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migrations/completed/001_hardware_id_cleanup.sql

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+-- Hardware ID Cleanup Migration
+-- Phase 1: Add new columns alongside old ones
+
+-- 1. Update sessions table
+ALTER TABLE sessions 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255);
+
+-- 2. Update device_registrations table
+ALTER TABLE device_registrations 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint TEXT;
+
+-- 3. Update license_tokens table
+ALTER TABLE license_tokens 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255);
+
+-- 4. Update license_heartbeats table (partitioned)
+ALTER TABLE license_heartbeats 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255);
+
+-- 5. Update activation_events table
+ALTER TABLE activation_events 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255),
+ADD COLUMN IF NOT EXISTS previous_hardware_fingerprint VARCHAR(255);
+
+-- 6. Update active_sessions table
+ALTER TABLE active_sessions 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255);
+
+-- 7. Update license_sessions table
+ALTER TABLE license_sessions 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255);
+
+-- 8. Update session_history table
+ALTER TABLE session_history 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255);
+
+-- Copy existing data to new columns
+-- For now, we'll copy hardware_id to hardware_fingerprint
+-- machine_name will be populated by the application
+
+UPDATE sessions SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+UPDATE device_registrations SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+UPDATE license_tokens SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+UPDATE license_heartbeats SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+UPDATE activation_events SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+UPDATE activation_events SET previous_hardware_fingerprint = previous_hardware_id WHERE previous_hardware_fingerprint IS NULL;
+UPDATE active_sessions SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+UPDATE license_sessions SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+UPDATE session_history SET hardware_fingerprint = hardware_id WHERE hardware_fingerprint IS NULL;
+
+-- Create indexes for new columns
+CREATE INDEX IF NOT EXISTS idx_sessions_hardware_fingerprint ON sessions(hardware_fingerprint);
+CREATE INDEX IF NOT EXISTS idx_device_registrations_hardware_fingerprint ON device_registrations(hardware_fingerprint);
+CREATE INDEX IF NOT EXISTS idx_license_tokens_hardware_fingerprint ON license_tokens(hardware_fingerprint);
+CREATE INDEX IF NOT EXISTS idx_license_heartbeats_hardware_fingerprint ON license_heartbeats(hardware_fingerprint, timestamp DESC);
+CREATE INDEX IF NOT EXISTS idx_active_sessions_hardware_fingerprint ON active_sessions(hardware_fingerprint);
+CREATE INDEX IF NOT EXISTS idx_license_sessions_hardware_fingerprint ON license_sessions(license_id, hardware_fingerprint);
+CREATE INDEX IF NOT EXISTS idx_session_history_hardware_fingerprint ON session_history(hardware_fingerprint);
+
+-- Note: Old columns are NOT dropped yet. This will be done in a later migration
+-- after verifying the system works with new columns.