Warning
This document is for an old release of Galaxy. You can alternatively view this page in the latest release if it exists or view the top of the latest release's documentation.
Source code for galaxy.model.migrate.versions.0081_add_tool_version_to_hda_ldda
"""
Migration script to add a 'tool_version' column to the hda/ldda tables.
"""
import logging
from sqlalchemy import Column, MetaData, Table, TEXT
log = logging.getLogger(__name__)
metadata = MetaData()
[docs]def upgrade(migrate_engine):
metadata.bind = migrate_engine
print(__doc__)
metadata.reflect()
try:
hda_table = Table("history_dataset_association", metadata, autoload=True)
c = Column("tool_version", TEXT)
c.create(hda_table)
assert c is hda_table.c.tool_version
ldda_table = Table("library_dataset_dataset_association", metadata, autoload=True)
c = Column("tool_version", TEXT)
c.create(ldda_table)
assert c is ldda_table.c.tool_version
except Exception:
log.exception("Adding the tool_version column to the hda/ldda tables failed.")
[docs]def downgrade(migrate_engine):
metadata.bind = migrate_engine
metadata.reflect()
try:
hda_table = Table("history_dataset_association", metadata, autoload=True)
hda_table.c.tool_version.drop()
ldda_table = Table("library_dataset_dataset_association", metadata, autoload=True)
ldda_table.c.tool_version.drop()
except Exception:
log.exception("Dropping the tool_version column from hda/ldda table failed.")