first commit

pkg/database/trace.go

@@ -0,0 +1,23 @@
+package database
+
+import "git.bvbej.com/bvbej/base-golang/pkg/trace"
+
+type Trace = trace.T
+
+type Option func(*option)
+
+func WithTrace(t Trace) Option {
+	return func(opt *option) {
+		if t != nil {
+			opt.Trace = t.(*trace.Trace)
+		}
+	}
+}
+
+func newOption() *option {
+	return &option{}
+}
+
+type option struct {
+	Trace *trace.Trace
+}