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Source code for galaxy.model.migrate.versions.0073_add_ldda_to_implicit_conversion_table
"""
Migration script to add 'ldda_parent_id' column to the implicitly_converted_dataset_association table.
"""
import logging
from sqlalchemy import (
Column,
ForeignKey,
Integer,
MetaData
)
from galaxy.model.migrate.versions.util import (
add_column,
drop_column
)
log = logging.getLogger(__name__)
metadata = MetaData()
[docs]def upgrade(migrate_engine):
print(__doc__)
metadata.bind = migrate_engine
metadata.reflect()
c = Column("ldda_parent_id", Integer, ForeignKey("library_dataset_dataset_association.id"), index=True, nullable=True)
add_column(c, 'implicitly_converted_dataset_association', metadata, index_name='ix_implicitly_converted_dataset_assoc_ldda_parent_id')
[docs]def downgrade(migrate_engine):
metadata.bind = migrate_engine
metadata.reflect()
drop_column('ldda_parent_id', 'implicitly_converted_dataset_association', metadata)