Initial commit

database/migrations/remove_unused_fingerprint_columns.sql

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+-- Migration: Remove unused fingerprint columns and tables
+-- Date: 2025-01-13
+-- Description: Removes evolution history, trust score, rotation policy and related unused columns
+
+-- Drop unused table
+DROP TABLE IF EXISTS fingerprint_rotation_history;
+
+-- Drop unused view
+DROP VIEW IF EXISTS v_account_fingerprints;
+
+-- Create temporary table with desired schema
+CREATE TABLE browser_fingerprints_new (
+    id TEXT PRIMARY KEY,
+    canvas_noise_config TEXT,
+    webrtc_config TEXT,
+    fonts TEXT,
+    hardware_config TEXT,
+    navigator_props TEXT,
+    webgl_vendor TEXT,
+    webgl_renderer TEXT,
+    audio_context_config TEXT,
+    timezone TEXT,
+    timezone_offset INTEGER,
+    plugins TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    last_rotated TIMESTAMP,
+    platform_specific TEXT,
+    static_components TEXT,
+    rotation_seed TEXT,
+    account_bound BOOLEAN DEFAULT FALSE
+);
+
+-- Copy data from old table (excluding unused columns)
+INSERT INTO browser_fingerprints_new (
+    id, canvas_noise_config, webrtc_config, fonts, 
+    hardware_config, navigator_props, webgl_vendor, 
+    webgl_renderer, audio_context_config, timezone, 
+    timezone_offset, plugins, created_at, last_rotated,
+    platform_specific, static_components, rotation_seed,
+    account_bound
+)
+SELECT 
+    id, canvas_noise_config, webrtc_config, fonts, 
+    hardware_config, navigator_props, webgl_vendor, 
+    webgl_renderer, audio_context_config, timezone, 
+    timezone_offset, plugins, created_at, last_rotated,
+    platform_specific, static_components, rotation_seed,
+    account_bound
+FROM browser_fingerprints;
+
+-- Drop old table
+DROP TABLE browser_fingerprints;
+
+-- Rename new table to original name
+ALTER TABLE browser_fingerprints_new RENAME TO browser_fingerprints;
+
+-- Recreate indexes
+CREATE INDEX idx_fingerprints_created ON browser_fingerprints(created_at);
+CREATE INDEX idx_fingerprints_rotated ON browser_fingerprints(last_rotated);
+CREATE INDEX idx_fingerprints_account_bound ON browser_fingerprints(account_bound);