95 lines
3.2 KiB
Python
95 lines
3.2 KiB
Python
from sqlalchemy import *
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from migrate import *
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from heat.openstack.common import uuidutils
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def upgrade(migrate_engine):
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meta = MetaData(bind=migrate_engine)
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stack = Table('stack', meta, autoload=True)
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event = Table('event', meta, autoload=True)
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resource = Table('resource', meta, autoload=True)
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dialect = migrate_engine.url.get_dialect().name
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if not dialect.startswith('sqlite'):
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fkeys = list(event.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[event.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).drop()
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fkeys = list(resource.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[resource.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).drop()
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stack.c.id.alter(String(36), primary_key=True,
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default=uuidutils.generate_uuid)
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event.c.stack_id.alter(String(36), nullable=False)
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resource.c.stack_id.alter(String(36), nullable=False)
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fkeys = list(event.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[event.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).create()
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fkeys = list(resource.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[resource.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).create()
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def downgrade(migrate_engine):
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meta = MetaData()
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meta.bind = migrate_engine
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dialect = migrate_engine.url.get_dialect().name
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if dialect.startswith('sqlite'):
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return
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stack = Table('stack', meta, autoload=True)
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event = Table('event', meta, autoload=True)
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resource = Table('resource', meta, autoload=True)
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fkeys = list(event.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[event.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).drop()
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fkeys = list(resource.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[resource.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).drop()
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stack.c.id.alter(Integer, primary_key=True,
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default=utils.generate_uuid)
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event.c.stack_id.alter(Integer, nullable=False)
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resource.c.stack_id.alter(Integer, nullable=False)
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fkeys = list(event.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[event.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).create()
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fkeys = list(resource.c.stack_id.foreign_keys)
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if fkeys:
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fkey_name = fkeys[0].constraint.name
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ForeignKeyConstraint(columns=[resource.c.stack_id],
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refcolumns=[stack.c.id],
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name=fkey_name).create()
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