TD-6129<feature> add tag-> select logic

src/client/src/tscSQLParser.c

@@ -4619,7 +4619,10 @@ static int32_t handleExprInQueryCond(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, tSql
       //                ret = setExprToCond(pCmd, &pCondExpr->pTagCond,
       //                *pExpr, NULL, parentOptr);
       tSqlExpr *rexpr = NULL;
-      if ((*pExpr)->tokenId == TK_NE && (pSchema->type != TSDB_DATA_TYPE_BINARY && pSchema->type != TSDB_DATA_TYPE_NCHAR && pSchema->type != TSDB_DATA_TYPE_BOOL)) {
+      if ((*pExpr)->tokenId == TK_NE && (pSchema->type != TSDB_DATA_TYPE_BINARY
+                                         && pSchema->type != TSDB_DATA_TYPE_NCHAR
+                                         && pSchema->type != TSDB_DATA_TYPE_BOOL
+                                         && pSchema->type != TSDB_DATA_TYPE_JSON)) {
         handleNeOptr(&rexpr, *pExpr);
         *pExpr = rexpr;
       }
@@ -6063,10 +6066,6 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
       return invalidOperationMsg(pMsg, msg14);
     }
 
-    if (pTagsSchema->type == TSDB_DATA_TYPE_JSON && (pItem->pVar.nLen > TSDB_MAX_TAGS_LEN)) {
-      return invalidOperationMsg(pMsg, msg14);
-    }
-
     int32_t schemaLen = sizeof(STColumn) * numOfTags;
     int32_t size = sizeof(SUpdateTableTagValMsg) + pTagsSchema->bytes + schemaLen + TSDB_EXTRA_PAYLOAD_SIZE;
 

src/client/src/tscUtil.c

@@ -73,6 +73,7 @@ int32_t converToStr(char *str, int type, void *buf, int32_t bufSize, int32_t *le
 
     case TSDB_DATA_TYPE_BINARY:
     case TSDB_DATA_TYPE_NCHAR:
+    case TSDB_DATA_TYPE_JSON:
       if (bufSize < 0) {
         tscError("invalid buf size");
         return TSDB_CODE_TSC_INVALID_VALUE;

src/query/src/qFilter.c

@@ -1531,7 +1531,7 @@ void filterDumpInfoToString(SFilterInfo *info, const char *msg, int32_t options)
         if (unit->right.type == FLD_TYPE_VALUE && FILTER_UNIT_OPTR(unit) != TSDB_RELATION_IN) {
           SFilterField *right = FILTER_UNIT_RIGHT_FIELD(info, unit);
           char *data = right->data;
-          if (IS_VAR_DATA_TYPE(type)) {
+          if (IS_VAR_DATA_TYPE(type) || type == TSDB_DATA_TYPE_JSON) {
             tlen = varDataLen(data);
             data += VARSTR_HEADER_SIZE;
           }
@@ -1548,7 +1548,7 @@ void filterDumpInfoToString(SFilterInfo *info, const char *msg, int32_t options)
           if (unit->right2.type == FLD_TYPE_VALUE && FILTER_UNIT_OPTR(unit) != TSDB_RELATION_IN) {
             SFilterField *right = FILTER_UNIT_RIGHT2_FIELD(info, unit);
             char *data = right->data;
-            if (IS_VAR_DATA_TYPE(type)) {
+            if (IS_VAR_DATA_TYPE(type) || type == TSDB_DATA_TYPE_JSON) {
               tlen = varDataLen(data);
               data += VARSTR_HEADER_SIZE;
             }