chore: fix warning (#318)

Co-authored-by: Anqi <[email protected]>

result_set.go

@@ -714,7 +714,7 @@ func (relationship Relationship) String() string {
 		dst = ValueWrapper{edge.Src, relationship.timezoneInfo}.String()
 	}
 	return fmt.Sprintf(`[:%s %s->%s @%d {%s}]`,
-		string(edge.Name), src, dst, edge.Ranking, fmt.Sprintf("%s", strings.Join(kvStr, ", ")))
+		string(edge.Name), src, dst, edge.Ranking, strings.Join(kvStr, ", "))
 }
 
 func (r1 Relationship) IsEqualTo(r2 *Relationship) bool {
@@ -814,7 +814,7 @@ func (pathWrap *PathWrapper) String() string {
 			dirChar1,
 			string(step.Name),
 			step.Ranking,
-			fmt.Sprintf("%s", strings.Join(kvStr, ", ")),
+			strings.Join(kvStr, ", "),
 			dirChar2,
 			ValueWrapper{&nebula.Value{VVal: step.Dst}, pathWrap.timezoneInfo}.String())
 	}
@@ -1379,7 +1379,7 @@ func MakeProfilingData(planNodeDesc *graph.PlanNodeDescription, isTckFmt bool) s
 	}
 	var buffer bytes.Buffer
 	json.Indent(&buffer, []byte(allProfiles), "", "  ")
-	return string(buffer.Bytes())
+	return buffer.String()
 }
 
 // generate operator info for Row format.

result_set_test.go

@@ -696,10 +696,10 @@ func TestResultSet(t *testing.T) {
 	if err != nil {
 		t.Fatalf(err.Error())
 	}
-	temp, err := record.GetValueByIndex(0)
+	temp, _ := record.GetValueByIndex(0)
 	_, err = temp.AsNode()
 	assert.EqualError(t, err, "failed to convert value int to Node, value is not an vertex")
-	temp, err = record.GetValueByColName("col2")
+	_, err = record.GetValueByColName("col2")
 	assert.EqualError(t, err, "failed to get values, given column name 'col2' does not exist")
 	val, _ := record.GetValueByColName("col2_vertex")
 	node, _ := val.AsNode()

session.go

@@ -327,7 +327,7 @@ func value2Nvalue(any interface{}) (value *nebula.Value, err error) {
 		value.SetGgVal(&v)
 	} else {
 		// unsupported other Value type, use this function carefully
-		err = fmt.Errorf("Only support convert boolean/float/int/string/map/list to nebula.Value but %T", any)
+		err = fmt.Errorf("only support convert boolean/float/int/string/map/list to nebula.Value but %T", any)
 	}
 	return
 }

session_pool.go

@@ -281,7 +281,7 @@ func (pool *SessionPool) ExecuteAndCheck(q string) (*ResultSet, error) {
 	errCode := rs.GetErrorCode()
 	if errCode != ErrorCode_SUCCEEDED {
 		errMsg := rs.GetErrorMsg()
-		return nil, fmt.Errorf("Fail to execute query. %s", errMsg)
+		return nil, fmt.Errorf("fail to execute query. %s", errMsg)
 	}
 
 	return rs, nil