state-hub/migrations/versions/k8f9a0b1c2d3_doi_cache.py

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"""doi_cache: materialised DoI results with fingerprint-based invalidation
Revision ID: k8f9a0b1c2d3
Revises: j7e8f9a0b1c2
Create Date: 2026-03-20
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import UUID, JSON
import uuid
revision = "k8f9a0b1c2d3"
down_revision = "j7e8f9a0b1c2"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.create_table(
"doi_cache",
sa.Column("id", UUID(as_uuid=True), primary_key=True, default=uuid.uuid4),
sa.Column("repo_id", UUID(as_uuid=True),
sa.ForeignKey("managed_repos.id", ondelete="CASCADE"),
nullable=False, unique=True),
sa.Column("tier", sa.String(20), nullable=False),
sa.Column("core_pass", sa.Boolean, nullable=False, server_default="false"),
sa.Column("standard_pass", sa.Boolean, nullable=False, server_default="false"),
sa.Column("full_pass", sa.Boolean, nullable=False, server_default="false"),
sa.Column("criteria", JSON, nullable=True), # full criterion list
sa.Column("fingerprint", sa.Text, nullable=False), # pipe-joined timestamps
sa.Column("checked_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
)
op.create_index("ix_doi_cache_repo_id", "doi_cache", ["repo_id"])
def downgrade() -> None:
op.drop_table("doi_cache")