71 lines
2.5 KiB
Python
71 lines
2.5 KiB
Python
"""Initial stable-identity schema: assets and asset_paths.
|
|
|
|
Revision ID: 0001_initial_identity
|
|
Revises:
|
|
Create Date: 2026-07-15
|
|
"""
|
|
|
|
import sqlalchemy as sa
|
|
from alembic import op
|
|
|
|
revision = "0001_initial_identity"
|
|
down_revision = None
|
|
branch_labels = None
|
|
depends_on = None
|
|
|
|
|
|
def upgrade() -> None:
|
|
op.create_table(
|
|
"assets",
|
|
sa.Column("id", sa.String(), primary_key=True),
|
|
sa.Column("original_path", sa.String(), nullable=False),
|
|
sa.Column("current_path", sa.String(), nullable=True, unique=True),
|
|
sa.Column("current_sha256", sa.String(), nullable=True),
|
|
sa.Column("pixel_sha256", sa.String(), nullable=True),
|
|
sa.Column("phash", sa.String(), nullable=True),
|
|
sa.Column("hash_version", sa.Integer(), nullable=False, server_default="1"),
|
|
sa.Column("byte_size", sa.Integer(), nullable=True),
|
|
sa.Column("discovered_at", sa.DateTime(timezone=True), nullable=False),
|
|
sa.Column("missing_at", sa.DateTime(timezone=True), nullable=True),
|
|
sa.Column(
|
|
"availability_state", sa.String(), nullable=False, server_default="active"
|
|
),
|
|
sa.Column("state_version", sa.Integer(), nullable=False, server_default="1"),
|
|
sa.Column(
|
|
"created_at",
|
|
sa.DateTime(timezone=True),
|
|
nullable=False,
|
|
server_default=sa.text("CURRENT_TIMESTAMP"),
|
|
),
|
|
sa.Column(
|
|
"updated_at",
|
|
sa.DateTime(timezone=True),
|
|
nullable=False,
|
|
server_default=sa.text("CURRENT_TIMESTAMP"),
|
|
),
|
|
)
|
|
op.create_index("ix_assets_current_sha256", "assets", ["current_sha256"])
|
|
op.create_index("ix_assets_pixel_sha256", "assets", ["pixel_sha256"])
|
|
op.create_index("ix_assets_phash", "assets", ["phash"])
|
|
op.create_index("ix_assets_availability_state", "assets", ["availability_state"])
|
|
|
|
op.create_table(
|
|
"asset_paths",
|
|
sa.Column(
|
|
"asset_id",
|
|
sa.String(),
|
|
sa.ForeignKey("assets.id"),
|
|
primary_key=True,
|
|
),
|
|
sa.Column("path", sa.String(), primary_key=True),
|
|
sa.Column("valid_from", sa.DateTime(timezone=True), primary_key=True),
|
|
sa.Column("valid_until", sa.DateTime(timezone=True), nullable=True),
|
|
sa.Column("reason", sa.String(), nullable=True),
|
|
)
|
|
op.create_index("ix_asset_paths_path", "asset_paths", ["path"])
|
|
|
|
|
|
def downgrade() -> None:
|
|
op.drop_table("asset_paths")
|
|
op.drop_table("assets")
|