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Source code for galaxy.model.migrate.versions.0039_add_synopsis_column_to_library_table

"""
Migration script to add a synopsis column to the library table.
"""

import logging

from sqlalchemy import (
    Column,
    MetaData,
    Table,
    TEXT
)

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


[docs]def upgrade(migrate_engine): print(__doc__) metadata.bind = migrate_engine metadata.reflect() try: Library_table = Table("library", metadata, autoload=True) c = Column("synopsis", TEXT) c.create(Library_table) assert c is Library_table.c.synopsis except Exception: log.exception("Adding column 'synopsis' to 'library' table failed.")
[docs]def downgrade(migrate_engine): metadata.bind = migrate_engine metadata.reflect() try: Library_table = Table("library", metadata, autoload=True) Library_table.c.synopsis.drop() except Exception: log.exception("Dropping column 'synopsis' from 'library' table failed")