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.0161_add_workflow_invocation_output_table

"""
Migration script to add a new workflow_invocation_output_parameter table to track output parameters.
"""

import logging

from sqlalchemy import Column, ForeignKey, Integer, MetaData, Table

from galaxy.model.custom_types import JSONType

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

workflow_invocation_output_parameter_table = Table(
    "workflow_invocation_output_value", metadata,
    Column("id", Integer, primary_key=True),
    Column("workflow_invocation_id", Integer, ForeignKey("workflow_invocation.id"), index=True),
    Column("workflow_step_id", Integer, ForeignKey("workflow_step.id")),
    Column("workflow_output_id", Integer, ForeignKey("workflow_output.id"), index=True),
    Column("value", JSONType),
)


def upgrade(migrate_engine):
    print(__doc__)
    metadata.bind = migrate_engine
    metadata.reflect()

    try:
        workflow_invocation_output_parameter_table.create()
    except Exception:
        log.exception("Creating workflow_invocation_output_parameter table failed")


def downgrade(migrate_engine):
    metadata.bind = migrate_engine
    metadata.reflect()

    try:
        workflow_invocation_output_parameter_table.drop()
    except Exception:
        log.exception("Dropping workflow_invocation_output_parameter table failed")