[2] | 1 | """ |
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| 2 | This script fixes a problem introduced in 0015_tagging.py. MySQL has a name length |
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| 3 | limit and thus the index "ix_hda_ta_history_dataset_association_id" has to be |
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| 4 | manually created. |
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| 5 | """ |
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| 6 | |
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| 7 | from sqlalchemy import * |
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| 8 | from migrate import * |
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| 9 | |
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| 10 | import datetime |
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| 11 | now = datetime.datetime.utcnow |
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| 12 | |
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| 13 | # Need our custom types, but don't import anything else from model |
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| 14 | from galaxy.model.custom_types import * |
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| 15 | |
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| 16 | import logging |
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| 17 | log = logging.getLogger( __name__ ) |
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| 18 | |
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| 19 | metadata = MetaData( migrate_engine ) |
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| 20 | |
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| 21 | def display_migration_details(): |
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| 22 | print "" |
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| 23 | print "This script fixes a problem introduced in 0015_tagging.py. MySQL has a" |
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| 24 | print "name length limit and thus the index 'ix_hda_ta_history_dataset_association_id'" |
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| 25 | print "has to be manually created." |
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| 26 | |
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| 27 | HistoryDatasetAssociationTagAssociation_table = Table( "history_dataset_association_tag_association", metadata, |
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| 28 | Column( "history_dataset_association_id", Integer, ForeignKey( "history_dataset_association.id" ), index=True ), |
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| 29 | Column( "tag_id", Integer, ForeignKey( "tag.id" ), index=True ), |
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| 30 | Column( "user_tname", TrimmedString(255), index=True), |
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| 31 | Column( "value", TrimmedString(255), index=True), |
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| 32 | Column( "user_value", TrimmedString(255), index=True) ) |
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| 33 | |
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| 34 | def upgrade(): |
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| 35 | display_migration_details() |
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| 36 | metadata.reflect() |
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| 37 | i = Index( "ix_hda_ta_history_dataset_association_id", HistoryDatasetAssociationTagAssociation_table.c.history_dataset_association_id ) |
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| 38 | try: |
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| 39 | i.create() |
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| 40 | except Exception, e: |
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| 41 | print str(e) |
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| 42 | log.debug( "Adding index 'ix_hdata_history_dataset_association_id' to table 'history_dataset_association_tag_association' table failed: %s" % str( e ) ) |
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| 43 | |
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| 44 | def downgrade(): |
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| 45 | metadata.reflect() |
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| 46 | i = Index( "ix_hda_ta_history_dataset_association_id", HistoryDatasetAssociationTagAssociation_table.c.history_dataset_association_id ) |
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| 47 | try: |
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| 48 | i.drop() |
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| 49 | except Exception, e: |
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| 50 | print str(e) |
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| 51 | log.debug( "Removing index 'ix_hdata_history_dataset_association_id' to table 'history_dataset_association_tag_association' table failed: %s" % str( e ) ) |
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