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Source code for tool_shed.webapp.model.migrate.versions.0020_add_repository_type_column

"""Migration script to add the type column to the repository table."""

import logging
import sys

from sqlalchemy import (
    Column,
    MetaData,
    Table,
)

# Need our custom types, but don't import anything else from model
from galaxy.model.custom_types import TrimmedString

log = logging.getLogger(__name__)
log.setLevel(logging.DEBUG)
handler = logging.StreamHandler(sys.stdout)
format = "%(name)s %(levelname)s %(asctime)s %(message)s"
formatter = logging.Formatter(format)
handler.setFormatter(formatter)
log.addHandler(handler)

metadata = MetaData()


[docs]def upgrade(migrate_engine): print(__doc__) metadata.bind = migrate_engine metadata.reflect() Repository_table = Table("repository", metadata, autoload=True) c = Column("type", TrimmedString(255), index=True) try: # Create c.create(Repository_table, index_name="ix_repository_type") assert c is Repository_table.c.type except Exception: log.exception("Adding type column to the repository table failed.") # Update the type column to have the default unrestricted value. cmd = "UPDATE repository SET type = 'unrestricted'" migrate_engine.execute(cmd)
[docs]def downgrade(migrate_engine): metadata.bind = migrate_engine metadata.reflect() # Drop type column from repository table. Repository_table = Table("repository", metadata, autoload=True) try: Repository_table.c.type.drop() except Exception: log.exception("Dropping column type from the repository table failed.")