db

package

v0.0.0-...-f92b78c Latest Latest Go to latest Published: Jul 15, 2019 License: MIT Imports: 7 Imported by: 0

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type ConnInstance struct {
	Name string
	Conn *sqlx.DB
}

ConnInstance represents one instance of a DBConnection

type Controller struct {
	Connections map[string]ConnInstance
}

Controller represents a set of ConnInstances

var Instance *Controller

Instance is a pointer for the global Instance

func New(dbs []config.DbConfig) (*Controller, error)

New is the factory method for the Controller

func (ctr Controller) AppendConn(dbConn config.DbConfig)

AppendConn appends one ConnInstance on Controller.Connections if it doesn't exists (search by name)

func (ctr Controller) Query(sql string) (result map[string]interface{}, e error)

Query is the main method for querying data over a set of dbs

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

GenericScanner is a custom db column value scanner

func (scanner *GenericScanner) Scan(src interface{}) error

Scan returns the db column value converted for the language's corresponding type