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Source code for galaxy.model.migrate.versions.0079_input_library_to_job_table

"""
Migration script to add the job_to_input_library_dataset table.
"""
from __future__ import print_function

import logging

from sqlalchemy import Column, ForeignKey, Integer, MetaData, String, Table

log = logging.getLogger(__name__)

metadata = MetaData()

JobToInputLibraryDatasetAssociation_table = Table("job_to_input_library_dataset", metadata,
                                                  Column("id", Integer, primary_key=True),
                                                  Column("job_id", Integer, ForeignKey("job.id"), index=True),
                                                  Column("ldda_id", Integer, ForeignKey("library_dataset_dataset_association.id"), index=True),
                                                  Column("name", String(255)))


def upgrade(migrate_engine):
    metadata.bind = migrate_engine
    print(__doc__)
    metadata.reflect()

    # Create the job_to_input_library_dataset table
    try:
        JobToInputLibraryDatasetAssociation_table.create()
    except Exception:
        log.exception("Creating job_to_input_library_dataset table failed.")


def downgrade(migrate_engine):
    metadata.bind = migrate_engine
    metadata.reflect()

    # Drop the job_to_input_library_dataset table
    try:
        JobToInputLibraryDatasetAssociation_table.drop()
    except Exception:
        log.exception("Dropping job_to_input_library_dataset table failed.")