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.0142_change_numeric_metric_precision

"""
Migration script to change the 'value' column of 'user_preference' table from numeric(22, 7) to numeric(26, 7)
"""

import logging

from sqlalchemy import MetaData, Numeric, Table

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


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

    try:
        t = Table("job_metric_numeric", metadata, autoload=True)
        t.c.metric_value.alter(type=Numeric(26, 7))
        t = Table("task_metric_numeric", metadata, autoload=True)
        t.c.metric_value.alter(type=Numeric(26, 7))
    except Exception:
        log.exception("Modifying numeric column failed")


def downgrade(migrate_engine):
    # truncating columns would require truncating data in those columns, so it's best not to downgrade them
    pass