root / snf-pithos-backend / pithos / backends / lib / sqlalchemy / alembic / versions / 2a309a9a3438_fix_statistics_negat.py @ 29148653
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"""fix statistics negative population
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Revision ID: 2a309a9a3438
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Revises: 165ba3fbfe53
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Create Date: 2013-01-02 09:12:30.222261
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"""
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# revision identifiers, used by Alembic.
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revision = '2a309a9a3438'
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down_revision = '165ba3fbfe53'
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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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st = sa.sql.table( |
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'statistics',
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sa.sql.column('node', sa.Integer),
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sa.sql.column('population', sa.Integer)
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) |
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u = st.update().where(st.c.population < 0).values({'population': 0}) |
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op.execute(u) |
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def downgrade(): |
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pass
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