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24 lines
543 B
Python
24 lines
543 B
Python
"""Add a second QEMU CD-ROM image.
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Revision ID: a6c8e1b2d490
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Revises: f7d3a9c2e5b1
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"""
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import sqlalchemy as sa
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from alembic import op
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revision = "a6c8e1b2d490"
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down_revision = "f7d3a9c2e5b1"
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branch_labels = None
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depends_on = None
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def upgrade():
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existing = {column["name"] for column in sa.inspect(op.get_bind()).get_columns("qemu_templates")}
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if "cdrom2_image" not in existing:
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op.add_column("qemu_templates", sa.Column("cdrom2_image", sa.String()))
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def downgrade():
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op.drop_column("qemu_templates", "cdrom2_image")
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