69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
"""fc2d-iii: post_attachment + import_batch.attachments
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Revision ID: 0009
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Revises: 0008
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Create Date: 2026-05-19
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Internal forward-correctness migration (big legacy-import migration
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stays deferred). No backfill — no attachments exist yet.
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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 = "0009"
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down_revision: Union[str, None] = "0008"
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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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"post_attachment",
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sa.Column("id", sa.Integer(), primary_key=True),
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sa.Column(
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"post_id", sa.Integer(),
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sa.ForeignKey("post.id", ondelete="SET NULL"), nullable=True,
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),
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sa.Column(
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"artist_id", sa.Integer(),
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sa.ForeignKey("artist.id", ondelete="SET NULL"), nullable=True,
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),
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sa.Column("sha256", sa.String(64), nullable=False),
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sa.Column("path", sa.Text(), nullable=False),
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sa.Column("original_filename", sa.Text(), nullable=False),
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sa.Column("ext", sa.String(32), nullable=False),
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sa.Column("mime", sa.String(128), nullable=True),
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sa.Column("size_bytes", sa.BigInteger(), nullable=False),
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sa.Column(
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"captured_at", sa.DateTime(timezone=True),
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server_default=sa.func.now(), nullable=False,
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),
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)
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op.create_index(
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"ix_post_attachment_sha256", "post_attachment", ["sha256"],
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unique=True,
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)
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op.create_index(
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"ix_post_attachment_post_id", "post_attachment", ["post_id"],
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)
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op.create_index(
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"ix_post_attachment_artist_id", "post_attachment", ["artist_id"],
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)
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op.add_column(
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"import_batch",
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sa.Column(
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"attachments", sa.Integer(), nullable=False,
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server_default="0",
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),
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)
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def downgrade() -> None:
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op.drop_column("import_batch", "attachments")
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op.drop_index("ix_post_attachment_artist_id", table_name="post_attachment")
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op.drop_index("ix_post_attachment_post_id", table_name="post_attachment")
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op.drop_index("ix_post_attachment_sha256", table_name="post_attachment")
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op.drop_table("post_attachment")
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