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5cf1e0c16a
Added Prisma migration to support user identification: 1. Session Table Enhancement - Added user_id column (VARCHAR(36)) to session table - Stores WordPress user ID for logged-in users - Indexed for efficient lookups 2. User Mapping Table - New table to track visitor_id to user_id relationships - Maps anonymous visitors to authenticated users - Tracks first_seen_at, last_seen_at, and session_count - Unique constraint on (visitor_id, user_id) pair 3. Indexes - idx_session_user_id - Fast user_id lookups - idx_session_visitor_user - Composite index for visitor+user queries - idx_user_mapping_visitor - Visitor ID lookups - idx_user_mapping_user - User ID lookups - idx_user_mapping_last_seen - Time-based queries This migration enables unified user tracking across anonymous and authenticated sessions, supporting the WordPress plugin's user identification feature.
36 lines
1.6 KiB
SQL
36 lines
1.6 KiB
SQL
-- Migration: Add User ID Mapping
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-- Description: Add user_id column to session table for unified user identification
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-- Date: 2025-11-05
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-- Add user_id column to session table
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ALTER TABLE session ADD COLUMN IF NOT EXISTS user_id VARCHAR(36);
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-- Add index for user_id lookups
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CREATE INDEX IF NOT EXISTS idx_session_user_id ON session(user_id);
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-- Add composite index for visitor_id and user_id
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CREATE INDEX IF NOT EXISTS idx_session_visitor_user ON session(visitor_id, user_id);
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-- Create user_mapping table for tracking visitor_id to user_id relationships
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CREATE TABLE IF NOT EXISTS user_mapping (
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id SERIAL PRIMARY KEY,
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visitor_id VARCHAR(36) NOT NULL,
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user_id VARCHAR(36) NOT NULL,
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first_seen_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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last_seen_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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session_count INTEGER DEFAULT 1,
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UNIQUE(visitor_id, user_id)
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);
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-- Add indexes for user_mapping
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CREATE INDEX IF NOT EXISTS idx_user_mapping_visitor ON user_mapping(visitor_id);
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CREATE INDEX IF NOT EXISTS idx_user_mapping_user ON user_mapping(user_id);
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CREATE INDEX IF NOT EXISTS idx_user_mapping_last_seen ON user_mapping(last_seen_at);
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-- Add comments
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COMMENT ON COLUMN session.user_id IS 'WordPress user ID for logged-in users';
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COMMENT ON TABLE user_mapping IS 'Maps visitor IDs to user IDs for unified identification';
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COMMENT ON COLUMN user_mapping.visitor_id IS 'Umami visitor ID (anonymous)';
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COMMENT ON COLUMN user_mapping.user_id IS 'WordPress user ID (logged-in)';
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COMMENT ON COLUMN user_mapping.session_count IS 'Number of sessions for this visitor-user pair';
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