database

type Config struct {
	// 连接池配置
	MaxOpenConns    int           `yaml:"max_open_conns" default:"25"`
	MaxIdleConns    int           `yaml:"max_idle_conns" default:"5"`
	ConnMaxLifetime time.Duration `yaml:"conn_max_lifetime" default:"5m"`
	ConnMaxIdleTime time.Duration `yaml:"conn_max_idle_time" default:"5m"`

	// 健康检查配置
	HealthCheckInterval time.Duration `yaml:"health_check_interval" default:"30s"`
	HealthCheckTimeout  time.Duration `yaml:"health_check_timeout" default:"3s"`

	// 监控配置
	MetricsEnabled bool `yaml:"metrics_enabled" default:"true"`

	// 日志配置
	LogLevel logger.LogLevel `yaml:"log_level" default:"error"`

	// 重试配置
	RetryAttempts int           `yaml:"retry_attempts" default:"3"`
	RetryDelay    time.Duration `yaml:"retry_delay" default:"100ms"`
}

type ListOptions struct {
	Page     int    `form:"page" binding:"min=1" default:"1"`
	PageSize int    `form:"page_size" binding:"min=1,max=100" default:"20"`
	Sort     string `form:"sort" default:"id"`
	Order    string `form:"order" default:"asc"`
	Search   string `form:"search"`
}

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

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

type PaginatedResult[T any] struct {
	Items      []T        `json:"items"`
	Pagination Pagination `json:"pagination"`
}

type Pagination struct {
	Page       int   `json:"page"`
	PageSize   int   `json:"page_size"`
	Total      int64 `json:"total"`
	TotalPages int   `json:"total_pages"`
	HasNext    bool  `json:"has_next"`
	HasPrev    bool  `json:"has_prev"`
}

type PoolStats struct {
	MaxOpenConnections int           `json:"max_open_connections"`
	OpenConnections    int           `json:"open_connections"`
	InUse              int           `json:"in_use"`
	Idle               int           `json:"idle"`
	WaitCount          int64         `json:"wait_count"`
	WaitDuration       time.Duration `json:"wait_duration"`
	MaxIdleClosed      int64         `json:"max_idle_closed"`
	MaxIdleTimeClosed  int64         `json:"max_idle_time_closed"`
	MaxLifetimeClosed  int64         `json:"max_lifetime_closed"`

	// 健康检查统计
	LastHealthCheckSuccess  time.Time `json:"last_health_check_success"`
	LastHealthCheckFailure  time.Time `json:"last_health_check_failure"`
	HealthCheckSuccessCount int64     `json:"health_check_success_count"`
	HealthCheckFailureCount int64     `json:"health_check_failure_count"`

	// 重试和操作统计
	RetryCount   int64 `json:"retry_count"`
	SuccessCount int64 `json:"success_count"`
	FailureCount int64 `json:"failure_count"`
}

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