middleware

type DatabaseMetricsConfig struct {
	Enabled                 bool          `json:"enabled"                   yaml:"enabled"`
	CollectConnectionStats  bool          `json:"collect_connection_stats"  yaml:"collect_connection_stats"`
	CollectQueryStats       bool          `json:"collect_query_stats"       yaml:"collect_query_stats"`
	CollectTransactionStats bool          `json:"collect_transaction_stats" yaml:"collect_transaction_stats"`
	CollectMigrationStats   bool          `json:"collect_migration_stats"   yaml:"collect_migration_stats"`
	CollectSlowQueries      bool          `json:"collect_slow_queries"      yaml:"collect_slow_queries"`
	SlowQueryThreshold      time.Duration `json:"slow_query_threshold"      yaml:"slow_query_threshold"`
	GroupByTable            bool          `json:"group_by_table"            yaml:"group_by_table"`
	GroupByOperation        bool          `json:"group_by_operation"        yaml:"group_by_operation"`
	MaxTableNames           int           `json:"max_table_names"           yaml:"max_table_names"`
	NormalizeQueries        bool          `json:"normalize_queries"         yaml:"normalize_queries"`
	LogSlowQueries          bool          `json:"log_slow_queries"          yaml:"log_slow_queries"`
	StatsInterval           time.Duration `json:"stats_interval"            yaml:"stats_interval"`
}

type DatabaseMetricsMiddleware struct {
	// contains filtered or unexported fields
}

type MetricsDB struct {
	*sql.DB
	// contains filtered or unexported fields
}

type MetricsTx struct {
	*sql.Tx
	// contains filtered or unexported fields
}

type MigrationInfo struct {
	Database  string
	Name      string
	Direction string // "up" or "down"
	Duration  time.Duration
	Error     error
}

type QueryInfo struct {
	Database     string
	Table        string
	Operation    string
	Query        string
	Duration     time.Duration
	RowsAffected int64
	RowsReturned int64
	Error        error
}

type TransactionInfo struct {
	Database string
	Duration time.Duration
	Rollback bool
	Error    error
}