88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
"""initial schema
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Revision ID: 20231216_000000
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Revises:
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Create Date: 2023-12-16 00:00:00.000000
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision: str = "20231216_000000"
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down_revision: Union[str, None] = None
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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# Create category table
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op.create_table(
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"category",
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sa.Column("id", sa.Integer(), nullable=False),
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sa.Column("created_at", sa.DateTime(), nullable=False),
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sa.Column("updated_at", sa.DateTime(), nullable=False),
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sa.Column("name", sa.String(length=100), nullable=False),
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sa.Column("description", sa.Text(), nullable=True),
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sa.PrimaryKeyConstraint("id"),
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)
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op.create_index(op.f("ix_category_id"), "category", ["id"], unique=False)
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op.create_index(op.f("ix_category_name"), "category", ["name"], unique=True)
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# Create product table
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op.create_table(
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"product",
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sa.Column("id", sa.Integer(), nullable=False),
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sa.Column("created_at", sa.DateTime(), nullable=False),
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sa.Column("updated_at", sa.DateTime(), nullable=False),
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sa.Column("name", sa.String(length=255), nullable=False),
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sa.Column("description", sa.Text(), nullable=True),
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sa.Column("price", sa.Float(), nullable=False),
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sa.Column("stock", sa.Integer(), nullable=False),
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sa.Column("image_url", sa.String(length=255), nullable=True),
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sa.Column("anime_title", sa.String(length=255), nullable=True),
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sa.Column("character_name", sa.String(length=255), nullable=True),
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sa.PrimaryKeyConstraint("id"),
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)
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op.create_index(
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op.f("ix_product_anime_title"), "product", ["anime_title"], unique=False
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)
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op.create_index(
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op.f("ix_product_character_name"), "product", ["character_name"], unique=False
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)
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op.create_index(op.f("ix_product_id"), "product", ["id"], unique=False)
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op.create_index(op.f("ix_product_name"), "product", ["name"], unique=False)
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# Create product_category association table
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op.create_table(
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"product_category",
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sa.Column("product_id", sa.Integer(), nullable=False),
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sa.Column("category_id", sa.Integer(), nullable=False),
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sa.ForeignKeyConstraint(
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["category_id"],
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["category.id"],
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),
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sa.ForeignKeyConstraint(
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["product_id"],
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["product.id"],
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),
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sa.PrimaryKeyConstraint("product_id", "category_id"),
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)
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def downgrade() -> None:
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# Drop tables in reverse order
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op.drop_table("product_category")
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op.drop_index(op.f("ix_product_name"), table_name="product")
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op.drop_index(op.f("ix_product_id"), table_name="product")
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op.drop_index(op.f("ix_product_character_name"), table_name="product")
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op.drop_index(op.f("ix_product_anime_title"), table_name="product")
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op.drop_table("product")
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op.drop_index(op.f("ix_category_name"), table_name="category")
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op.drop_index(op.f("ix_category_id"), table_name="category")
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op.drop_table("category")
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