fix: kill distributed task queue session

Author: YenchangChan

docs/docs.go

@@ -341,6 +341,41 @@ var doc = `{
                 }
             }
         },
+        "/api/v2/ck/ddl_queue/{clusterName}": {
+            "get": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "description": "查询分布式DDL",
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "clickhouse"
+                ],
+                "summary": "查询分布式DDL",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "default": "test",
+                        "description": "cluster name",
+                        "name": "clusterName",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "{\"code\":\"0000\",\"msg\":\"ok\",\"data\":[{\"startTime\":1609986493,\"queryDuration\":145,\"query\":\"select * from dist_sensor_dt_result_online limit 10000\",\"user\":\"default\",\"queryId\":\"8aa3de08-92c4-4102-a83d-2f5d88569dab\",\"address\":\"::1\",\"threads\":2}]}",
+                        "schema": {
+                            "type": "string"
+                        }
+                    }
+                }
+            }
+        },
         "/api/v2/ck/destroy/{clusterName}": {
             "put": {
                 "security": [

docs/swagger.json

@@ -325,6 +325,41 @@
                 }
             }
         },
+        "/api/v2/ck/ddl_queue/{clusterName}": {
+            "get": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "description": "查询分布式DDL",
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "clickhouse"
+                ],
+                "summary": "查询分布式DDL",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "default": "test",
+                        "description": "cluster name",
+                        "name": "clusterName",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "{\"code\":\"0000\",\"msg\":\"ok\",\"data\":[{\"startTime\":1609986493,\"queryDuration\":145,\"query\":\"select * from dist_sensor_dt_result_online limit 10000\",\"user\":\"default\",\"queryId\":\"8aa3de08-92c4-4102-a83d-2f5d88569dab\",\"address\":\"::1\",\"threads\":2}]}",
+                        "schema": {
+                            "type": "string"
+                        }
+                    }
+                }
+            }
+        },
         "/api/v2/ck/destroy/{clusterName}": {
             "put": {
                 "security": [

docs/swagger.yaml

@@ -853,6 +853,29 @@ paths:
       summary: 修改集群配置
       tags:
       - clickhouse
+  /api/v2/ck/ddl_queue/{clusterName}:
+    get:
+      consumes:
+      - application/json
+      description: 查询分布式DDL
+      parameters:
+      - default: test
+        description: cluster name
+        in: path
+        name: clusterName
+        required: true
+        type: string
+      responses:
+        "200":
+          description: '{"code":"0000","msg":"ok","data":[{"startTime":1609986493,"queryDuration":145,"query":"select
+            * from dist_sensor_dt_result_online limit 10000","user":"default","queryId":"8aa3de08-92c4-4102-a83d-2f5d88569dab","address":"::1","threads":2}]}'
+          schema:
+            type: string
+      security:
+      - ApiKeyAuth: []
+      summary: 查询分布式DDL
+      tags:
+      - clickhouse
   /api/v2/ck/destroy/{clusterName}:
     put:
       consumes:

frontend

@@ -1219,7 +1219,7 @@ func GetCkOpenSessions(conf *model.CKManClickHouseConfig, limit int) ([]*model.C
 }
 
 func GetDistibutedDDLQueue(conf *model.CKManClickHouseConfig) ([]*model.CkSessionInfo, error) {
-	query := fmt.Sprintf("select query_create_time, query, host, initiator_host, entry from cluster('{cluster}', system.distributed_ddl_queue) where cluster = '%s' and status != 'Finished' ORDER BY query_create_time", conf.Cluster)
+	query := fmt.Sprintf("select DISTINCT query_create_time, query, host, initiator_host, entry from cluster('{cluster}', system.distributed_ddl_queue) where cluster = '%s' and status != 'Finished' ORDER BY query_create_time", conf.Cluster)
 	log.Logger.Debugf("query:%s", query)
 	service := NewCkService(conf)
 	err := service.InitCkService()
@@ -1264,7 +1264,7 @@ func KillCkOpenSessions(conf *model.CKManClickHouseConfig, host, queryId, typ st
 	FROM
 	(
 		SELECT
-			(extractAllGroups(value, '(\\w+\\.\\w+) UUID')[1])[1] AS table,
+			(extractAllGroups(value, 'TABLE (\\w+\\.\\w+) ')[1])[1] AS table,
 			(extractAllGroups(value, 'initial_query_id: (.*)\n')[1])[1] AS initial_query_id
 		FROM system.zookeeper
 		WHERE (path = '/clickhouse/task_queue/ddl/%s') AND (name = '%s')
@@ -1281,7 +1281,8 @@ func KillCkOpenSessions(conf *model.CKManClickHouseConfig, host, queryId, typ st
 		log.Logger.Debugf(query)
 		err = conn.QueryRow(query).Scan(&query_id)
 		if err == nil {
-			query = fmt.Sprintf("KILL QUERY WHERE query_id = '%s'", queryId)
+			query = fmt.Sprintf("KILL QUERY WHERE query_id = '%s'", query_id)
+			log.Logger.Debugf(query)
 			err = conn.Exec(query)
 			if err != nil {
 				return errors.Wrap(err, "")
@@ -1297,6 +1298,7 @@ func KillCkOpenSessions(conf *model.CKManClickHouseConfig, host, queryId, typ st
 			}
 			if count > 0 {
 				query = fmt.Sprintf("KILL MUTATION WHERE database = '%s' AND table = '%s'", database, table)
+				log.Logger.Debugf(query)
 				err = conn.Exec(query)
 				if err != nil {
 					return errors.Wrap(err, "")