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Source code for galaxy.model.migrate.versions.0133_add_dependency_column_to_job
"""
Add dependencies column to jobs table
"""
import logging
from sqlalchemy import Column, MetaData, Table
from galaxy.model.custom_types import JSONType
log = logging.getLogger(__name__)
jobs_dependencies_column = Column("dependencies", JSONType, nullable=True)
[docs]def upgrade(migrate_engine):
print(__doc__)
metadata = MetaData()
metadata.bind = migrate_engine
metadata.reflect()
# Add the dependencies column to the job table
try:
jobs_table = Table("job", metadata, autoload=True)
jobs_dependencies_column.create(jobs_table)
assert jobs_dependencies_column is jobs_table.c.dependencies
except Exception:
log.exception("Adding column 'dependencies' to job table failed.")
[docs]def downgrade(migrate_engine):
metadata = MetaData()
metadata.bind = migrate_engine
metadata.reflect()
# Drop the job table's dependencies column.
try:
jobs_table = Table("job", metadata, autoload=True)
jobs_dependencies = jobs_table.c.dependencies
jobs_dependencies.drop()
except Exception:
log.exception("Dropping 'dependencies' column from job table failed.")