TD-13981 show databases rewrite

include/libs/nodes/plannodes.h

@@ -147,9 +147,13 @@ typedef struct SScanPhysiNode {
   SName tableName;
 } SScanPhysiNode;
 
-typedef SScanPhysiNode SSystemTableScanPhysiNode;
 typedef SScanPhysiNode STagScanPhysiNode;
 
+typedef struct SSystemTableScanPhysiNode {
+  SScanPhysiNode scan;
+  SEpSet mgmtEpSet;
+} SSystemTableScanPhysiNode;
+
 typedef struct STableScanPhysiNode {
   SScanPhysiNode scan;
   uint8_t scanFlag;         // denotes reversed scan of data or not

include/libs/planner/planner.h

@@ -25,6 +25,7 @@ extern "C" {
 typedef struct SPlanContext {
   uint64_t queryId;
   int32_t acctId;
+  SEpSet mgmtEpSet;
   SNode* pAstRoot;
 } SPlanContext;
 

source/client/src/clientImpl.c

@@ -194,7 +194,12 @@ int32_t execDdlQuery(SRequestObj* pRequest, SQuery* pQuery) {
 
 int32_t getPlan(SRequestObj* pRequest, SQuery* pQuery, SQueryPlan** pPlan, SArray* pNodeList) {
   pRequest->type = pQuery->msgType;
-  SPlanContext cxt = { .queryId = pRequest->requestId, .pAstRoot = pQuery->pRoot, .acctId = pRequest->pTscObj->acctId };
+  SPlanContext cxt = {
+    .queryId = pRequest->requestId,
+    .acctId = pRequest->pTscObj->acctId,
+    .mgmtEpSet = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp),
+    .pAstRoot = pQuery->pRoot
+  };
   int32_t  code = qCreateQueryPlan(&cxt, pPlan, pNodeList);
   if (code != 0) {
     return code;

source/libs/nodes/src/nodesCodeFuncs.c

@@ -442,12 +442,85 @@ static int32_t jsonToPhysiTableScanNode(const SJson* pJson, void* pObj) {
   return code;
 }
 
+static const char* jkEndPointFqdn = "Fqdn";
+static const char* jkEndPointPort = "Port";
+
+static int32_t epToJson(const void* pObj, SJson* pJson) {
+  const SEp* pNode = (const SEp*)pObj;
+
+  int32_t code = tjsonAddStringToObject(pJson, jkEndPointFqdn, pNode->fqdn);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddIntegerToObject(pJson, jkEndPointPort, pNode->port);
+  }
+
+  return code;
+}
+
+static int32_t jsonToEp(const SJson* pJson, void* pObj) {
+  SEp* pNode = (SEp*)pObj;
+
+  int32_t code = tjsonGetStringValue(pJson, jkEndPointFqdn, pNode->fqdn);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetSmallIntValue(pJson, jkEndPointPort, &pNode->port);
+  }
+
+  return code;
+}
+
+static const char* jkEpSetInUse = "InUse";
+static const char* jkEpSetNumOfEps = "NumOfEps";
+static const char* jkEpSetEps = "Eps";
+
+static int32_t epSetToJson(const void* pObj, SJson* pJson) {
+  const SEpSet* pNode = (const SEpSet*)pObj;
+
+  int32_t code = tjsonAddIntegerToObject(pJson, jkEpSetInUse, pNode->inUse);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddIntegerToObject(pJson, jkEpSetNumOfEps, pNode->numOfEps);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddArray(pJson, jkEpSetEps, epToJson, pNode->eps, sizeof(SEp), pNode->numOfEps);
+  }
+
+  return code;
+}
+
+static int32_t jsonToEpSet(const SJson* pJson, void* pObj) {
+  SEpSet* pNode = (SEpSet*)pObj;
+
+  int32_t code = tjsonGetTinyIntValue(pJson, jkEpSetInUse, &pNode->inUse);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetTinyIntValue(pJson, jkEpSetNumOfEps, &pNode->numOfEps);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonToArray(pJson, jkEpSetEps, jsonToEp, pNode->eps, sizeof(SEp));
+  }
+
+  return code;
+}
+
+static const char* jkSysTableScanPhysiPlanMnodeEpSet = "MnodeEpSet";
+
 static int32_t physiSysTableScanNodeToJson(const void* pObj, SJson* pJson) {
-  return physiScanNodeToJson(pObj, pJson);
+  const SSystemTableScanPhysiNode* pNode = (const SSystemTableScanPhysiNode*)pObj;
+
+  int32_t code = physiScanNodeToJson(pObj, pJson);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddObject(pJson, jkSysTableScanPhysiPlanMnodeEpSet, epSetToJson, &pNode->mgmtEpSet);
+  }
+
+  return code;
 }
 
 static int32_t jsonToPhysiSysTableScanNode(const SJson* pJson, void* pObj) {
-  return jsonToPhysiScanNode(pJson, pObj);
+  SSystemTableScanPhysiNode* pNode = (SSystemTableScanPhysiNode*)pObj;
+
+  int32_t code = jsonToPhysiScanNode(pJson, pObj);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonToObject(pJson, jkSysTableScanPhysiPlanMnodeEpSet, jsonToEpSet, &pNode->mgmtEpSet);
+  }
+
+  return code;
 }
 
 static const char* jkProjectPhysiPlanProjections = "Projections";
@@ -635,31 +708,6 @@ static int32_t jsonToSubplanId(const SJson* pJson, void* pObj) {
   return code;
 }
 
-static const char* jkEndPointFqdn = "Fqdn";
-static const char* jkEndPointPort = "Port";
-
-static int32_t epToJson(const void* pObj, SJson* pJson) {
-  const SEp* pNode = (const SEp*)pObj;
-
-  int32_t code = tjsonAddStringToObject(pJson, jkEndPointFqdn, pNode->fqdn);
-  if (TSDB_CODE_SUCCESS == code) {
-    code = tjsonAddIntegerToObject(pJson, jkEndPointPort, pNode->port);
-  }
-
-  return code;
-}
-
-static int32_t jsonToEp(const SJson* pJson, void* pObj) {
-  SEp* pNode = (SEp*)pObj;
-
-  int32_t code = tjsonGetStringValue(pJson, jkEndPointFqdn, pNode->fqdn);
-  if (TSDB_CODE_SUCCESS == code) {
-    code = tjsonGetSmallIntValue(pJson, jkEndPointPort, &pNode->port);
-  }
-
-  return code;
-}
-
 static const char* jkQueryNodeAddrId = "Id";
 static const char* jkQueryNodeAddrInUse = "InUse";
 static const char* jkQueryNodeAddrNumOfEps = "NumOfEps";

source/libs/planner/src/planPhysiCreater.c

@@ -268,6 +268,7 @@ static SPhysiNode* createSystemTableScanPhysiNode(SPhysiPlanContext* pCxt, SScan
     vgroupInfoToNodeAddr(pScanLogicNode->pVgroupList->vgroups + i, &addr);
     taosArrayPush(pCxt->pExecNodeList, &addr);
   }
+  pScan->mgmtEpSet = pCxt->pPlanCxt->mgmtEpSet;
   return (SPhysiNode*)pScan;
 }