add scope for information_schema.ins_dnode_variables

source/common/src/systable.c

@@ -271,6 +271,7 @@ static const SSysDbTableSchema variablesSchema[] = {
     {.name = "dnode_id", .bytes = 4, .type = TSDB_DATA_TYPE_INT},
     {.name = "name", .bytes = TSDB_CONFIG_OPTION_LEN + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = true},
     {.name = "value", .bytes = TSDB_CONFIG_VALUE_LEN + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = true},
+    {.name = "scope", .bytes = TSDB_CONFIG_SCOPE_LEN + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = true},
 };
 
 static const SSysDbTableSchema topicSchema[] = {

source/dnode/mgmt/mgmt_dnode/src/dmHandle.c

@@ -265,6 +265,12 @@ int32_t dmAppendVariablesToBlock(SSDataBlock *pBlock, int32_t dnodeId) {
     pColInfo = taosArrayGet(pBlock->pDataBlock, c++);
     colDataSetVal(pColInfo, i, value, false);
 
+    char scope[TSDB_CONFIG_SCOPE_LEN + VARSTR_HEADER_SIZE] = {0};
+    cfgDumpItemScope(pItem, &scope[VARSTR_HEADER_SIZE], TSDB_CONFIG_SCOPE_LEN, &valueLen);
+    varDataSetLen(scope, valueLen);
+    pColInfo = taosArrayGet(pBlock->pDataBlock, c++);
+    colDataSetVal(pColInfo, i, scope, false);
+
     numOfRows++;
   }
 

source/libs/command/src/command.c

@@ -807,7 +807,6 @@ int32_t setLocalVariablesResultIntoDataBlock(SSDataBlock* pBlock) {
     colDataSetVal(pColInfo, i, value, false);
 
     char scope[TSDB_CONFIG_SCOPE_LEN + VARSTR_HEADER_SIZE] = {0};
-    valueLen = 0;
     cfgDumpItemScope(pItem, &scope[VARSTR_HEADER_SIZE], TSDB_CONFIG_SCOPE_LEN, &valueLen);
     varDataSetLen(scope, valueLen);
     pColInfo = taosArrayGet(pBlock->pDataBlock, c++);