Files
photoanalyzer/migrations/versions/0004_durable_jobs.py

86 lines
3.1 KiB
Python

"""Durable jobs: jobs, job_items, job_events.
Revision ID: 0004_durable_jobs
Revises: 0003_thumbnails
Create Date: 2026-07-15
"""
import sqlalchemy as sa
from alembic import op
revision = "0004_durable_jobs"
down_revision = "0003_thumbnails"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.create_table(
"jobs",
sa.Column("id", sa.String(), primary_key=True),
sa.Column("job_type", sa.String(), nullable=False),
sa.Column("state", sa.String(), nullable=False),
sa.Column("lock_key", sa.String(), nullable=True),
sa.Column("idempotency_key", sa.String(), nullable=True, unique=True),
sa.Column("lease_owner", sa.String(), nullable=True),
sa.Column("lease_expires_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("heartbeat_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("fencing_token", sa.Integer(), nullable=False, server_default="0"),
sa.Column("error_code", sa.String(), nullable=True),
sa.Column("error_message", sa.String(), nullable=True),
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"),
),
sa.Column("started_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("finished_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("version", sa.Integer(), nullable=False, server_default="1"),
)
op.create_index("ix_jobs_state", "jobs", ["state"])
op.create_index("ix_jobs_lock_key", "jobs", ["lock_key"])
op.create_table(
"job_items",
sa.Column("job_id", sa.String(), sa.ForeignKey("jobs.id"), primary_key=True),
sa.Column("item_key", sa.String(), primary_key=True),
sa.Column("state", sa.String(), nullable=False),
sa.Column("attempt_count", sa.Integer(), nullable=False, server_default="0"),
sa.Column("error_code", sa.String(), nullable=True),
sa.Column("error_message", sa.String(), nullable=True),
sa.Column(
"updated_at",
sa.DateTime(timezone=True),
nullable=False,
server_default=sa.text("CURRENT_TIMESTAMP"),
),
)
op.create_table(
"job_events",
sa.Column("id", sa.String(), primary_key=True),
sa.Column("job_id", sa.String(), sa.ForeignKey("jobs.id"), nullable=False),
sa.Column("event_type", sa.String(), nullable=False),
sa.Column("message", sa.String(), nullable=True),
sa.Column(
"created_at",
sa.DateTime(timezone=True),
nullable=False,
server_default=sa.text("CURRENT_TIMESTAMP"),
),
)
op.create_index("ix_job_events_job_id", "job_events", ["job_id"])
def downgrade() -> None:
op.drop_table("job_events")
op.drop_table("job_items")
op.drop_table("jobs")