[2] | 1 | """ |
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| 2 | Migration script to add dbkey column for visualization. |
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| 3 | """ |
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| 4 | |
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| 5 | from sqlalchemy import * |
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| 6 | from sqlalchemy.orm import * |
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| 7 | from migrate import * |
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| 8 | from migrate.changeset import * |
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| 9 | from galaxy.util.json import from_json_string |
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| 10 | |
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| 11 | import logging |
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| 12 | log = logging.getLogger( __name__ ) |
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| 13 | |
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| 14 | metadata = MetaData( migrate_engine ) |
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| 15 | db_session = scoped_session( sessionmaker( bind=migrate_engine, autoflush=False, autocommit=True ) ) |
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| 16 | |
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| 17 | def upgrade(): |
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| 18 | |
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| 19 | print __doc__ |
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| 20 | metadata.reflect() |
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| 21 | |
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| 22 | Visualization_table = Table( "visualization", metadata, autoload=True ) |
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| 23 | Visualization_revision_table = Table( "visualization_revision", metadata, autoload=True ) |
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| 24 | |
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| 25 | # Create dbkey columns. |
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| 26 | x = Column( "dbkey", TEXT, index=True ) |
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| 27 | y = Column( "dbkey", TEXT, index=True ) |
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| 28 | x.create( Visualization_table ) |
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| 29 | y.create( Visualization_revision_table ) |
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| 30 | assert x is Visualization_table.c.dbkey |
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| 31 | assert y is Visualization_revision_table.c.dbkey |
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| 32 | |
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| 33 | try: |
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| 34 | i = Index( "ix_visualization_dbkey", Visualization_table.c.dbkey ) |
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| 35 | i.create() |
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| 36 | except: |
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| 37 | pass |
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| 38 | |
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| 39 | try: |
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| 40 | i = Index( "ix_visualization_revision_dbkey", Visualization_revision_table.c.dbkey ) |
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| 41 | i.create() |
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| 42 | except: |
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| 43 | pass |
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| 44 | |
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| 45 | all_viz = db_session.execute( "SELECT visualization.id as viz_id, visualization_revision.id as viz_rev_id, visualization_revision.config FROM visualization_revision \ |
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| 46 | LEFT JOIN visualization ON visualization.id=visualization_revision.visualization_id" ) |
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| 47 | for viz in all_viz: |
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| 48 | viz_id = viz['viz_id'] |
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| 49 | viz_rev_id = viz['viz_rev_id'] |
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| 50 | if viz[Visualization_revision_table.c.config]: |
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| 51 | dbkey = from_json_string(viz[Visualization_revision_table.c.config]).get('dbkey', "").replace("'", "\\'") |
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| 52 | db_session.execute("UPDATE visualization_revision SET dbkey='%s' WHERE id=%s" % (dbkey, viz_rev_id)) |
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| 53 | db_session.execute("UPDATE visualization SET dbkey='%s' WHERE id=%s" % (dbkey, viz_id)) |
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| 54 | |
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| 55 | def downgrade(): |
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| 56 | metadata.reflect() |
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| 57 | |
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| 58 | Visualization_table = Table( "visualization", metadata, autoload=True ) |
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| 59 | Visualization_revision_table = Table( "visualization_revision", metadata, autoload=True ) |
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| 60 | |
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| 61 | Visualization_table.c.dbkey.drop() |
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| 62 | Visualization_revision_table.c.dbkey.drop() |
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