Make the nil and empty of the `BinPayload` equivalent

dtmsvr/trans_status.go

@@ -141,7 +141,7 @@ func (t *TransGlobal) getHTTPResult(uri string, branchID, op string, branchPaylo
 		SetHeader("Content-type", "application/json").
 		SetHeaders(t.Ext.Headers).
 		SetHeaders(t.TransOptions.BranchHeaders).
-		Execute(dtmimp.If(branchPayload != nil || t.TransType == "xa", "POST", "GET").(string), uri)
+		Execute(dtmimp.If(!dtmutil.IsEmptyBinPayload(branchPayload) || t.TransType == "xa", "POST", "GET").(string), uri)
 	if err != nil {
 		return err
 	}

dtmutil/utils.go

@@ -173,3 +173,8 @@ func RunSQLScript(conf dtmcli.DBConf, script string, skipDrop bool) {
 		logger.Infof("sql scripts finished: %s", s)
 	}
 }
+
+// IsEmptyBinPayload returns true if the bin data is nil or empty
+func IsEmptyBinPayload(binPayload []byte) bool {
+	return binPayload == nil || len(binPayload) == 0
+}