Method GetCacheStats

internal/db/db.go:210–214

GetCacheStats returns (count, totalBytes) for pricing_cache.

()

// GetCacheStats returns (count, totalBytes) for pricing_cache.
func (d *DB) GetCacheStats() (int, int, error) {
	var count, size int
	err := d.conn.QueryRow("SELECT COUNT(*), COALESCE(SUM(LENGTH(response_json)),0) FROM pricing_cache").Scan(&count, &size)
	return count, size, err
}

// MakeCacheKey produces a deterministic cache key from query parameters.
func MakeCacheKey(providers, regions, categories, productFamilies []string, attrs map[string]string, prices []string) string {