feat:support cypher parameter

.gitignore

@@ -14,7 +14,6 @@ nebula-httpd
 .idea
 .vscode/
 vendor/
-
 # Dependency directories (remove the comment below to include it)
 tmp/
 

common/common.go

@@ -1,3 +1,6 @@
 package common
 
 type Any interface{}
+
+type ParameterList []string
+type ParameterMap map[string]interface{}

controllers/db.go

@@ -13,9 +13,10 @@ type DatabaseController struct {
 }
 
 type Response struct {
-	Code    int        `json:"code"`
-	Data    common.Any `json:"data"`
-	Message string     `json:"message"`
+	Code    int                 `json:"code"`
+	Data    common.Any          `json:"data"`
+	Message string              `json:"message"`
+	Params  common.ParameterMap `json:"params"`
 }
 
 type Request struct {
@@ -26,7 +27,8 @@ type Request struct {
 }
 
 type ExecuteRequest struct {
-	Gql string `json:"gql"`
+	Gql       string               `json:"gql"`
+	ParamList common.ParameterList `json:"paramList"`
 }
 
 type Data map[string]interface{}
@@ -84,14 +86,19 @@ func (this *DatabaseController) Execute() {
 		res.Message = "connection refused for lack of session"
 	} else {
 		json.Unmarshal(this.Ctx.Input.RequestBody, &params)
-		result, err := dao.Execute(nsid.(string), params.Gql)
+		result, paramsMap, err := dao.Execute(nsid.(string), params.Gql, params.ParamList)
 		if err == nil {
 			res.Code = 0
 			res.Data = &result
 		} else {
 			res.Code = -1
 			res.Message = err.Error()
 		}
+		if len(paramsMap) == 0 {
+			res.Params = nil
+		} else {
+			res.Params = paramsMap
+		}
 	}
 	this.Data["json"] = &res
 	this.ServeJSON()

service/dao/dao.go

@@ -287,26 +287,30 @@ func Disconnect(nsid string) {
 	pool.Disconnect(nsid)
 }
 
-func Execute(nsid string, gql string) (result ExecuteResult, err error) {
+func Execute(nsid string, gql string, paramList common.ParameterList) (result ExecuteResult, params common.ParameterMap, err error) {
 	result = ExecuteResult{
 		Headers: make([]string, 0),
 		Tables:  make([]map[string]common.Any, 0),
 	}
 	connection, err := pool.GetConnection(nsid)
 	if err != nil {
-		return result, err
+		return result, nil, err
 	}
-
 	responseChannel := make(chan pool.ChannelResponse)
 	connection.RequestChannel <- pool.ChannelRequest{
 		Gql:             gql,
 		ResponseChannel: responseChannel,
+		ParamList:       paramList,
 	}
 	response := <-responseChannel
+	paramsMap := response.Params
 	if response.Error != nil {
-		return result, response.Error
+		return result, paramsMap, response.Error
 	}
 	resp := response.Result
+	if response.Result == nil {
+		return result, paramsMap, nil
+	}
 	if resp.IsSetPlanDesc() {
 		format := string(resp.GetPlanDesc().GetFormat())
 		if format == "row" {
@@ -321,7 +325,7 @@ func Execute(nsid string, gql string) (result ExecuteResult, err error) {
 				rowValue["operator info"] = rows[i][4]
 				result.Tables = append(result.Tables, rowValue)
 			}
-			return result, err
+			return result, paramsMap, err
 		} else {
 			var rowValue = make(map[string]common.Any)
 			result.Headers = append(result.Headers, "format")
@@ -331,13 +335,12 @@ func Execute(nsid string, gql string) (result ExecuteResult, err error) {
 				rowValue["format"] = resp.MakeDotGraphByStruct()
 			}
 			result.Tables = append(result.Tables, rowValue)
-			return result, err
+			return result, paramsMap, err
 		}
 	}
-
 	if !resp.IsSucceed() {
 		logs.Info("ErrorCode: %v, ErrorMsg: %s", resp.GetErrorCode(), resp.GetErrorMsg())
-		return result, errors.New(string(resp.GetErrorMsg()))
+		return result, paramsMap, errors.New(string(resp.GetErrorMsg()))
 	}
 	if !resp.IsEmpty() {
 		rowSize := resp.GetRowSize()
@@ -351,16 +354,16 @@ func Execute(nsid string, gql string) (result ExecuteResult, err error) {
 			var _edgesParsedList = make(list, 0)
 			var _pathsParsedList = make(list, 0)
 			if err != nil {
-				return result, err
+				return result, paramsMap, err
 			}
 			for j := 0; j < colSize; j++ {
 				rowData, err := record.GetValueByIndex(j)
 				if err != nil {
-					return result, err
+					return result, paramsMap, err
 				}
 				value, err := getValue(rowData)
 				if err != nil {
-					return result, err
+					return result, paramsMap, err
 				}
 				rowValue[result.Headers[j]] = value
 				valueType := rowData.GetType()
@@ -396,12 +399,12 @@ func Execute(nsid string, gql string) (result ExecuteResult, err error) {
 					rowValue["_pathsParsedList"] = _pathsParsedList
 				}
 				if err != nil {
-					return result, err
+					return result, paramsMap, err
 				}
 			}
 			result.Tables = append(result.Tables, rowValue)
 		}
 	}
 	result.TimeCost = resp.GetLatency()
-	return result, nil
+	return result, paramsMap, nil
 }