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orchard/migrations/011_pypi_cache_tasks.sql
2026-02-05 10:31:04 -06:00

56 lines
2.2 KiB
SQL

-- Migration: 011_pypi_cache_tasks
-- Description: Add table for tracking PyPI dependency caching tasks
-- Date: 2026-02-02
-- Table for tracking PyPI cache tasks with retry support
CREATE TABLE pypi_cache_tasks (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-- What to cache
package_name VARCHAR(255) NOT NULL,
version_constraint VARCHAR(255),
-- Origin tracking
parent_task_id UUID REFERENCES pypi_cache_tasks(id) ON DELETE SET NULL,
depth INTEGER NOT NULL DEFAULT 0,
triggered_by_artifact VARCHAR(64) REFERENCES artifacts(id) ON DELETE SET NULL,
-- Status
status VARCHAR(20) NOT NULL DEFAULT 'pending',
attempts INTEGER NOT NULL DEFAULT 0,
max_attempts INTEGER NOT NULL DEFAULT 3,
-- Results
cached_artifact_id VARCHAR(64) REFERENCES artifacts(id) ON DELETE SET NULL,
error_message TEXT,
-- Timing
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
started_at TIMESTAMP WITH TIME ZONE,
completed_at TIMESTAMP WITH TIME ZONE,
next_retry_at TIMESTAMP WITH TIME ZONE,
-- Constraints
CONSTRAINT check_task_status CHECK (status IN ('pending', 'in_progress', 'completed', 'failed')),
CONSTRAINT check_depth_non_negative CHECK (depth >= 0),
CONSTRAINT check_attempts_non_negative CHECK (attempts >= 0)
);
-- Index for finding tasks ready to process (pending with retry time passed)
CREATE INDEX idx_pypi_cache_tasks_status_retry ON pypi_cache_tasks(status, next_retry_at);
-- Index for deduplication check (is this package already queued?)
CREATE INDEX idx_pypi_cache_tasks_package_status ON pypi_cache_tasks(package_name, status);
-- Index for tracing dependency chains
CREATE INDEX idx_pypi_cache_tasks_parent ON pypi_cache_tasks(parent_task_id);
-- Index for finding tasks by artifact that triggered them
CREATE INDEX idx_pypi_cache_tasks_triggered_by ON pypi_cache_tasks(triggered_by_artifact);
-- Index for finding tasks by cached artifact
CREATE INDEX idx_pypi_cache_tasks_cached_artifact ON pypi_cache_tasks(cached_artifact_id);
-- Index for sorting by depth and creation time (processing order)
CREATE INDEX idx_pypi_cache_tasks_depth_created ON pypi_cache_tasks(depth, created_at);