add_index,
    drop_index
)

log = logging.getLogger(__name__)
metadata = MetaData()


[docs]def upgrade(migrate_engine): print(__doc__) metadata.bind = migrate_engine metadata.reflect() add_index('ix_library_folder_name', 'library_folder', 'name', metadata) add_index('ix_library_dataset_dataset_association_name', 'library_dataset_dataset_association', 'name', metadata) add_index('ix_library_dataset_name', 'library_dataset', 'name', metadata)
[docs]def downgrade(migrate_engine): metadata.bind = migrate_engine metadata.reflect() drop_index('ix_library_dataset_name', 'library_dataset', 'name', metadata) drop_index('ix_library_dataset_dataset_association_name', 'library_dataset_dataset_association', 'name', metadata) drop_index('ix_library_folder_name', 'library_folder', 'name', metadata)