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qg

package module

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Versions in this module

v4

v4.1.4

Dec 13, 2024

v4.1.3

Dec 4, 2024

v4.1.2

Nov 13, 2024

v4.1.1

Oct 15, 2024

v4.1.0

Oct 3, 2024

v4.0.0

Oct 3, 2024

Changes in this version

+ var ErrAgain = errors.New("maximum number of LockJob attempts reached")

+ var ErrMissingType = errors.New("job type must be specified")

+ func GetConnector(host string, port int, username string, password string, database string) (driver.Connector, error)

+ func GetConnectorFromConnStr(connStr string) (driver.Connector, error)

+ func GetConnectorFromURL(u *url.URL) (driver.Connector, error)

+ func PrepareStatements(ctx context.Context, conn *pgx.Conn) error

+ type Client struct

+ func MustNewClient(pool *sql.DB) *Client

+ func NewClient(pool *sql.DB) (*Client, error)

+ func (c *Client) Close()

+ func (c *Client) Enqueue(j *Job) error

+ func (c *Client) EnqueueInTx(j *Job, tx *sql.Tx) error

+ func (c *Client) LockJob(queue string) (*Job, error)

+ func (c *Client) LockJobContext(ctx context.Context, queue string) (*Job, error)

+ func (c *Client) Stats() (results []JobStats, err error)

+ type ConnWrapper interface

+ WrappedConn func() driver.Conn

+ type Conner interface

+ Begin func() (*sql.Tx, error)

+ Close func() error

+ type Job struct

+ Args []byte

+ ErrorCount int32

+ ID int64

+ LastError sql.NullString

+ Priority int16

+ Queue string

+ RunAt time.Time

+ Type string

+ func TestInjectJobConn(j *Job, conn *sql.Conn) *Job

+ func TestInjectJobTx(j *Job, tx Txer) *Job

+ func (j *Job) Conn() *sql.Conn

+ func (j *Job) Delete() error

+ func (j *Job) DeleteContext(ctx context.Context) error

+ func (j *Job) Done()

+ func (j *Job) DoneContext(ctx context.Context)

+ func (j *Job) Error(msg string) error

+ func (j *Job) ErrorContext(ctx context.Context, msg string) error

+ func (j *Job) Tx() Txer

+ type JobStats struct

+ Count int

+ CountErrored int

+ CountWorking int

+ HighestErrorCount int

+ OldestRunAt time.Time

+ Queue string

+ Type string

+ type Queryer interface

+ Exec func(string, ...interface{}) (sql.Result, error)

+ ExecContext func(context.Context, string, ...interface{}) (sql.Result, error)

+ PrepareContext func(context.Context, string) (*sql.Stmt, error)

+ Query func(string, ...interface{}) (*sql.Rows, error)

+ QueryContext func(context.Context, string, ...interface{}) (*sql.Rows, error)

+ QueryRow func(string, ...interface{}) *sql.Row

+ QueryRowContext func(context.Context, string, ...interface{}) *sql.Row

+ type Txer interface

+ Commit func() error

+ Rollback func() error

+ type WorkFunc func(j *Job) error

+ type WorkMap map[string]WorkFunc

+ type Worker struct

+ Interval time.Duration

+ Queue string

+ func NewWorker(c *Client, m WorkMap) *Worker

+ func (w *Worker) Shutdown()

+ func (w *Worker) Work()

+ func (w *Worker) WorkOne() (didWork bool)

+ type WorkerPool struct

+ Interval time.Duration

+ Queue string

+ WorkMap WorkMap

+ func NewWorkerPool(c *Client, wm WorkMap, count int) *WorkerPool

+ func (w *WorkerPool) Shutdown()

+ func (w *WorkerPool) Start()

Other modules containing this package

github.com/kanmu/qg

github.com/kanmu/qg/v3

github.com/kanmu/qg/v5