51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
"""fc2c-iii-a: series_page ordered membership
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Revision ID: 0005
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Revises: 0004
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Create Date: 2026-05-16
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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revision: str = "0005"
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down_revision: Union[str, None] = "0004"
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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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op.create_table(
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"series_page",
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sa.Column("id", sa.Integer(), nullable=False),
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sa.Column("series_tag_id", sa.Integer(), nullable=False),
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sa.Column("image_id", sa.Integer(), nullable=False),
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sa.Column("page_number", sa.Integer(), nullable=False),
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sa.Column(
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"created_at", sa.DateTime(timezone=True),
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nullable=False, server_default=sa.func.now(),
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),
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sa.Column(
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"updated_at", sa.DateTime(timezone=True),
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nullable=False, server_default=sa.func.now(),
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),
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sa.ForeignKeyConstraint(
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["series_tag_id"], ["tag.id"], ondelete="CASCADE"
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),
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sa.ForeignKeyConstraint(
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["image_id"], ["image_record.id"], ondelete="CASCADE"
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),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint("image_id", name="uq_series_page_image"),
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)
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op.create_index(
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"ix_series_page_series_tag_id", "series_page", ["series_tag_id"]
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)
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def downgrade() -> None:
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op.drop_index("ix_series_page_series_tag_id", table_name="series_page")
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op.drop_table("series_page")
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