errors.go

// Package bcdb 实现了一个持久化键值存储数据库
// 采用 LSM (Log-Structured Merge) 树架构，支持 BTree 和 ART 两种索引结构
package bcdb

import (
	"errors"
)

var (
	// ErrKeyisEmpty 键为空时的错误
	ErrKeyisEmpty = errors.New("key is empty")

	// ErrIndexUpdateFiled 索引更新失败时的错误
	ErrIndexUpdateFiled = errors.New("index update filed")

	// ErrKeyNotFound 键不存在时的错误
	ErrKeyNotFound = errors.New("key not found")

	// ErrDataFileNotFound 数据文件未找到时的错误
	ErrDataFileNotFound = errors.New("data file not found")

	// ErrDBDirisEmpty 数据库目录为空时的错误
	ErrDBDirisEmpty = errors.New("db dir is empty")

	// ErrMaxFileSizeInvalid 最大文件大小配置无效时的错误
	ErrMaxFileSizeInvalid = errors.New("max file size is invalid")

	// ErrDataFileCorrupted 数据文件损坏时的错误
	ErrDataFileCorrupted = errors.New("data file corrupted")

	// ErrDBClosed 数据库已关闭时的错误
	ErrDBClosed = errors.New("db closed")

	// ErrExceedMaxBatchSize 批量操作超出最大限制时的错误
	ErrExceedMaxBatchSize = errors.New("exceed max batch size")

	// ErrMergeInProgress 合并操作正在进行时的错误
	ErrMergeInProgress = errors.New("merge in progress")

	// ErrLockFailed 锁文件获取失败时的错误
	ErrDatabaseUsing = errors.New("this database is used by another process")

	ErrDataFileMergeRatioInvalid = errors.New("data file merge ratio is invalid")

	ErrMergeDataFileReclaimRatioUnReached = errors.New("merge data file reclaim ratio un reached")

	ErrNoEnoughSpaceForMerge = errors.New("no enough space for merge")
)