fix:modify dot to underline in schemaless supertable name

source/client/inc/clientSml.h

@@ -258,6 +258,7 @@ int32_t smlParseInfluxString(SSmlHandle *info, char *sql, char *sqlEnd, SSmlLine
 int32_t smlParseTelnetString(SSmlHandle *info, char *sql, char *sqlEnd, SSmlLineInfo *elements);
 int32_t smlParseJSON(SSmlHandle *info, char *payload);
 
+void    smlStrReplace(char* src, int32_t len);
 #ifdef __cplusplus
 }
 #endif

source/client/src/clientSml.c

@@ -114,6 +114,14 @@ inline bool smlDoubleToInt64OverFlow(double num) {
   return false;
 }
 
+void smlStrReplace(char* src, int32_t len){
+  for(int i = 0; i < len; i++){
+    if(src[i] == '.'){
+      src[i] = '_';
+    }
+  }
+}
+
 int32_t smlBuildInvalidDataMsg(SSmlMsgBuf *pBuf, const char *msg1, const char *msg2) {
   if (pBuf->buf) {
     memset(pBuf->buf, 0, pBuf->len);
@@ -838,6 +846,7 @@ static int32_t smlModifyDBSchemas(SSmlHandle *info) {
     char  *measure = taosMemoryMalloc(superTableLen);
     memcpy(measure, superTable, superTableLen);
     PROCESS_SLASH_IN_MEASUREMENT(measure, superTableLen);
+    smlStrReplace(measure, superTableLen);
     memset(pName.tname, 0, TSDB_TABLE_NAME_LEN);
     memcpy(pName.tname, measure, superTableLen);
     taosMemoryFree(measure);
@@ -1051,7 +1060,8 @@ static int32_t smlModifyDBSchemas(SSmlHandle *info) {
     taosMemoryFreeClear(sTableData->tableMeta);
     sTableData->tableMeta = pTableMeta;
     uDebug("SML:0x%" PRIx64 "modify schema uid:%" PRIu64 ", sversion:%d, tversion:%d", info->id, pTableMeta->uid,
-           pTableMeta->sversion, pTableMeta->tversion) tmp = (SSmlSTableMeta **)taosHashIterate(info->superTables, tmp);
+           pTableMeta->sversion, pTableMeta->tversion);
+    tmp = (SSmlSTableMeta **)taosHashIterate(info->superTables, tmp);
   }
   uDebug("SML:0x%" PRIx64 " smlModifyDBSchemas end success, format:%d, needModifySchema:%d", info->id, info->dataFormat,
          info->needModifySchema);
@@ -1394,7 +1404,14 @@ static int32_t smlInsertData(SSmlHandle *info) {
   SSmlTableInfo **oneTable = (SSmlTableInfo **)taosHashIterate(info->childTables, NULL);
   while (oneTable) {
     SSmlTableInfo *tableData = *oneTable;
-    tstrncpy(pName.tname, tableData->sTableName, tableData->sTableNameLen + 1);
+
+    int   measureLen = tableData->sTableNameLen;
+    char *measure = (char *)taosMemoryMalloc(tableData->sTableNameLen);
+    memcpy(measure, tableData->sTableName, tableData->sTableNameLen);
+    PROCESS_SLASH_IN_MEASUREMENT(measure, measureLen);
+    smlStrReplace(measure, measureLen);
+
+    tstrncpy(pName.tname, measure, measureLen + 1);
 
     if (info->pRequest->tableList == NULL) {
       info->pRequest->tableList = taosArrayInit(1, sizeof(SName));
@@ -1411,6 +1428,7 @@ static int32_t smlInsertData(SSmlHandle *info) {
 
     code = smlCheckAuth(info, &conn, pName.tname, AUTH_TYPE_WRITE);
     if(code != TSDB_CODE_SUCCESS){
+      taosMemoryFree(measure);
       return code;
     }
 
@@ -1418,6 +1436,7 @@ static int32_t smlInsertData(SSmlHandle *info) {
     code = catalogGetTableHashVgroup(info->pCatalog, &conn, &pName, &vg);
     if (code != TSDB_CODE_SUCCESS) {
       uError("SML:0x%" PRIx64 " catalogGetTableHashVgroup failed. table name: %s", info->id, tableData->childTableName);
+      taosMemoryFree(measure);
       return code;
     }
     taosHashPut(info->pVgHash, (const char *)&vg.vgId, sizeof(vg.vgId), (char *)&vg, sizeof(vg));
@@ -1426,6 +1445,7 @@ static int32_t smlInsertData(SSmlHandle *info) {
         (SSmlSTableMeta **)taosHashGet(info->superTables, tableData->sTableName, tableData->sTableNameLen);
     if (unlikely(NULL == pMeta || NULL == (*pMeta)->tableMeta)) {
       uError("SML:0x%" PRIx64 " NULL == pMeta. table name: %s", info->id, tableData->childTableName);
+      taosMemoryFree(measure);
       return TSDB_CODE_SML_INTERNAL_ERROR;
     }
 
@@ -1435,11 +1455,6 @@ static int32_t smlInsertData(SSmlHandle *info) {
     uDebug("SML:0x%" PRIx64 " smlInsertData table:%s, uid:%" PRIu64 ", format:%d", info->id, pName.tname,
            tableData->uid, info->dataFormat);
 
-    int   measureLen = tableData->sTableNameLen;
-    char *measure = (char *)taosMemoryMalloc(tableData->sTableNameLen);
-    memcpy(measure, tableData->sTableName, tableData->sTableNameLen);
-    PROCESS_SLASH_IN_MEASUREMENT(measure, measureLen);
-
     code = smlBindData(info->pQuery, info->dataFormat, tableData->tags, (*pMeta)->cols, tableData->cols,
                        (*pMeta)->tableMeta, tableData->childTableName, measure, measureLen, info->ttl, info->msgBuf.buf,
                        info->msgBuf.len);

source/client/src/clientSmlLine.c

@@ -157,6 +157,7 @@ static int32_t smlParseTagKv(SSmlHandle *info, char **sql, char *sqlEnd, SSmlLin
           measure = (char *)taosMemoryMalloc(currElement->measureLen);
           memcpy(measure, currElement->measure, currElement->measureLen);
           PROCESS_SLASH_IN_MEASUREMENT(measure, measureLen);
+          smlStrReplace(measure, measureLen);
         }
         STableMeta *pTableMeta = smlGetMeta(info, measure, measureLen);
         if (currElement->measureEscaped) {
@@ -365,6 +366,7 @@ static int32_t smlParseColKv(SSmlHandle *info, char **sql, char *sqlEnd, SSmlLin
           measure = (char *)taosMemoryMalloc(currElement->measureLen);
           memcpy(measure, currElement->measure, currElement->measureLen);
           PROCESS_SLASH_IN_MEASUREMENT(measure, measureLen);
+          smlStrReplace(measure, measureLen);
         }
         STableMeta *pTableMeta = smlGetMeta(info, measure, measureLen);
         if (currElement->measureEscaped) {

tests/system-test/2-query/sml.py

@@ -101,6 +101,15 @@ class TDTestCase:
 
         tdSql.query(f"desc {dbname}.macylr")
         tdSql.checkRows(25)
+
+        tdSql.query(f"select * from ts3724._stb_2")
+        tdSql.checkRows(1)
+
+        tdSql.query(f"select * from ts3724.stb_2")
+        tdSql.checkRows(1)
+
+        tdSql.query(f"select * from ts3724.stb2_")
+        tdSql.checkRows(1)
         return
 
     def run(self):

utils/test/c/sml_test.c

@@ -1522,6 +1522,36 @@ int sml_ts2385_Test() {
   return code;
 }
 
+int sml_ts3724_Test() {
+  TAOS *taos = taos_connect("localhost", "root", "taosdata", NULL, 0);
+
+  TAOS_RES *pRes = taos_query(taos, "drop database if exists ts3724");
+  taos_free_result(pRes);
+
+  pRes = taos_query(taos, "create database if not exists ts3724");
+  taos_free_result(pRes);
+
+  const char *sql[] = {
+      "stb.2,t1=1 f1=283i32 1632299372000",
+      ".stb2,t1=1 f1=106i32 1632299378000",
+      "stb2.,t1=1 f1=106i32 1632299378000",
+  };
+
+  pRes = taos_query(taos, "use ts3724");
+  taos_free_result(pRes);
+
+  pRes = taos_schemaless_insert(taos, (char **)sql, sizeof(sql) / sizeof(sql[0]), TSDB_SML_LINE_PROTOCOL,
+                                    TSDB_SML_TIMESTAMP_MILLI_SECONDS);
+
+  int code = taos_errno(pRes);
+  printf("%s result0:%s\n", __FUNCTION__, taos_errstr(pRes));
+  taos_free_result(pRes);
+
+  taos_close(taos);
+
+  return code;
+}
+
 int main(int argc, char *argv[]) {
   if (argc == 2) {
     taos_options(TSDB_OPTION_CONFIGDIR, argv[1]);
@@ -1579,5 +1609,8 @@ int main(int argc, char *argv[]) {
   ASSERT(!ret);
   ret = sml_19221_Test();
   ASSERT(!ret);
+  ret = sml_ts3724_Test();
+  ASSERT(!ret);
+
   return ret;
 }