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Source code for galaxy.model.migrate.versions.0075_add_subindex_column_to_run_table

Migration script to add a 'subindex' column to the run table.

import logging

from sqlalchemy import Column, MetaData, Table

from galaxy.model.custom_types import TrimmedString

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

[docs]def upgrade(migrate_engine): metadata.bind = migrate_engine print(__doc__) metadata.reflect() try: Run_table = Table("run", metadata, autoload=True) c = Column("subindex", TrimmedString(255), index=True) c.create(Run_table, index_name="ix_run_subindex") assert c is Run_table.c.subindex except Exception: log.exception("Adding the subindex column to the run table failed.")
[docs]def downgrade(migrate_engine): metadata.bind = migrate_engine metadata.reflect() try: Run_table = Table("run", metadata, autoload=True) Run_table.c.subindex.drop() except Exception: log.exception("Dropping the subindex column from run table failed.")