34 lines
984 B
Python
34 lines
984 B
Python
"""Added project updated column
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Revision ID: 38104b4c1b84
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Revises: 56e48a4a064a
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Create Date: 2014-05-31 06:52:12.452205
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"""
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# revision identifiers, used by Alembic.
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revision = '38104b4c1b84'
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down_revision = '56e48a4a064a'
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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op.add_column('project', sa.Column('updated', sa.DateTime))
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conn = op.get_bind()
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res = conn.execute('select "key", name from project')
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for (key, name) in res.fetchall():
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q = sa.text("select max(updated) from change where project_key=:key")
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res = conn.execute(q, key=key)
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for (updated,) in res.fetchall():
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q = sa.text('update project set updated=:updated where "key"=:key')
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conn.execute(q, key=key, updated=updated)
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op.create_index(op.f('ix_project_updated'), 'project', ['updated'], unique=False)
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def downgrade():
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op.drop_index(op.f('ix_project_updated'), table_name='project')
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op.drop_column('project', 'updated')
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