candle-annotator/services/ml/migrations/001_create_training_runs.sql
Marko Djordjevic ea339a54a7 feat(ml): add database schema, config parser, and DVC setup
- Initialize DVC with local storage backend (task 1.6)
- Create PostgreSQL schema for training_runs table (task 1.7)
- Add SQLAlchemy database connection setup (task 1.8)
- Create Pydantic config models for pipeline.yaml (task 2.1)
- Add migration runner for database setup
- Fix pyproject.toml package discovery config
2026-02-15 12:08:53 +01:00

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SQL

-- Create training_runs table for tracking ML training runs
CREATE TABLE IF NOT EXISTS training_runs (
id SERIAL PRIMARY KEY,
run_id VARCHAR(255) NOT NULL UNIQUE,
model_type VARCHAR(100) NOT NULL,
experiment_name VARCHAR(255) NOT NULL,
pipeline_config_hash VARCHAR(64) NOT NULL,
dataset_version VARCHAR(100),
metrics_summary JSONB,
status VARCHAR(50) NOT NULL DEFAULT 'running',
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
completed_at TIMESTAMP WITH TIME ZONE,
CONSTRAINT valid_status CHECK (status IN ('running', 'completed', 'failed', 'cancelled'))
);
-- Create index on run_id for faster lookups
CREATE INDEX idx_training_runs_run_id ON training_runs(run_id);
-- Create index on experiment_name for filtering by experiment
CREATE INDEX idx_training_runs_experiment ON training_runs(experiment_name);
-- Create index on status for filtering active runs
CREATE INDEX idx_training_runs_status ON training_runs(status);
-- Create index on created_at for chronological queries
CREATE INDEX idx_training_runs_created_at ON training_runs(created_at DESC);