db

package

v0.0.2 Latest Latest Go to latest Published: Jun 26, 2018 License: MIT Imports: 9 Imported by: 1

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Repository

github.com/ikitiki/postgresql_exporter

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Documentation ¶

Index ¶

Variables
func ToFloat64(t interface{}) (float64, error)
func ToString(t interface{}) (string, bool)
type Db
- func New(connStr string) (*Db, error)
type DbInterface

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrQueryTimeout = errors.New("canceled due to statement timeout")

ErrQueryTimeout describes statement timeout error

Functions ¶

func ToFloat64 ¶

func ToFloat64(t interface{}) (float64, error)

ToFloat64 converts interface{} value to a float64 value

func ToString ¶

func ToString(t interface{}) (string, bool)

ToString converts interface{} value to a string

Types ¶

type Db ¶

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

Db describes database

func New ¶

func New(connStr string) (*Db, error)

New creates new instance of database connection

func (*Db) Close ¶

func (d *Db) Close() error

Close closes connection to the database

func (*Db) Exec ¶

func (d *Db) Exec(query string) ([]map[string]interface{}, error)

Exec executes the query

func (*Db) PgVersion ¶

func (d *Db) PgVersion() (config.PgVersion, error)

PgVersion returns Postgresql version

func (*Db) SetStatementTimeout ¶

func (d *Db) SetStatementTimeout(duration time.Duration) error

SetStatementTimeout sets statement timeout

type DbInterface ¶

type DbInterface interface {
	SetStatementTimeout(time.Duration) error
	Exec(string) ([]map[string]interface{}, error)
	PgVersion() (config.PgVersion, error)
	Close() error
}

DbInterface describes Db methods

Source Files ¶

View all Source files

db.go

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