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Source code for galaxy.model.migrate.versions.0063_sequencer_table

Migration script to create a new 'sequencer' table

import datetime
import logging

from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, MetaData, Table, TEXT

from galaxy.model.custom_types import TrimmedString

now = datetime.datetime.utcnow
log = logging.getLogger(__name__)
metadata = MetaData()

# Table to add
Sequencer_table = Table('sequencer', metadata,
                        Column("id", Integer, primary_key=True),
                        Column("create_time", DateTime, default=now),
                        Column("update_time", DateTime, default=now, onupdate=now),
                        Column("name", TrimmedString(255), nullable=False),
                        Column("description", TEXT),
                        Column("sequencer_type_id", TrimmedString(255), nullable=False),
                        Column("version", TrimmedString(255)),
                        Column("form_definition_id", Integer, ForeignKey("form_definition.id"), index=True),
                        Column("form_values_id", Integer, ForeignKey("form_values.id"), index=True),
                        Column("deleted", Boolean, index=True, default=False))

[docs]def upgrade(migrate_engine): metadata.bind = migrate_engine print(__doc__) metadata.reflect() # create the sequencer table try: Sequencer_table.create() except Exception: log.exception("Creating 'sequencer' table failed.")
[docs]def downgrade(migrate_engine): metadata.bind = migrate_engine metadata.reflect() # delete sequencer table try: Sequencer_table = Table("sequencer", metadata, autoload=True) Sequencer_table.drop() except Exception: log.exception("Deleting 'sequencer' table failed.")