39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
"""Schaeffler standard materials — add schaeffler_code column and seed 35 materials
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Revision ID: 019
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Revises: 018
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Create Date: 2026-03-02
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"""
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from alembic import op
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import sqlalchemy as sa
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import uuid
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from datetime import datetime
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revision = "019"
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down_revision = "018"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.add_column("materials", sa.Column("schaeffler_code", sa.Integer(), nullable=True))
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from app.data.schaeffler_materials import SCHAEFFLER_MATERIALS
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conn = op.get_bind()
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now = datetime.utcnow().isoformat()
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for mat in SCHAEFFLER_MATERIALS:
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desc = mat["description"].replace("'", "''")
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name = mat["name"].replace("'", "''")
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conn.execute(sa.text(
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f"INSERT INTO materials (id, name, description, source, schaeffler_code, created_at, updated_at) "
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f"VALUES ('{uuid.uuid4()}', '{name}', '{desc}', '{mat['source']}', "
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f"{mat['schaeffler_code']}, '{now}', '{now}') "
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f"ON CONFLICT (name) DO NOTHING"
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))
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def downgrade() -> None:
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op.execute("DELETE FROM materials WHERE source = 'schaeffler_standard'")
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op.drop_column("materials", "schaeffler_code")
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