eMysql

package
v1.1.2 Latest Latest
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Published: Sep 2, 2022 License: MIT Imports: 13 Imported by: 0

Documentation

Index

Constants

View Source
const NotLimit = -1

Variables

View Source
var ErrNoInit = errors.New("eMysql: please initialize with eMysql.Init()")

Functions

func GetConnect

func GetConnect(name string) *gorm.DB

func GetConnectByConf

func GetConnectByConf(conf MultipleConf) (*gorm.DB, error)

GetConnectByConf 获取gorm连接

func Init

func Init(c map[string]MultipleConf, logOptions []LogConfigOption)

Types

type Conf

type Conf struct {
	Host     string
	Port     int
	Database string
	User     string
	Password string
	Params   string
}

func (*Conf) DSN

func (c *Conf) DSN() string

type EGorm

type EGorm struct {
	ConfName string
}

EGorm 在结构体引入组合并赋值ConfName,即可通过GDB()获取gorm连接 Example

type User struct {
	 EGorm
}

var user = User{EGorm{ConfName: "localhost"}}

func (u *User) GetUser(id int64) error {
	 u.GDB().Where("id = ?", id).First()
}

func (*EGorm) Create added in v0.0.7

func (ctl *EGorm) Create(c context.Context, values interface{}) error

Create 创建 @param c @param values 记录数据 @return error

func (*EGorm) First added in v0.0.7

func (ctl *EGorm) First(c context.Context, where, noWhere map[string]interface{}, result interface{}) error

First 查询第一条记录 @param c @param where where条件 @param noWhere no where条件 @param result 查询结果数据 @return error

func (*EGorm) GDB

func (ctl *EGorm) GDB() *gorm.DB

GDB 获取DB连接

func (*EGorm) SaveById added in v0.0.16

func (ctl *EGorm) SaveById(c context.Context, records interface{}, updateColumns []string) error

Save 更新结构体指定id的所有字段 @param c @param records 记录数据 @param updateColumns 当id为0时,需要更新的字段 @return error

func (*EGorm) Updates added in v0.0.7

func (ctl *EGorm) Updates(c context.Context, table string, where, noWhere, updates map[string]interface{}, limit int) (int64, error)

Updates 更新指定字段 @param c @param table 更新表名 @param where where条件 @param noWhere no where条件 @param updates 更新数据 @param limit 更新限制条数,不限制则使用NotLimit @return int64 更新有效结果数量 @return error

type LogConfigOption added in v0.0.16

type LogConfigOption func(conf *logConf)

func WithIgnoreRecordNotFound

func WithIgnoreRecordNotFound(isIgnore bool) LogConfigOption

WithIgnoreRecordNotFound 是否忽略notFound错误,默认为 false

func WithLogLevel added in v0.0.16

func WithLogLevel(level logger.LogLevel) LogConfigOption

WithLogLevel 是否忽略notFound错误

func WithName

func WithName(name string) LogConfigOption

WithName 慢日志名,默认为 mysql

func WithSlowThreshold

func WithSlowThreshold(duration time.Duration) LogConfigOption

WithSlowThreshold 慢日志时间阈值,默认为 100毫秒

type MultipleConf

type MultipleConf struct {
	Sources  []Conf // 写库
	Replicas []Conf // 读库
}

MultipleConf 读写分离配置

func (*MultipleConf) ConfToGormDialector

func (m *MultipleConf) ConfToGormDialector() (sourcesDialector, replicasDialector []gorm.Dialector)

ConfToGormDialector 处理配置为gorm配置 @param conf 配置列表 @return sourcesDSN 写库dsn列表 @return replicasDSN 读库dsn列表

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