gorm

package
v0.0.0-...-2fc5dd3 Latest Latest
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Published: May 19, 2019 License: MIT Imports: 8 Imported by: 0

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Constants

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const (
	DATABASE_DIR   = "database/"
	DEFAULTDB_NAME = "default"
	DBCONFIG_FILE  = "./config/gorm.ini"
)

default constant

Variables

This section is empty.

Functions

func Callback

func Callback(fn func(*gorm.DB) error, session ...*gorm.DB) error

Callback uses the `default` database for non-transactional operations.

func CallbackByName

func CallbackByName(dbName string, fn func(*gorm.DB) error, session ...*gorm.DB) error

CallbackByName uses the specified database for non-transactional operations.

func DB

func DB(name ...string) (*gorm.DB, bool)

DB is similar to MustDB, but safe.

func List

func List() map[string]*gorm.DB

List gets the list of database engines

func MustDB

func MustDB(name ...string) *gorm.DB

MustDB gets the specified database engine, or the default DB if no name is specified.

func TransactCallback

func TransactCallback(fn func(*gorm.DB) error, session ...*gorm.DB) (err error)

TransactCallback uses the default database for transactional operations. note: if an error is returned, the rollback method should be invoked outside the function.

func TransactCallbackByName

func TransactCallbackByName(dbName string, fn func(*gorm.DB) error, session ...*gorm.DB) (err error)

TransactCallbackByName uses the `specified` database for transactional operations. note: if an error is returned, the rollback method should be invoked outside the function.

Types

type DBConfig

type DBConfig struct {
	Name         string `ini:"-"`
	Enable       bool   `ini:"enable" comment:"Enable the config section"`
	Driver       string `ini:"driver" comment:"mssql | odbc(mssql) | mysql | mymysql | postgres | sqlite3 | oci8 | goracle"`
	Connstring   string `ini:"connstring" comment:"Connect String"`
	MaxOpenConns int    `ini:"max_open_conns"`
	MaxIdleConns int    `ini:"max_idle_conns"`
	ShowSql      bool   `ini:"show_sql" comment:"print sql"`
}

DBConfig is database connection config

func Config

func Config(name ...string) (DBConfig, bool)

Config is similar to MustConfig, but safe.

func MustConfig

func MustConfig(name ...string) DBConfig

MustConfig gets the configuration information for the specified database, or returns the default if no name is specified.

type DBService

type DBService struct {
	Default *gorm.DB            // the default database engine
	List    map[string]*gorm.DB // database engine list
}

DBService is a database engine object.

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