46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
"""Phase 7: Preisdatenbank
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Revision ID: 0009
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Revises: 0008
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Create Date: 2026-08-08
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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revision: str = "0009"
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down_revision: str | None = "0008"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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op.create_table(
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"price_point",
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sa.Column("id", sa.String(36), primary_key=True),
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sa.Column("list_id", sa.String(36), nullable=False),
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sa.Column("article_id", sa.String(36), nullable=False),
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sa.Column("market_id", sa.String(36), nullable=False),
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sa.Column("price_cents", sa.Integer(), nullable=False),
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sa.Column("quantity", sa.Numeric(10, 3), nullable=True),
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sa.Column("unit", sa.String(32), nullable=True),
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sa.Column("recorded_at", sa.DateTime(), nullable=False,
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server_default=sa.func.now()),
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sa.ForeignKeyConstraint(["list_id"], ["shopping_list.id"], ondelete="CASCADE"),
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sa.ForeignKeyConstraint(["article_id"], ["article.id"], ondelete="CASCADE"),
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sa.ForeignKeyConstraint(["market_id"], ["market.id"], ondelete="CASCADE"),
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mysql_engine="InnoDB",
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mysql_charset="utf8mb4",
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mysql_collate="utf8mb4_unicode_ci",
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)
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op.create_index("ix_price_article_market", "price_point",
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["article_id", "market_id", "recorded_at"])
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op.create_index("ix_price_list", "price_point", ["list_id", "recorded_at"])
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def downgrade() -> None:
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op.drop_index("ix_price_list", table_name="price_point")
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op.drop_index("ix_price_article_market", table_name="price_point")
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op.drop_table("price_point")
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