fix: fix explain buffer issue

source/common/src/tmsg.c

@@ -5123,8 +5123,15 @@ int tDecodeSVCreateTbRsp(SDecoder *pCoder, SVCreateTbRsp *pRsp) {
 }
 
 void tFreeSVCreateTbRsp(void* param) {
+  if (NULL == param) {
+    return;
+  }
+  
   SVCreateTbRsp* pRsp = (SVCreateTbRsp*)param;
-  taosMemoryFree(pRsp->pMeta);
+  if (pRsp->pMeta) {
+    taosMemoryFree(pRsp->pMeta->pSchemas);
+    taosMemoryFree(pRsp->pMeta);
+  }
 }
 
 // TDMT_VND_DROP_TABLE =================

source/libs/nodes/src/nodesToSQLFuncs.c

@@ -135,7 +135,12 @@ int32_t nodesNodeToSQL(SNode *pNode, char *buf, int32_t bufSize, int32_t *len) {
         NODES_ERR_RET(TSDB_CODE_QRY_APP_ERROR);
       }
 
-      *len += snprintf(buf + *len, bufSize - *len, "%s", t);
+      int32_t tlen = strlen(t);
+      if (tlen > 32) {
+        *len += snprintf(buf + *len, bufSize - *len, "%.*s...%s", 32, t, t + tlen - 1);
+      } else {
+        *len += snprintf(buf + *len, bufSize - *len, "%s", t);
+      }
       taosMemoryFree(t);
 
       return TSDB_CODE_SUCCESS;
@@ -199,12 +204,17 @@ int32_t nodesNodeToSQL(SNode *pNode, char *buf, int32_t bufSize, int32_t *len) {
       SNodeListNode *pListNode = (SNodeListNode *)pNode;
       SNode         *node = NULL;
       bool           first = true;
+      int32_t        num = 0;
 
       *len += snprintf(buf + *len, bufSize - *len, "(");
 
       FOREACH(node, pListNode->pNodeList) {
         if (!first) {
           *len += snprintf(buf + *len, bufSize - *len, ", ");
+          if (++num >= 10) {
+            *len += snprintf(buf + *len, bufSize - *len, "...");
+            break;
+          }
         }
         NODES_ERR_RET(nodesNodeToSQL(node, buf, bufSize, len));
         first = false;

source/util/test/hashTest.cpp

@@ -313,14 +313,12 @@ void perfTest() {
   SArray *slArray = taosArrayInit(100000000, 9);
   for (int64_t i = 0; i < 1000; ++i) {
     int32_t num = taosArrayGetSize(sArray[i]);
-    printf("%d ", num);
     SArray* pArray = sArray[i];
     for (int64_t m = 0; m < num; ++m) {
       char* p = (char*)taosArrayGet(pArray, m);
       ASSERT(taosArrayPush(slArray, p));
     }
   }
-  printf("\n");
   int64_t start100mS = taosGetTimestampMs();
   int64_t start100mSCt = taosHashGetCompTimes(hash100m);
   int32_t num = taosArrayGetSize(slArray);