db

Documentation

Index

• Variables
• func FromContext(ctx context.Context) (*pgxpool.Pool, error)
• func FromRequest(req *http.Request) (*pgxpool.Pool, error)
• func Middleware(db *pgxpool.Pool) middleware.MiddlewareFunc
• func WithContext(ctx context.Context, pool *pgxpool.Pool) context.Context
• func WithTracer(t pgx.QueryTracer) func(c *pgxpool.Config)

Variables

var (
	ErrDBPoolNotFound = errors.New("sql/db: unable to retrieve db pool from request context.")
)

Functions

func FromContext

func FromContext(ctx context.Context) (*pgxpool.Pool, error)

FromContext returns the pool associated with the given context.

func FromRequest

func FromRequest(req *http.Request) (*pgxpool.Pool, error)

FromRequest returns the pool associated with the given http request.

func Middleware

func Middleware(db *pgxpool.Pool) middleware.MiddlewareFunc

Middleware returns a middleware that injects the given pool into the request context.

func WithContext

func WithContext(ctx context.Context, pool *pgxpool.Pool) context.Context

WithContext returns a new context with the given pool.

func WithTracer

func WithTracer(t pgx.QueryTracer) func(c *pgxpool.Config)

WithTracer sets the query tracer for the database pool.

Checkout [pgxotel.Tracer] for an opentelemetry tracing implementation.