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migrations/completed/003_migrate_activations_table.sql

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+-- Migrate activations table to new column names
+
+-- Add new columns
+ALTER TABLE activations 
+ADD COLUMN IF NOT EXISTS machine_name VARCHAR(255),
+ADD COLUMN IF NOT EXISTS hardware_fingerprint VARCHAR(255);
+
+-- Copy data from old to new columns
+UPDATE activations 
+SET machine_name = COALESCE(device_name, machine_id),
+    hardware_fingerprint = hardware_hash
+WHERE machine_name IS NULL OR hardware_fingerprint IS NULL;
+
+-- Make new columns NOT NULL after data is copied
+ALTER TABLE activations 
+ALTER COLUMN machine_name SET NOT NULL,
+ALTER COLUMN hardware_fingerprint SET NOT NULL;
+
+-- Drop old columns
+ALTER TABLE activations 
+DROP COLUMN IF EXISTS machine_id,
+DROP COLUMN IF EXISTS hardware_hash,
+DROP COLUMN IF EXISTS device_name;
+
+-- Update any indexes
+CREATE INDEX IF NOT EXISTS idx_activations_machine_name ON activations(machine_name);
+CREATE INDEX IF NOT EXISTS idx_activations_hardware_fingerprint ON activations(hardware_fingerprint);