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v2_adminpanel/migrations/create_license_heartbeats_table.sql

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+-- Migration: Create license_heartbeats partitioned table
+-- Date: 2025-06-19
+-- Description: Creates the license_heartbeats table with monthly partitioning
+
+-- Create the partitioned table
+CREATE TABLE IF NOT EXISTS license_heartbeats (
+    id BIGSERIAL,
+    license_id INTEGER NOT NULL,
+    hardware_id VARCHAR(255) NOT NULL,
+    ip_address INET NOT NULL,
+    timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    session_data JSONB,
+    PRIMARY KEY (id, timestamp),
+    FOREIGN KEY (license_id) REFERENCES licenses(id) ON DELETE CASCADE
+) PARTITION BY RANGE (timestamp);
+
+-- Create indexes for better query performance
+CREATE INDEX IF NOT EXISTS idx_license_heartbeats_license_id_timestamp 
+    ON license_heartbeats (license_id, timestamp DESC);
+
+CREATE INDEX IF NOT EXISTS idx_license_heartbeats_timestamp 
+    ON license_heartbeats (timestamp DESC);
+
+CREATE INDEX IF NOT EXISTS idx_license_heartbeats_hardware_id 
+    ON license_heartbeats (hardware_id);
+
+CREATE INDEX IF NOT EXISTS idx_license_heartbeats_ip_address 
+    ON license_heartbeats (ip_address);
+
+-- Create partitions for current and next month
+DO $$
+DECLARE
+    current_year INTEGER;
+    current_month INTEGER;
+    next_year INTEGER;
+    next_month INTEGER;
+    partition_name TEXT;
+    start_date DATE;
+    end_date DATE;
+BEGIN
+    -- Get current date info
+    current_year := EXTRACT(YEAR FROM CURRENT_DATE);
+    current_month := EXTRACT(MONTH FROM CURRENT_DATE);
+    
+    -- Calculate next month
+    IF current_month = 12 THEN
+        next_year := current_year + 1;
+        next_month := 1;
+    ELSE
+        next_year := current_year;
+        next_month := current_month + 1;
+    END IF;
+    
+    -- Create current month partition
+    partition_name := 'license_heartbeats_' || current_year || '_' || LPAD(current_month::TEXT, 2, '0');
+    start_date := DATE_TRUNC('month', CURRENT_DATE);
+    end_date := DATE_TRUNC('month', CURRENT_DATE) + INTERVAL '1 month';
+    
+    EXECUTE format('CREATE TABLE IF NOT EXISTS %I PARTITION OF license_heartbeats FOR VALUES FROM (%L) TO (%L)',
+                   partition_name, start_date, end_date);
+    
+    -- Create next month partition
+    partition_name := 'license_heartbeats_' || next_year || '_' || LPAD(next_month::TEXT, 2, '0');
+    start_date := end_date;
+    end_date := start_date + INTERVAL '1 month';
+    
+    EXECUTE format('CREATE TABLE IF NOT EXISTS %I PARTITION OF license_heartbeats FOR VALUES FROM (%L) TO (%L)',
+                   partition_name, start_date, end_date);
+    
+    RAISE NOTICE 'Created partitions for current and next month';
+END $$;
+
+-- Add comment to the table
+COMMENT ON TABLE license_heartbeats IS 'Stores heartbeat data from license validations for real-time monitoring';
+COMMENT ON COLUMN license_heartbeats.license_id IS 'Foreign key to licenses table';
+COMMENT ON COLUMN license_heartbeats.hardware_id IS 'Hardware identifier of the device';
+COMMENT ON COLUMN license_heartbeats.ip_address IS 'IP address from which the heartbeat was sent';
+COMMENT ON COLUMN license_heartbeats.timestamp IS 'Timestamp of the heartbeat';
+COMMENT ON COLUMN license_heartbeats.session_data IS 'Additional session data in JSON format';