Merge pull request #17409 from taosdata/feature/TD-19221-3.0

feat:add new interface for schemaless

include/client/taos.h

@@ -198,6 +198,7 @@ DLL_EXPORT const void *taos_get_raw_block(TAOS_RES *res);
 
 DLL_EXPORT int       taos_load_table_info(TAOS *taos, const char *tableNameList);
 DLL_EXPORT TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int protocol, int precision);
+DLL_EXPORT TAOS_RES *taos_schemaless_insert_raw(TAOS* taos, char* lines, int len, int32_t *totalRows, int protocol, int precision);
 
 /* --------------------------TMQ INTERFACE------------------------------- */
 

source/client/src/clientSml.c

@@ -28,8 +28,8 @@
 #define QUOTE '"'
 #define SLASH '\\'
 
-#define JUMP_SPACE(sql)  \
-  while (*sql != '\0') { \
+#define JUMP_SPACE(sql, sqlEnd)  \
+  while (sql < sqlEnd) { \
     if (*sql == SPACE)   \
       sql++;             \
     else                 \
@@ -917,16 +917,17 @@ static int32_t smlParseValue(SSmlKv *pVal, SSmlMsgBuf *msg) {
   return TSDB_CODE_TSC_INVALID_VALUE;
 }
 
-static int32_t smlParseInfluxString(const char *sql, SSmlLineInfo *elements, SSmlMsgBuf *msg) {
+static int32_t smlParseInfluxString(const char *sql, const char *sqlEnd, SSmlLineInfo *elements, SSmlMsgBuf *msg) {
   if (!sql) return TSDB_CODE_SML_INVALID_DATA;
-  JUMP_SPACE(sql)
+  JUMP_SPACE(sql, sqlEnd)
   if (*sql == COMMA) return TSDB_CODE_SML_INVALID_DATA;
   elements->measure = sql;
 
   // parse measure
-  while (*sql != '\0') {
+  while (sql < sqlEnd) {
     if ((sql != elements->measure) && IS_SLASH_LETTER(sql)) {
-      MOVE_FORWARD_ONE(sql, strlen(sql) + 1);
+      MOVE_FORWARD_ONE(sql, sqlEnd - sql);
+      sqlEnd--;
       continue;
     }
     if (IS_COMMA(sql)) {
@@ -950,7 +951,7 @@ static int32_t smlParseInfluxString(const char *sql, SSmlLineInfo *elements, SSm
   } else {
     if (*sql == COMMA) sql++;
     elements->tags = sql;
-    while (*sql != '\0') {
+    while (sql < sqlEnd) {
       if (IS_SPACE(sql)) {
         break;
       }
@@ -961,10 +962,10 @@ static int32_t smlParseInfluxString(const char *sql, SSmlLineInfo *elements, SSm
   elements->measureTagsLen = sql - elements->measure;
 
   // parse cols
-  JUMP_SPACE(sql)
+  JUMP_SPACE(sql, sqlEnd)
   elements->cols = sql;
   bool isInQuote = false;
-  while (*sql != '\0') {
+  while (sql < sqlEnd) {
     if (IS_QUOTE(sql)) {
       isInQuote = !isInQuote;
     }
@@ -984,10 +985,10 @@ static int32_t smlParseInfluxString(const char *sql, SSmlLineInfo *elements, SSm
   }
 
   // parse timestamp
-  JUMP_SPACE(sql)
+  JUMP_SPACE(sql, sqlEnd)
   elements->timestamp = sql;
-  while (*sql != '\0') {
-    if (*sql == SPACE) {
+  while (sql < sqlEnd) {
+    if (isspace(*sql)) {
       break;
     }
     sql++;
@@ -997,8 +998,8 @@ static int32_t smlParseInfluxString(const char *sql, SSmlLineInfo *elements, SSm
   return TSDB_CODE_SUCCESS;
 }
 
-static void smlParseTelnetElement(const char **sql, const char **data, int32_t *len) {
-  while (**sql != '\0') {
+static void smlParseTelnetElement(const char **sql, const char *sqlEnd, const char **data, int32_t *len) {
+  while (*sql < sqlEnd) {
     if (**sql != SPACE && !(*data)) {
       *data = *sql;
     } else if (**sql == SPACE && *data) {
@@ -1009,20 +1010,20 @@ static void smlParseTelnetElement(const char **sql, const char **data, int32_t *
   }
 }
 
-static int32_t smlParseTelnetTags(const char *data, SArray *cols, char *childTableName, SHashObj *dumplicateKey,
+static int32_t smlParseTelnetTags(const char *data, const char *sqlEnd, SArray *cols, char *childTableName, SHashObj *dumplicateKey,
                                   SSmlMsgBuf *msg) {
   if(!cols) return TSDB_CODE_OUT_OF_MEMORY;
   const char *sql = data;
   size_t      childTableNameLen = strlen(tsSmlChildTableName);
-  while (*sql != '\0') {
-    JUMP_SPACE(sql)
+  while (sql < sqlEnd) {
+    JUMP_SPACE(sql, sqlEnd)
     if (*sql == '\0') break;
 
     const char *key = sql;
     int32_t     keyLen = 0;
 
     // parse key
-    while (*sql != '\0') {
+    while (sql < sqlEnd) {
       if (*sql == SPACE) {
         smlBuildInvalidDataMsg(msg, "invalid data", sql);
         return TSDB_CODE_SML_INVALID_DATA;
@@ -1047,7 +1048,7 @@ static int32_t smlParseTelnetTags(const char *data, SArray *cols, char *childTab
     // parse value
     const char *value = sql;
     int32_t     valueLen = 0;
-    while (*sql != '\0') {
+    while (sql < sqlEnd) {
       // parse value
       if (*sql == SPACE) {
         break;
@@ -1092,11 +1093,11 @@ static int32_t smlParseTelnetTags(const char *data, SArray *cols, char *childTab
 }
 
 // format: <metric> <timestamp> <value> <tagk_1>=<tagv_1>[ <tagk_n>=<tagv_n>]
-static int32_t smlParseTelnetString(SSmlHandle *info, const char *sql, SSmlTableInfo *tinfo, SArray *cols) {
+static int32_t smlParseTelnetString(SSmlHandle *info, const char *sql, const char *sqlEnd, SSmlTableInfo *tinfo, SArray *cols) {
   if (!sql) return TSDB_CODE_SML_INVALID_DATA;
 
   // parse metric
-  smlParseTelnetElement(&sql, &tinfo->sTableName, &tinfo->sTableNameLen);
+  smlParseTelnetElement(&sql, sqlEnd, &tinfo->sTableName, &tinfo->sTableNameLen);
   if (!(tinfo->sTableName) || IS_INVALID_TABLE_LEN(tinfo->sTableNameLen)) {
     smlBuildInvalidDataMsg(&info->msgBuf, "invalid data", sql);
     return TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
@@ -1105,7 +1106,7 @@ static int32_t smlParseTelnetString(SSmlHandle *info, const char *sql, SSmlTable
   // parse timestamp
   const char *timestamp = NULL;
   int32_t     tLen = 0;
-  smlParseTelnetElement(&sql, &timestamp, &tLen);
+  smlParseTelnetElement(&sql, sqlEnd, &timestamp, &tLen);
   if (!timestamp || tLen == 0) {
     smlBuildInvalidDataMsg(&info->msgBuf, "invalid timestamp", sql);
     return TSDB_CODE_SML_INVALID_DATA;
@@ -1120,7 +1121,7 @@ static int32_t smlParseTelnetString(SSmlHandle *info, const char *sql, SSmlTable
   // parse value
   const char *value = NULL;
   int32_t     valueLen = 0;
-  smlParseTelnetElement(&sql, &value, &valueLen);
+  smlParseTelnetElement(&sql, sqlEnd, &value, &valueLen);
   if (!value || valueLen == 0) {
     smlBuildInvalidDataMsg(&info->msgBuf, "invalid value", sql);
     return TSDB_CODE_TSC_INVALID_VALUE;
@@ -1138,7 +1139,7 @@ static int32_t smlParseTelnetString(SSmlHandle *info, const char *sql, SSmlTable
   }
 
   // parse tags
-  ret = smlParseTelnetTags(sql, tinfo->tags, tinfo->childTableName, info->dumplicateKey, &info->msgBuf);
+  ret = smlParseTelnetTags(sql, sqlEnd, tinfo->tags, tinfo->childTableName, info->dumplicateKey, &info->msgBuf);
   if (ret != TSDB_CODE_SUCCESS) {
     smlBuildInvalidDataMsg(&info->msgBuf, "invalid data", sql);
     return ret;
@@ -2073,11 +2074,11 @@ static int32_t smlParseJSONString(SSmlHandle *info, cJSON *root, SSmlTableInfo *
 }
 /************* TSDB_SML_JSON_PROTOCOL function end **************/
 
-static int32_t smlParseInfluxLine(SSmlHandle *info, const char *sql) {
+static int32_t smlParseInfluxLine(SSmlHandle *info, const char *sql, const int len) {
   SSmlLineInfo elements = {0};
   uDebug("SML:0x%" PRIx64 " smlParseInfluxLine sql:%s, hello", info->id, sql);
 
-  int ret = smlParseInfluxString(sql, &elements, &info->msgBuf);
+  int ret = smlParseInfluxString(sql, sql + len, &elements, &info->msgBuf);
   if (ret != TSDB_CODE_SUCCESS) {
     uError("SML:0x%" PRIx64 " smlParseInfluxLine failed", info->id);
     return ret;
@@ -2184,7 +2185,7 @@ static int32_t smlParseInfluxLine(SSmlHandle *info, const char *sql) {
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t smlParseTelnetLine(SSmlHandle *info, void *data) {
+static int32_t smlParseTelnetLine(SSmlHandle *info, void *data, const int len) {
   int            ret = TSDB_CODE_SUCCESS;
   SSmlTableInfo *tinfo = smlBuildTableInfo();
   if (!tinfo) {
@@ -2198,7 +2199,7 @@ static int32_t smlParseTelnetLine(SSmlHandle *info, void *data) {
   }
 
   if (info->protocol == TSDB_SML_TELNET_PROTOCOL) {
-    ret = smlParseTelnetString(info, (const char *)data, tinfo, cols);
+    ret = smlParseTelnetString(info, (const char *)data, (char*)data + len, tinfo, cols);
   } else if (info->protocol == TSDB_SML_JSON_PROTOCOL) {
     ret = smlParseJSONString(info, (cJSON *)data, tinfo, cols);
   } else {
@@ -2289,7 +2290,7 @@ static int32_t smlParseJSON(SSmlHandle *info, char *payload) {
 
   for (int32_t i = 0; i < payloadNum; ++i) {
     cJSON *dataPoint = (payloadNum == 1 && cJSON_IsObject(root)) ? root : cJSON_GetArrayItem(root, i);
-    ret = smlParseTelnetLine(info, dataPoint);
+    ret = smlParseTelnetLine(info, dataPoint, -1);
     if (ret != TSDB_CODE_SUCCESS) {
       uError("SML:0x%" PRIx64 " Invalid JSON Payload", info->id);
       goto end;
@@ -2378,10 +2379,14 @@ static void smlPrintStatisticInfo(SSmlHandle *info) {
          info->cost.endTime - info->cost.insertRpcTime, info->cost.endTime - info->cost.parseTime);
 }
 
-static int32_t smlParseLine(SSmlHandle *info, char *lines[], int numLines) {
+static int32_t smlParseLine(SSmlHandle *info, char *lines[], char* rawLine, char* rawLineEnd, int numLines) {
   int32_t code = TSDB_CODE_SUCCESS;
   if (info->protocol == TSDB_SML_JSON_PROTOCOL) {
+    if(lines){
       code = smlParseJSON(info, *lines);
+    }else if(rawLine){
+      code = smlParseJSON(info, rawLine);
+    }
     if (code != TSDB_CODE_SUCCESS) {
       uError("SML:0x%" PRIx64 " smlParseJSON failed:%s", info->id, *lines);
       return code;
@@ -2390,28 +2395,46 @@ static int32_t smlParseLine(SSmlHandle *info, char *lines[], int numLines) {
   }
 
   for (int32_t i = 0; i < numLines; ++i) {
+    char *tmp = NULL;
+    int  len  = 0;
+    if(lines){
+      tmp = lines[i];
+      len = strlen(tmp);
+    }else if(rawLine){
+      tmp = rawLine;
+      while(rawLine < rawLineEnd){
+        if(*(rawLine++) == '\n'){
+          break;
+        }
+        len++;
+      }
+      if(info->protocol == TSDB_SML_LINE_PROTOCOL && tmp[0] == '#'){ // this line is comment
+        continue;
+      }
+    }
+
     if (info->protocol == TSDB_SML_LINE_PROTOCOL) {
-      code = smlParseInfluxLine(info, lines[i]);
+      code = smlParseInfluxLine(info, tmp, len);
     } else if (info->protocol == TSDB_SML_TELNET_PROTOCOL) {
-      code = smlParseTelnetLine(info, lines[i]);
+      code = smlParseTelnetLine(info, tmp, len);
     } else {
       ASSERT(0);
     }
     if (code != TSDB_CODE_SUCCESS) {
-      uError("SML:0x%" PRIx64 " smlParseLine failed. line %d : %s", info->id, i, lines[i]);
+      uError("SML:0x%" PRIx64 " smlParseLine failed. line %d : %s", info->id, i, tmp);
       return code;
     }
   }
   return code;
 }
 
-static int smlProcess(SSmlHandle *info, char *lines[], int numLines) {
+static int smlProcess(SSmlHandle *info, char *lines[], char* rawLine, char* rawLineEnd, int numLines) {
   int32_t code = TSDB_CODE_SUCCESS;
   int32_t retryNum = 0;
 
   info->cost.parseTime = taosGetTimestampUs();
 
-  code = smlParseLine(info, lines, numLines);
+  code = smlParseLine(info, lines, rawLine, rawLineEnd, numLines);
   if (code != 0) {
     uError("SML:0x%" PRIx64 " smlParseLine error : %s", info->id, tstrerror(code));
     return code;
@@ -2504,39 +2527,8 @@ static void smlInsertCallback(void *param, void *res, int32_t code) {
   smlDestroyInfo(info);
 }
 
-/**
- * taos_schemaless_insert() parse and insert data points into database according to
- * different protocol.
- *
- * @param $lines input array may contain multiple lines, each line indicates a data point.
- *               If protocol=2 is used input array should contain single JSON
- *               string(e.g. char *lines[] = {"$JSON_string"}). If need to insert
- *               multiple data points in JSON format, should include them in $JSON_string
- *               as a JSON array.
- * @param $numLines indicates how many data points in $lines.
- *                  If protocol = 2 is used this param will be ignored as $lines should
- *                  contain single JSON string.
- * @param $protocol indicates which protocol to use for parsing:
- *                  0 - influxDB line protocol
- *                  1 - OpenTSDB telnet line protocol
- *                  2 - OpenTSDB JSON format protocol
- * @return return zero for successful insertion. Otherwise return none-zero error code of
- *         failure reason.
- *
- */
-
-TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int protocol, int precision) {
-  if (NULL == taos) {
-    terrno = TSDB_CODE_TSC_DISCONNECTED;
-    return NULL;
-  }
-
-  SRequestObj *request = (SRequestObj *)createRequest(*(int64_t *)taos, TSDB_SQL_INSERT);
-  if (!request) {
-    uError("SML:taos_schemaless_insert error request is null");
-    return NULL;
-  }
 
+TAOS_RES *taos_schemaless_insert_inner(SRequestObj *request, char *lines[], char *rawLine, char *rawLineEnd, int numLines, int protocol, int precision) {
   int      batchs = 0;
   STscObj *pTscObj = request->pTscObj;
 
@@ -2560,12 +2552,6 @@ TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int pr
     goto end;
   }
 
-  if (!lines) {
-    request->code = TSDB_CODE_SML_INVALID_DATA;
-    smlBuildInvalidDataMsg(&msg, "lines is null", NULL);
-    goto end;
-  }
-
   if (protocol < TSDB_SML_LINE_PROTOCOL || protocol > TSDB_SML_JSON_PROTOCOL) {
     request->code = TSDB_CODE_SML_INVALID_PROTOCOL_TYPE;
     smlBuildInvalidDataMsg(&msg, "protocol invalidate", NULL);
@@ -2616,15 +2602,28 @@ TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int pr
     info->affectedRows = perBatch;
     info->pRequest->body.queryFp = smlInsertCallback;
     info->pRequest->body.param = info;
-    int32_t code = smlProcess(info, lines, perBatch);
+    int32_t code = smlProcess(info, lines, rawLine, rawLineEnd, perBatch);
+    if(lines){
       lines += perBatch;
+    }
+    if(rawLine){
+      int num = 0;
+      while(rawLine < rawLineEnd){
+        if(*(rawLine++) == '\n'){
+          num++;
+        }
+        if(num == perBatch){
+          break;
+        }
+      }
+    }
     if (code != TSDB_CODE_SUCCESS) {
       info->pRequest->body.queryFp(info, req, code);
     }
   }
   tsem_wait(&params.sem);
 
-end:
+  end:
   taosThreadSpinDestroy(&params.lock);
   tsem_destroy(&params.sem);
   //  ((STscObj *)taos)->schemalessType = 0;
@@ -2632,3 +2631,80 @@ end:
   uDebug("resultend:%s", request->msgBuf);
   return (TAOS_RES *)request;
 }
+
+/**
+ * taos_schemaless_insert() parse and insert data points into database according to
+ * different protocol.
+ *
+ * @param $lines input array may contain multiple lines, each line indicates a data point.
+ *               If protocol=2 is used input array should contain single JSON
+ *               string(e.g. char *lines[] = {"$JSON_string"}). If need to insert
+ *               multiple data points in JSON format, should include them in $JSON_string
+ *               as a JSON array.
+ * @param $numLines indicates how many data points in $lines.
+ *                  If protocol = 2 is used this param will be ignored as $lines should
+ *                  contain single JSON string.
+ * @param $protocol indicates which protocol to use for parsing:
+ *                  0 - influxDB line protocol
+ *                  1 - OpenTSDB telnet line protocol
+ *                  2 - OpenTSDB JSON format protocol
+ * @return return zero for successful insertion. Otherwise return none-zero error code of
+ *         failure reason.
+ *
+ */
+
+TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int protocol, int precision) {
+  if (NULL == taos) {
+    terrno = TSDB_CODE_TSC_DISCONNECTED;
+    return NULL;
+  }
+
+  SRequestObj *request = (SRequestObj *)createRequest(*(int64_t *)taos, TSDB_SQL_INSERT);
+  if (!request) {
+    uError("SML:taos_schemaless_insert error request is null");
+    return NULL;
+  }
+
+  if (!lines) {
+    SSmlMsgBuf msg = {ERROR_MSG_BUF_DEFAULT_SIZE, request->msgBuf};
+    request->code = TSDB_CODE_SML_INVALID_DATA;
+    smlBuildInvalidDataMsg(&msg, "lines is null", NULL);
+    return (TAOS_RES *)request;
+  }
+
+  return taos_schemaless_insert_inner(request, lines, NULL, NULL, numLines, protocol, precision);
+}
+
+TAOS_RES *taos_schemaless_insert_raw(TAOS* taos, char* lines, int len, int32_t *totalRows, int protocol, int precision){
+  if (NULL == taos) {
+    terrno = TSDB_CODE_TSC_DISCONNECTED;
+    return NULL;
+  }
+
+  SRequestObj *request = (SRequestObj *)createRequest(*(int64_t *)taos, TSDB_SQL_INSERT);
+  if (!request) {
+    uError("SML:taos_schemaless_insert error request is null");
+    return NULL;
+  }
+
+  if (!lines || len <= 0) {
+    SSmlMsgBuf msg = {ERROR_MSG_BUF_DEFAULT_SIZE, request->msgBuf};
+    request->code = TSDB_CODE_SML_INVALID_DATA;
+    smlBuildInvalidDataMsg(&msg, "lines is null", NULL);
+    return (TAOS_RES *)request;
+  }
+
+  int numLines = 0;
+  *totalRows = 0;
+  char *tmp = lines;
+  for(int i = 0; i < len; i++){
+    if(lines[i] == '\n' || i == len - 1){
+      numLines++;
+      if(tmp[0] != '#' || protocol != TSDB_SML_LINE_PROTOCOL){    //ignore comment
+        (*totalRows)++;
+      }
+      tmp = lines + i + 1;
+    }
+  }
+  return taos_schemaless_insert_inner(request, NULL, lines, lines + len, numLines, protocol, precision);
+}

source/client/test/smlTest.cpp

@@ -44,7 +44,7 @@ TEST(testCase, smlParseInfluxString_Test) {
   char *tmp = "\\,st,t1=3,t2=4,t3=t3 c1=3i64,c3=\"passit hello,c1=2\",c2=false,c4=4f64 1626006833639000000    ,32,c=3";
   char *sql = (char *)taosMemoryCalloc(256, 1);
   memcpy(sql, tmp, strlen(tmp) + 1);
-  int ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  int ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(elements.measure, sql);
   ASSERT_EQ(elements.measureLen, strlen(",st"));
@@ -63,14 +63,14 @@ TEST(testCase, smlParseInfluxString_Test) {
   tmp = "st,t1=3,t2=4,t3=t3 c1=3i64,c3=\"passit hello,c1=2,c2=false,c4=4f64 1626006833639000000";
   memcpy(sql, tmp, strlen(tmp) + 1);
   memset(&elements, 0, sizeof(SSmlLineInfo));
-  ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_NE(ret, 0);
 
   // case 3  false
   tmp = "st, t1=3,t2=4,t3=t3 c1=3i64,c3=\"passit hello,c1=2,c2=false,c4=4f64 1626006833639000000";
   memcpy(sql, tmp, strlen(tmp) + 1);
   memset(&elements, 0, sizeof(SSmlLineInfo));
-  ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(elements.cols, sql + elements.measureTagsLen + 1);
   ASSERT_EQ(elements.colsLen, strlen("t1=3,t2=4,t3=t3"));
@@ -79,7 +79,7 @@ TEST(testCase, smlParseInfluxString_Test) {
   tmp = "st, c1=3i64,c3=\"passit hello,c1=2\",c2=false,c4=4f64 1626006833639000000";
   memcpy(sql, tmp, strlen(tmp) + 1);
   memset(&elements, 0, sizeof(SSmlLineInfo));
-  ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(elements.measure, sql);
   ASSERT_EQ(elements.measureLen, strlen("st"));
@@ -98,7 +98,7 @@ TEST(testCase, smlParseInfluxString_Test) {
   tmp = " st   c1=3i64,c3=\"passit hello,c1=2\",c2=false,c4=4f64  1626006833639000000 ";
   memcpy(sql, tmp, strlen(tmp) + 1);
   memset(&elements, 0, sizeof(SSmlLineInfo));
-  ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(elements.measure, sql + 1);
   ASSERT_EQ(elements.measureLen, strlen("st"));
@@ -116,21 +116,21 @@ TEST(testCase, smlParseInfluxString_Test) {
   tmp = " st   c1=3i64,c3=\"passit hello,c1=2\",c2=false,c4=4f64   ";
   memcpy(sql, tmp, strlen(tmp) + 1);
   memset(&elements, 0, sizeof(SSmlLineInfo));
-  ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_EQ(ret, 0);
 
   // case 7
   tmp = " st   ,   ";
   memcpy(sql, tmp, strlen(tmp) + 1);
   memset(&elements, 0, sizeof(SSmlLineInfo));
-  ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_EQ(ret, 0);
 
   // case 8 false
   tmp = ", st   ,   ";
   memcpy(sql, tmp, strlen(tmp) + 1);
   memset(&elements, 0, sizeof(SSmlLineInfo));
-  ret = smlParseInfluxString(sql, &elements, &msgBuf);
+  ret = smlParseInfluxString(sql, sql + strlen(sql), &elements, &msgBuf);
   ASSERT_NE(ret, 0);
   taosMemoryFree(sql);
 }
@@ -542,7 +542,7 @@ TEST(testCase, smlParseTelnetLine_error_Test) {
       "sys.procs.running 1479496100 42 host= web01",
   };
   for (int i = 0; i < sizeof(sql) / sizeof(sql[0]); i++) {
-    int ret = smlParseTelnetLine(info, (void *)sql[i]);
+    int ret = smlParseTelnetLine(info, (void *)sql[i], strlen(sql[i]));
     ASSERT_NE(ret, 0);
   }
 
@@ -561,7 +561,7 @@ TEST(testCase, smlParseTelnetLine_diff_type_Test) {
 
   int ret = TSDB_CODE_SUCCESS;
   for (int i = 0; i < sizeof(sql) / sizeof(sql[0]); i++) {
-    ret = smlParseTelnetLine(info, (void *)sql[i]);
+    ret = smlParseTelnetLine(info, (void *)sql[i], strlen(sql[i]));
     if (ret != TSDB_CODE_SUCCESS) break;
   }
   ASSERT_NE(ret, 0);
@@ -617,7 +617,7 @@ TEST(testCase, smlParseTelnetLine_json_error_Test) {
 
   int ret = TSDB_CODE_SUCCESS;
   for (int i = 0; i < sizeof(sql) / sizeof(sql[0]); i++) {
-    ret = smlParseTelnetLine(info, (void *)sql[i]);
+    ret = smlParseTelnetLine(info, (void *)sql[i], strlen(sql[i]));
     ASSERT_NE(ret, 0);
   }
 
@@ -653,7 +653,7 @@ TEST(testCase, smlParseTelnetLine_diff_json_type1_Test) {
 
   int ret = TSDB_CODE_SUCCESS;
   for (int i = 0; i < sizeof(sql) / sizeof(sql[0]); i++) {
-    ret = smlParseTelnetLine(info, (void *)sql[i]);
+    ret = smlParseTelnetLine(info, (void *)sql[i], strlen(sql[i]));
     if (ret != TSDB_CODE_SUCCESS) break;
   }
   ASSERT_NE(ret, 0);
@@ -688,7 +688,7 @@ TEST(testCase, smlParseTelnetLine_diff_json_type2_Test) {
   };
   int ret = TSDB_CODE_SUCCESS;
   for (int i = 0; i < sizeof(sql) / sizeof(sql[0]); i++) {
-    ret = smlParseTelnetLine(info, (void *)sql[i]);
+    ret = smlParseTelnetLine(info, (void *)sql[i], strlen(sql[i]));
     if (ret != TSDB_CODE_SUCCESS) break;
   }
   ASSERT_NE(ret, 0);
@@ -1002,7 +1002,7 @@ TEST(testCase, sml_col_4096_Test) {
 
   int ret = TSDB_CODE_SUCCESS;
   for (int i = 0; i < sizeof(sql) / sizeof(sql[0]); i++) {
-    ret = smlParseInfluxLine(info, sql[i]);
+    ret = smlParseInfluxLine(info, sql[i], strlen(sql[i]));
     if (ret != TSDB_CODE_SUCCESS) break;
   }
   ASSERT_NE(ret, 0);

utils/test/c/sml_test.c

@@ -63,6 +63,7 @@ int smlProcess_influx_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
 
   return code;
 }
@@ -86,6 +87,8 @@ int smlProcess_telnet_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -125,6 +128,8 @@ int smlProcess_json1_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -165,6 +170,8 @@ int smlProcess_json2_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -233,6 +240,8 @@ int smlProcess_json3_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -292,6 +301,8 @@ int smlProcess_json4_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -313,6 +324,8 @@ int sml_TD15662_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -333,6 +346,8 @@ int sml_TD15742_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -362,6 +377,8 @@ int sml_16384_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -781,6 +798,8 @@ int sml_oom_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -825,6 +844,8 @@ int sml_16368_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -862,6 +883,8 @@ int sml_dup_time_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -1068,6 +1091,8 @@ int sml_16960_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   int code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
+
   return code;
 }
 
@@ -1097,6 +1122,7 @@ int sml_add_tag_col_Test() {
   printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
   code = taos_errno(pRes);
   taos_free_result(pRes);
+  taos_close(taos);
 
   return code;
 }
@@ -1151,6 +1177,36 @@ int smlProcess_18784_Test() {
     rowIndex++;
   }
   taos_free_result(pRes);
+  taos_close(taos);
+
+  return code;
+}
+
+int sml_19221_Test() {
+  TAOS *taos = taos_connect("localhost", "root", "taosdata", NULL, 0);
+
+  TAOS_RES *pRes = taos_query(taos, "create database if not exists sml_db schemaless 1");
+  taos_free_result(pRes);
+
+  const char *sql[] = {
+      "qelhxo,id=pnnqhsa,t0=t,t1=127i8 c11=L\"ncharColValue\",c0=t,c1=127i8 1626006833639000000\nqelhxo,id=pnnhsa,t0=t,t1=127i8 c11=L\"ncharColValue\",c0=t,c1=127i8 1626006833639000000\n#comment\nqelhxo,id=pnqhsa,t0=t,t1=127i8 c11=L\"ncharColValue\",c0=t,c1=127i8 1626006833639000000",
+  };
+
+  pRes = taos_query(taos, "use sml_db");
+  taos_free_result(pRes);
+
+  char* tmp = (char*)taosMemoryCalloc(1024, 1);
+  memcpy(tmp, sql[0], strlen(sql[0]));
+  *(char*)(tmp+44) = 0;
+  int32_t totalRows = 0;
+  pRes = taos_schemaless_insert_raw(taos, tmp, strlen(sql[0]), &totalRows, TSDB_SML_LINE_PROTOCOL, TSDB_SML_TIMESTAMP_NANO_SECONDS);
+
+  ASSERT(totalRows == 3);
+  printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
+  int code = taos_errno(pRes);
+  taos_free_result(pRes);
+  taos_close(taos);
+  taosMemoryFree(tmp);
 
   return code;
 }
@@ -1187,5 +1243,7 @@ int main(int argc, char *argv[]) {
   ASSERT(!ret);
   ret = smlProcess_18784_Test();
   ASSERT(!ret);
+  ret = sml_19221_Test();
+  ASSERT(!ret);
   return ret;
 }