modify scheduler api

include/libs/scheduler/scheduler.h

@@ -20,6 +20,8 @@
 extern "C" {
 #endif
 
+#include "planner.h"
+
 typedef struct SQueryProfileSummary {
   int64_t startTs;      // Object created and added into the message queue
   int64_t endTs;        // the timestamp when the task is completed
@@ -43,43 +45,23 @@ typedef struct SQueryProfileSummary {
   uint64_t resultSize;   // generated result size in Kb.
 } SQueryProfileSummary;
 
-typedef struct SQueryTask {
-  uint64_t            queryId; // query id
-  uint64_t            taskId;  // task id
-  char     *pSubplan;   // operator tree
-  uint64_t            status;  // task status
-  SQueryProfileSummary summary; // task execution summary
-  void               *pOutputHandle; // result buffer handle, to temporarily keep the output result for next stage
-} SQueryTask;
-
-typedef struct SQueryJob {
-  SArray  **pSubtasks;
-  // todo
-} SQueryJob;
-
 /**
  * Process the query job, generated according to the query physical plan.
  * This is a synchronized API, and is also thread-safety.
  * @param pJob
  * @return
  */
-int32_t qProcessQueryJob(struct SQueryJob* pJob);
+int32_t scheduleQueryJob(SQueryDag* pDag, void** pJob);
+
+int32_t scheduleFetchRows(void *pJob, void *data);
 
-/**
- * The SSqlObj should not be here????
- * @param pSql
- * @param pVgroupId
- * @param pRetVgroupId
- * @return
- */
-//SArray* qGetInvolvedVgroupIdList(struct SSqlObj* pSql, SArray* pVgroupId, SArray* pRetVgroupId);
 
 /**
  * Cancel query job
  * @param pJob
  * @return
  */
-int32_t qKillQueryJob(struct SQueryJob* pJob);
+int32_t scheduleCancelJob(void *pJob);
 
 #ifdef __cplusplus
 }

source/libs/scheduler/inc/schedulerInt.h

@@ -31,6 +31,20 @@ typedef struct SQuery {
   int32_t      currentLevel;
 } SQuery;
 
+typedef struct SQueryTask {
+  uint64_t            queryId; // query id
+  uint64_t            taskId;  // task id
+  char     *pSubplan;   // operator tree
+  uint64_t            status;  // task status
+  SQueryProfileSummary summary; // task execution summary
+  void               *pOutputHandle; // result buffer handle, to temporarily keep the output result for next stage
+} SQueryTask;
+
+typedef struct SQueryJob {
+  SArray  **pSubtasks;
+  // todo
+} SQueryJob;
+
 #ifdef __cplusplus
 }
 #endif

source/libs/scheduler/src/scheduler.c

@@ -14,3 +14,44 @@
  */
 
 #include "schedulerInt.h"
+#include "taosmsg.h"
+
+
+int32_t schBuildAndSendRequest(void *pRpc, const SEpSet* pMgmtEps, __taos_async_fn_t fp) {
+/*
+  SRequestObj *pRequest = createRequest(pTscObj, fp, param, TSDB_SQL_CONNECT);
+  if (pRequest == NULL) {
+    return TSDB_CODE_TSC_OUT_OF_MEMORY;
+  }
+
+  SRequestMsgBody body = {0};
+  buildConnectMsg(pRequest, &body);
+
+  int64_t transporterId = 0;
+  sendMsgToServer(pTscObj->pTransporter, &pTscObj->pAppInfo->mgmtEp.epSet, &body, &transporterId);
+
+  tsem_wait(&pRequest->body.rspSem);
+  destroyConnectMsg(&body);
+
+  if (pRequest->code != TSDB_CODE_SUCCESS) {
+    const char *errorMsg = (pRequest->code == TSDB_CODE_RPC_FQDN_ERROR) ? taos_errstr(pRequest) : tstrerror(terrno);
+    printf("failed to connect to server, reason: %s\n\n", errorMsg);
+
+    destroyRequest(pRequest);
+    taos_close(pTscObj);
+    pTscObj = NULL;
+  } else {
+    tscDebug("0x%"PRIx64" connection is opening, connId:%d, dnodeConn:%p", pTscObj->id, pTscObj->connId, pTscObj->pTransporter);
+    destroyRequest(pRequest);
+  }
+*/  
+}
+
+
+int32_t scheduleQueryJob(SQueryDag* pDag, void** pJob);
+
+int32_t scheduleFetchRows(void *pJob, void *data);
+
+int32_t scheduleCancelJob(void *pJob);
+
+