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Source code for galaxy.model.migrate.versions.0053_item_ratings
"""
Migration script to create tables for rating histories, datasets, workflows, pages, and visualizations.
"""
from __future__ import print_function
import logging
from sqlalchemy import (
Column,
ForeignKey,
Integer,
MetaData,
Table
)
from galaxy.model.migrate.versions.util import (
add_index,
create_table,
drop_table
)
log = logging.getLogger(__name__)
metadata = MetaData()
# Rating tables.
HistoryRatingAssociation_table = Table("history_rating_association", metadata,
Column("id", Integer, primary_key=True),
Column("history_id", Integer, ForeignKey("history.id"), index=True),
Column("user_id", Integer, ForeignKey("galaxy_user.id"), index=True),
Column("rating", Integer, index=True))
HistoryDatasetAssociationRatingAssociation_table = Table("history_dataset_association_rating_association", metadata,
Column("id", Integer, primary_key=True),
Column("history_dataset_association_id", Integer, ForeignKey("history_dataset_association.id"), index=True),
Column("user_id", Integer, ForeignKey("galaxy_user.id"), index=True),
Column("rating", Integer, index=True))
StoredWorkflowRatingAssociation_table = Table("stored_workflow_rating_association", metadata,
Column("id", Integer, primary_key=True),
Column("stored_workflow_id", Integer, ForeignKey("stored_workflow.id"), index=True),
Column("user_id", Integer, ForeignKey("galaxy_user.id"), index=True),
Column("rating", Integer, index=True))
PageRatingAssociation_table = Table("page_rating_association", metadata,
Column("id", Integer, primary_key=True),
Column("page_id", Integer, ForeignKey("page.id"), index=True),
Column("user_id", Integer, ForeignKey("galaxy_user.id"), index=True),
Column("rating", Integer, index=True))
VisualizationRatingAssociation_table = Table("visualization_rating_association", metadata,
Column("id", Integer, primary_key=True),
Column("visualization_id", Integer, ForeignKey("visualization.id"), index=True),
Column("user_id", Integer, ForeignKey("galaxy_user.id"), index=True),
Column("rating", Integer, index=True))
[docs]def upgrade(migrate_engine):
print(__doc__)
metadata.bind = migrate_engine
metadata.reflect()
create_table(HistoryRatingAssociation_table)
# Create history_dataset_association_rating_association table.
try:
HistoryDatasetAssociationRatingAssociation_table.create()
except Exception as e:
# MySQL cannot handle long index names; when we see this error, create the index name manually.
if migrate_engine.name == 'mysql' and \
str(e).lower().find("identifier name 'ix_history_dataset_association_rating_association_history_dataset_association_id' is too long"):
add_index('ix_hda_rating_association_hda_id', HistoryDatasetAssociationRatingAssociation_table, 'history_dataset_association_id')
else:
log.exception("Creating history_dataset_association_rating_association table failed.")
create_table(StoredWorkflowRatingAssociation_table)
create_table(PageRatingAssociation_table)
create_table(VisualizationRatingAssociation_table)
[docs]def downgrade(migrate_engine):
metadata.bind = migrate_engine
metadata.reflect()
drop_table(VisualizationRatingAssociation_table)
drop_table(PageRatingAssociation_table)
drop_table(StoredWorkflowRatingAssociation_table)
drop_table(HistoryDatasetAssociationRatingAssociation_table)
drop_table(HistoryRatingAssociation_table)