39 lines
1.7 KiB
Python
39 lines
1.7 KiB
Python
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"""Phase 2.1b: executor, duration mode and explicit preventive scope.
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All columns are nullable-safe/defaulted so existing installations keep their
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behaviour. The association table is additive and contains no copied files or
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business records.
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = "h3c4d5e6f7a8"
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down_revision = "g2b3c4d5e6f7"
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branch_labels = None
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depends_on = None
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def upgrade():
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for name in ("mowing_minutes", "edging_minutes", "hedge_minutes", "branch_removal_minutes"):
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op.add_column("zones", sa.Column(name, sa.Integer(), nullable=True))
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op.add_column("lot_tasks", sa.Column("duration_mode", sa.String(20), nullable=False, server_default="unit"))
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op.add_column("lot_tasks", sa.Column("executor_type", sa.String(30), nullable=False, server_default="undefined"))
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op.add_column("lot_tasks", sa.Column("scope_mode", sa.String(20), nullable=False, server_default="dynamic"))
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op.create_table(
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"lot_task_equipments",
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sa.Column("lot_task_id", sa.Integer(), nullable=False),
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sa.Column("equipment_id", sa.Integer(), nullable=False),
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sa.ForeignKeyConstraint(["lot_task_id"], ["lot_tasks.id"], ondelete="CASCADE"),
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sa.ForeignKeyConstraint(["equipment_id"], ["equipments.id"], ondelete="CASCADE"),
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sa.PrimaryKeyConstraint("lot_task_id", "equipment_id"),
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)
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def downgrade():
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for name in ("branch_removal_minutes", "hedge_minutes", "edging_minutes", "mowing_minutes"):
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op.drop_column("zones", name)
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op.drop_table("lot_task_equipments")
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op.drop_column("lot_tasks", "scope_mode")
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op.drop_column("lot_tasks", "executor_type")
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op.drop_column("lot_tasks", "duration_mode")
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