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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.
"""

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)