Interface QueryTracer

tracer.go:10–16

QueryTracer traces Query, QueryRow, and Exec.

// QueryTracer traces Query, QueryRow, and Exec.
type QueryTracer interface {
	// TraceQueryStart is called at the beginning of Query, QueryRow, and Exec calls. The returned context is used for the
	// rest of the call and will be passed to TraceQueryEnd.
	TraceQueryStart(ctx context.Context, conn *Conn, data TraceQueryStartData) context.Context

	TraceQueryEnd(ctx context.Context, conn *Conn, data TraceQueryEndData)
}

type TraceQueryStartData struct {
	SQL  string