Merge pull request #9106 from taosdata/hotfix/TS-904-D

[TS-904]<fix>:convert to lowercase when set tbname without `` by stmt

jemalloc @ 9015e129

-Subproject commit ea6b3e973b477b8061e0076bb257dbd7f3faa756
+Subproject commit 9015e129bd7de389afa4196495451669700904d0

src/client/src/tscPrepare.c

@@ -1705,7 +1705,7 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
 
   SSqlObj* pSql = pStmt->pSql;
   SSqlCmd* pCmd = &pSql->cmd;
-  uint32_t nameLen = (uint32_t)strlen(name);
+  int32_t nameLen = (int32_t)strlen(name);
 
   if (name == NULL || nameLen <= 0) {
     tscError("0x%"PRIx64" tbname is NULL", pSql->self);
@@ -1727,18 +1727,22 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
   SStrToken tname = {0};
   tname.type = TK_STRING;
   tname.z = (char *)strdup(name);
-  tname.n = (uint32_t)strlen(name);
+  if (!tname.z) {
+    tscError("0x%" PRIx64 " out of memory", pSql->self);
+    STMT_RET(TSDB_CODE_TSC_OUT_OF_MEMORY);
+  }
+  tname.n = (uint32_t)strlen(tname.z);
 
   bool dbIncluded = false;
   
   // Check if the table name available or not
   if (tscValidateName(&tname, true, &dbIncluded) != TSDB_CODE_SUCCESS) {
-    tscError("0x%"PRIx64" tbname[%s] is invalid", pSql->self, name);
+    tscError("0x%" PRIx64 " tbname[%s] is invalid", pSql->self, tname.z);
     free(tname.z);
     STMT_RET(invalidOperationMsg(tscGetErrorMsgPayload(&pStmt->pSql->cmd), "name is invalid"));
   }
 
-  uint64_t* uid = (uint64_t*)taosHashGet(pStmt->mtb.pTableHash, name, strlen(name));
+  uint64_t* uid = (uint64_t*)taosHashGet(pStmt->mtb.pTableHash, tname.z, tname.n);
   if (uid != NULL) {
     pStmt->mtb.currentUid = *uid;
 
@@ -1752,6 +1756,7 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
     if ((*t1)->pData == NULL) {
       code = tscCreateDataBlockData(*t1, TSDB_PAYLOAD_SIZE, (*t1)->pTableMeta->tableInfo.rowSize, sizeof(SSubmitBlk));
       if (code != TSDB_CODE_SUCCESS) {
+        free(tname.z);
         STMT_RET(code);
       }
     }
@@ -1766,7 +1771,7 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
 
     taosHashPut(pCmd->insertParam.pTableBlockHashList, (void *)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid), (void*)t1, POINTER_BYTES);
 
-    tscDebug("0x%"PRIx64" table:%s is already prepared, uid:%" PRIu64, pSql->self, name, pStmt->mtb.currentUid);
+    tscDebug("0x%" PRIx64 " table:%s is already prepared, uid:%" PRIu64, pSql->self, tname.z, pStmt->mtb.currentUid);
     free(tname.z);
     STMT_RET(TSDB_CODE_SUCCESS);
   }
@@ -1779,18 +1784,19 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
     SName fullname = {0};
 
     tscSetTableFullName(&fullname, &tname, pSql, dbIncluded);
-    free(tname.z);
 
     memcpy(&pTableMetaInfo->name, &fullname, sizeof(fullname));
 
     code = tscGetTableMetaEx(pSql, pTableMetaInfo, false, true);
     if (code != TSDB_CODE_SUCCESS) {
+      free(tname.z);
       STMT_RET(code);
     }
 
     pTableMeta = pTableMetaInfo->pTableMeta;
 
     if (strcmp(sTableName, pTableMeta->sTableName)) {
+      free(tname.z);
       tscError("0x%"PRIx64" only tables belongs to one stable is allowed", pSql->self);
       STMT_RET(TSDB_CODE_TSC_APP_ERROR);
     }
@@ -1806,25 +1812,26 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
     
     taosHashPut(pCmd->insertParam.pTableBlockHashList, (void *)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid), (void*)&pBlock, POINTER_BYTES);
     taosHashPut(pStmt->mtb.pTableBlockHashList, (void *)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid), (void*)&pBlock, POINTER_BYTES);
-    taosHashPut(pStmt->mtb.pTableHash, name, strlen(name), (char*) &pTableMeta->id.uid, sizeof(pTableMeta->id.uid));
+    taosHashPut(pStmt->mtb.pTableHash, tname.z, tname.n, (char*)&pTableMeta->id.uid, sizeof(pTableMeta->id.uid));
 
-    tscDebug("0x%"PRIx64" table:%s is prepared, uid:%" PRIx64, pSql->self, name, pStmt->mtb.currentUid);
+    tscDebug("0x%" PRIx64 " table:%s is prepared, uid:%" PRIx64, pSql->self, tname.z, pStmt->mtb.currentUid);
     
+    free(tname.z);
     STMT_RET(TSDB_CODE_SUCCESS);
   }
 
-  free(tname.z);
-
   if (pStmt->mtb.tagSet) {
-    pStmt->mtb.tbname = tscReplaceStrToken(&pSql->sqlstr, &pStmt->mtb.tbname, name);
+    pStmt->mtb.tbname = tscReplaceStrToken(&pSql->sqlstr, &pStmt->mtb.tbname, tname.z);
   } else {
     if (tags == NULL) {
       tscError("No tags set");
+      free(tname.z);
       STMT_RET(invalidOperationMsg(tscGetErrorMsgPayload(&pStmt->pSql->cmd), "no tags set"));
     }
 
-    int32_t ret = stmtGenInsertStatement(pSql, pStmt, name, tags);
+    int32_t ret = stmtGenInsertStatement(pSql, pStmt, tname.z, tags);
     if (ret != TSDB_CODE_SUCCESS) {
+      free(tname.z);
       STMT_RET(ret);
     }
   }
@@ -1859,6 +1866,7 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
     code = tscGetDataBlockFromList(pCmd->insertParam.pTableBlockHashList, pTableMeta->id.uid, TSDB_PAYLOAD_SIZE, sizeof(SSubmitBlk),
                               pTableMeta->tableInfo.rowSize, &pTableMetaInfo->name, pTableMeta, &pBlock, NULL);
     if (code != TSDB_CODE_SUCCESS) {
+      free(tname.z);
       STMT_RET(code);
     }
 
@@ -1869,15 +1877,16 @@ int taos_stmt_set_tbname_tags(TAOS_STMT* stmt, const char* name, TAOS_BIND* tags
     pStmt->mtb.tbNum++;
 
     taosHashPut(pStmt->mtb.pTableBlockHashList, (void *)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid), (void*)&pBlock, POINTER_BYTES);
-    taosHashPut(pStmt->mtb.pTableHash, name, strlen(name), (char*) &pTableMeta->id.uid, sizeof(pTableMeta->id.uid));
+    taosHashPut(pStmt->mtb.pTableHash, tname.z, tname.n, (char*)&pTableMeta->id.uid, sizeof(pTableMeta->id.uid));
 
     if (pStmt->mtb.lastBlock == NULL) {
       insertStmtGenLastBlock(&pStmt->mtb.lastBlock, pBlock);
     }
 
-    tscDebug("0x%"PRIx64" table:%s is prepared, uid:%" PRIx64, pSql->self, name, pStmt->mtb.currentUid);
+    tscDebug("0x%" PRIx64 " table:%s is prepared, uid:%" PRIx64, pSql->self, tname.z, pStmt->mtb.currentUid);
   }
 
+  free(tname.z);
   STMT_RET(code);
 }
 

src/client/src/tscUtil.c

@@ -132,8 +132,7 @@ int32_t converToStr(char *str, int type, void *buf, int32_t bufSize, int32_t *le
   return TSDB_CODE_SUCCESS;
 }
 
-
-static void tscStrToLower(char *str, int32_t n) {
+UNUSED_FUNC static void tscStrToLower(char* str, int32_t n) {
   if (str == NULL || n <= 0) { return;}
   for (int32_t i = 0; i < n; i++) {
     if (str[i] >= 'A' && str[i] <= 'Z') {
@@ -3029,7 +3028,8 @@ int32_t tscValidateName(SStrToken* pToken, bool escapeEnabled, bool *dbIncluded)
     if (pToken->type == TK_STRING) {
 
       tscDequoteAndTrimToken(pToken);
-      tscStrToLower(pToken->z, pToken->n);
+      // tscStrToLower(pToken->z, pToken->n);
+      strntolower(pToken->z, pToken->z, pToken->n);
       //pToken->n = (uint32_t)strtrim(pToken->z);
 
       int len = tGetToken(pToken->z, &pToken->type);
@@ -3083,7 +3083,8 @@ int32_t tscValidateName(SStrToken* pToken, bool escapeEnabled, bool *dbIncluded)
       if (validateQuoteToken(pToken, escapeEnabled, NULL) != TSDB_CODE_SUCCESS) {
         return TSDB_CODE_TSC_INVALID_OPERATION;
       } else {
-        tscStrToLower(pToken->z,pToken->n);
+        // tscStrToLower(pToken->z,pToken->n);
+        strntolower(pToken->z, pToken->z, pToken->n);
         firstPartQuote = true;
       }
     }
@@ -3101,7 +3102,8 @@ int32_t tscValidateName(SStrToken* pToken, bool escapeEnabled, bool *dbIncluded)
       if (validateQuoteToken(pToken, escapeEnabled, NULL) != TSDB_CODE_SUCCESS) {
         return TSDB_CODE_TSC_INVALID_OPERATION;
       } else {
-        tscStrToLower(pToken->z,pToken->n);
+        // tscStrToLower(pToken->z,pToken->n);
+        strntolower(pToken->z, pToken->z, pToken->n);
       }
     }
 

tests/examples/c/makefile

@@ -25,7 +25,6 @@ clean:
 	rm $(ROOT)asyncdemo
 	rm $(ROOT)demo
 	rm $(ROOT)prepare
-	rm $(ROOT)batchprepare
 	rm $(ROOT)stream
 	rm $(ROOT)subscribe
 	rm $(ROOT)apitest

tests/examples/c/prepare.c

@@ -857,6 +857,542 @@ void verify_prepare3(TAOS* taos) {
   
 }
 
+/**
+ * @brief Verify the upper/lower case of tableName for create(by setTableName)/query/show/describe/drop.
+ *  https://jira.taosdata.com:18080/browse/TS-904
+ *  https://jira.taosdata.com:18090/pages/viewpage.action?pageId=129140555
+ * @param taos
+ */
+void verify_prepare4(TAOS* taos) {
+  printf("Verify the upper/lower case of tableName for create(by setTableName)/query/show/describe/drop etc.\n");
+
+  TAOS_RES* result = taos_query(taos, "drop database if exists test;");
+  taos_free_result(result);
+  usleep(100000);
+  result = taos_query(taos, "create database test;");
+
+  int code = taos_errno(result);
+  if (code != 0) {
+    printf("\033[31mfailed to create database, reason:%s\033[0m\n", taos_errstr(result));
+    taos_free_result(result);
+    exit(EXIT_FAILURE);
+  }
+  taos_free_result(result);
+
+  usleep(100000);
+  taos_select_db(taos, "test");
+
+  // create table
+  const char* sql =
+      "create stable st1 (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, bin "
+      "binary(40), blob nchar(10), u1 tinyint unsigned, u2 smallint unsigned, u4 int unsigned, u8 bigint unsigned) "
+      "tags "
+      "(b_tag bool, v1_tag tinyint, v2_tag smallint, v4_tag int, v8_tag bigint, f4_tag float, f8_tag double, bin_tag "
+      "binary(40), blob_tag nchar(10), u1_tag tinyint unsigned, u2_tag smallint unsigned, u4_tag int unsigned, u8_tag "
+      "bigint "
+      "unsigned)";
+  result = taos_query(taos, sql);
+  code = taos_errno(result);
+  if (code != 0) {
+    printf("\033[31mfailed to create table, reason:%s\033[0m\n", taos_errstr(result));
+    taos_free_result(result);
+    exit(EXIT_FAILURE);
+  }
+  taos_free_result(result);
+
+  TAOS_BIND tags[13];
+
+  struct {
+    int8_t   b;
+    int8_t   v1;
+    int16_t  v2;
+    int32_t  v4;
+    int64_t  v8;
+    float    f4;
+    double   f8;
+    char     bin[40];
+    char     blob[80];
+    uint8_t  u1;
+    uint16_t u2;
+    uint32_t u4;
+    uint64_t u8;
+  } id = {0};
+
+  id.b = (int8_t)1;
+  id.v1 = (int8_t)1;
+  id.v2 = (int16_t)2;
+  id.v4 = (int32_t)4;
+  id.v8 = (int64_t)8;
+  id.f4 = (float)40;
+  id.f8 = (double)80;
+  for (int j = 0; j < sizeof(id.bin); ++j) {
+    id.bin[j] = (char)('1' + '0');
+  }
+  strcpy(id.blob, "一二三四五六七八九十");
+  id.u1 = (uint8_t)1;
+  id.u2 = (uint16_t)2;
+  id.u4 = (uint32_t)4;
+  id.u8 = (uint64_t)8;
+
+  tags[0].buffer_type = TSDB_DATA_TYPE_BOOL;
+  tags[0].buffer_length = sizeof(id.b);
+  tags[0].buffer = &id.b;
+  tags[0].length = &tags[0].buffer_length;
+  tags[0].is_null = NULL;
+
+  tags[1].buffer_type = TSDB_DATA_TYPE_TINYINT;
+  tags[1].buffer_length = sizeof(id.v1);
+  tags[1].buffer = &id.v1;
+  tags[1].length = &tags[1].buffer_length;
+  tags[1].is_null = NULL;
+
+  tags[2].buffer_type = TSDB_DATA_TYPE_SMALLINT;
+  tags[2].buffer_length = sizeof(id.v2);
+  tags[2].buffer = &id.v2;
+  tags[2].length = &tags[2].buffer_length;
+  tags[2].is_null = NULL;
+
+  tags[3].buffer_type = TSDB_DATA_TYPE_INT;
+  tags[3].buffer_length = sizeof(id.v4);
+  tags[3].buffer = &id.v4;
+  tags[3].length = &tags[3].buffer_length;
+  tags[3].is_null = NULL;
+
+  tags[4].buffer_type = TSDB_DATA_TYPE_BIGINT;
+  tags[4].buffer_length = sizeof(id.v8);
+  tags[4].buffer = &id.v8;
+  tags[4].length = &tags[4].buffer_length;
+  tags[4].is_null = NULL;
+
+  tags[5].buffer_type = TSDB_DATA_TYPE_FLOAT;
+  tags[5].buffer_length = sizeof(id.f4);
+  tags[5].buffer = &id.f4;
+  tags[5].length = &tags[5].buffer_length;
+  tags[5].is_null = NULL;
+
+  tags[6].buffer_type = TSDB_DATA_TYPE_DOUBLE;
+  tags[6].buffer_length = sizeof(id.f8);
+  tags[6].buffer = &id.f8;
+  tags[6].length = &tags[6].buffer_length;
+  tags[6].is_null = NULL;
+
+  tags[7].buffer_type = TSDB_DATA_TYPE_BINARY;
+  tags[7].buffer_length = sizeof(id.bin);
+  tags[7].buffer = &id.bin;
+  tags[7].length = &tags[7].buffer_length;
+  tags[7].is_null = NULL;
+
+  tags[8].buffer_type = TSDB_DATA_TYPE_NCHAR;
+  tags[8].buffer_length = strlen(id.blob);
+  tags[8].buffer = &id.blob;
+  tags[8].length = &tags[8].buffer_length;
+  tags[8].is_null = NULL;
+
+  tags[9].buffer_type = TSDB_DATA_TYPE_UTINYINT;
+  tags[9].buffer_length = sizeof(id.u1);
+  tags[9].buffer = &id.u1;
+  tags[9].length = &tags[9].buffer_length;
+  tags[9].is_null = NULL;
+
+  tags[10].buffer_type = TSDB_DATA_TYPE_USMALLINT;
+  tags[10].buffer_length = sizeof(id.u2);
+  tags[10].buffer = &id.u2;
+  tags[10].length = &tags[10].buffer_length;
+  tags[10].is_null = NULL;
+
+  tags[11].buffer_type = TSDB_DATA_TYPE_UINT;
+  tags[11].buffer_length = sizeof(id.u4);
+  tags[11].buffer = &id.u4;
+  tags[11].length = &tags[11].buffer_length;
+  tags[11].is_null = NULL;
+
+  tags[12].buffer_type = TSDB_DATA_TYPE_UBIGINT;
+  tags[12].buffer_length = sizeof(id.u8);
+  tags[12].buffer = &id.u8;
+  tags[12].length = &tags[12].buffer_length;
+  tags[12].is_null = NULL;
+  // insert 10 records
+  struct {
+    int64_t  ts[10];
+    int8_t   b[10];
+    int8_t   v1[10];
+    int16_t  v2[10];
+    int32_t  v4[10];
+    int64_t  v8[10];
+    float    f4[10];
+    double   f8[10];
+    char     bin[10][40];
+    char     blob[10][80];
+    uint8_t  u1[10];
+    uint16_t u2[10];
+    uint32_t u4[10];
+    uint64_t u8[10];
+  } v;
+
+  int32_t* t8_len = malloc(sizeof(int32_t) * 10);
+  int32_t* t16_len = malloc(sizeof(int32_t) * 10);
+  int32_t* t32_len = malloc(sizeof(int32_t) * 10);
+  int32_t* t64_len = malloc(sizeof(int32_t) * 10);
+  int32_t* float_len = malloc(sizeof(int32_t) * 10);
+  int32_t* double_len = malloc(sizeof(int32_t) * 10);
+  int32_t* bin_len = malloc(sizeof(int32_t) * 10);
+  int32_t* blob_len = malloc(sizeof(int32_t) * 10);
+  int32_t* u8_len = malloc(sizeof(int32_t) * 10);
+  int32_t* u16_len = malloc(sizeof(int32_t) * 10);
+  int32_t* u32_len = malloc(sizeof(int32_t) * 10);
+  int32_t* u64_len = malloc(sizeof(int32_t) * 10);
+
+  TAOS_MULTI_BIND params[14];
+  char            is_null[10] = {0};
+  params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
+  params[0].buffer_length = sizeof(v.ts[0]);
+  params[0].buffer = v.ts;
+  params[0].length = t64_len;
+  params[0].is_null = is_null;
+  params[0].num = 10;
+
+  params[1].buffer_type = TSDB_DATA_TYPE_BOOL;
+  params[1].buffer_length = sizeof(v.b[0]);
+  params[1].buffer = v.b;
+  params[1].length = t8_len;
+  params[1].is_null = is_null;
+  params[1].num = 10;
+
+  params[2].buffer_type = TSDB_DATA_TYPE_TINYINT;
+  params[2].buffer_length = sizeof(v.v1[0]);
+  params[2].buffer = v.v1;
+  params[2].length = t8_len;
+  params[2].is_null = is_null;
+  params[2].num = 10;
+
+  params[3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
+  params[3].buffer_length = sizeof(v.v2[0]);
+  params[3].buffer = v.v2;
+  params[3].length = t16_len;
+  params[3].is_null = is_null;
+  params[3].num = 10;
+
+  params[4].buffer_type = TSDB_DATA_TYPE_INT;
+  params[4].buffer_length = sizeof(v.v4[0]);
+  params[4].buffer = v.v4;
+  params[4].length = t32_len;
+  params[4].is_null = is_null;
+  params[4].num = 10;
+
+  params[5].buffer_type = TSDB_DATA_TYPE_BIGINT;
+  params[5].buffer_length = sizeof(v.v8[0]);
+  params[5].buffer = v.v8;
+  params[5].length = t64_len;
+  params[5].is_null = is_null;
+  params[5].num = 10;
+
+  params[6].buffer_type = TSDB_DATA_TYPE_FLOAT;
+  params[6].buffer_length = sizeof(v.f4[0]);
+  params[6].buffer = v.f4;
+  params[6].length = float_len;
+  params[6].is_null = is_null;
+  params[6].num = 10;
+
+  params[7].buffer_type = TSDB_DATA_TYPE_DOUBLE;
+  params[7].buffer_length = sizeof(v.f8[0]);
+  params[7].buffer = v.f8;
+  params[7].length = double_len;
+  params[7].is_null = is_null;
+  params[7].num = 10;
+
+  params[8].buffer_type = TSDB_DATA_TYPE_BINARY;
+  params[8].buffer_length = sizeof(v.bin[0]);
+  params[8].buffer = v.bin;
+  params[8].length = bin_len;
+  params[8].is_null = is_null;
+  params[8].num = 10;
+
+  params[9].buffer_type = TSDB_DATA_TYPE_NCHAR;
+  params[9].buffer_length = sizeof(v.blob[0]);
+  params[9].buffer = v.blob;
+  params[9].length = blob_len;
+  params[9].is_null = is_null;
+  params[9].num = 10;
+
+  params[10].buffer_type = TSDB_DATA_TYPE_UTINYINT;
+  params[10].buffer_length = sizeof(v.u1[0]);
+  params[10].buffer = v.u1;
+  params[10].length = u8_len;
+  params[10].is_null = is_null;
+  params[10].num = 10;
+
+  params[11].buffer_type = TSDB_DATA_TYPE_USMALLINT;
+  params[11].buffer_length = sizeof(v.u2[0]);
+  params[11].buffer = v.u2;
+  params[11].length = u16_len;
+  params[11].is_null = is_null;
+  params[11].num = 10;
+
+  params[12].buffer_type = TSDB_DATA_TYPE_UINT;
+  params[12].buffer_length = sizeof(v.u4[0]);
+  params[12].buffer = v.u4;
+  params[12].length = u32_len;
+  params[12].is_null = is_null;
+  params[12].num = 10;
+
+  params[13].buffer_type = TSDB_DATA_TYPE_UBIGINT;
+  params[13].buffer_length = sizeof(v.u8[0]);
+  params[13].buffer = v.u8;
+  params[13].length = u64_len;
+  params[13].is_null = is_null;
+  params[13].num = 10;
+
+// verify table names for upper/lower case
+#define VERIFY_CNT 5
+
+  typedef struct {
+    char setTbName[20];
+    char showName[20];
+    char describeName[20];
+    char queryName[20];
+    char dropName[20];
+  } STbNames;
+
+  /**
+   * @brief
+   *  0       - success expected
+   *  NonZero - fail expected
+   */
+  typedef struct {
+    int32_t setTbName;
+    int32_t showName;
+    int32_t describeName;
+    int32_t queryName;
+    int32_t dropName;
+  } STbNamesResult;
+
+  STbNames       tbName[VERIFY_CNT] = {0};
+  STbNamesResult tbNameResult[VERIFY_CNT] = {0};
+
+  STbNames*       pTbName = NULL;
+  STbNamesResult* pTbNameResult = NULL;
+
+  pTbName = &tbName[0];
+  pTbNameResult = &tbNameResult[0];
+  strcpy(pTbName->setTbName, "Mn1");
+  strcpy(pTbName->showName, "mn1");
+  strcpy(pTbName->describeName, "mn1");
+  strcpy(pTbName->queryName, "mn1");
+  strcpy(pTbName->dropName, "mn1");
+
+  pTbName = &tbName[1];
+  pTbNameResult = &tbNameResult[1];
+  strcpy(pTbName->setTbName, "'Mn1'");
+  strcpy(pTbName->showName, "'mn1'");
+  strcpy(pTbName->describeName, "'mn1'");
+  strcpy(pTbName->queryName, "'mn1'");
+  strcpy(pTbName->dropName, "'mn1'");
+
+  pTbName = &tbName[2];
+  pTbNameResult = &tbNameResult[2];
+  strcpy(pTbName->setTbName, "\"Mn1\"");
+  strcpy(pTbName->showName, "\"mn1\"");
+  strcpy(pTbName->describeName, "\"mn1\"");
+  strcpy(pTbName->queryName, "\"mn1\"");
+  strcpy(pTbName->dropName, "\"mn1\"");
+
+  pTbName = &tbName[3];
+  pTbNameResult = &tbNameResult[3];
+  strcpy(pTbName->setTbName, "\"Mn1\"");
+  strcpy(pTbName->showName, "'mn1'");
+  strcpy(pTbName->describeName, "'mn1'");
+  strcpy(pTbName->queryName, "mn1");
+  strcpy(pTbName->dropName, "\"mn1\"");
+
+  pTbName = &tbName[4];
+  pTbNameResult = &tbNameResult[4];
+  strcpy(pTbName->setTbName, "`Mn1`");
+  strcpy(pTbName->showName, "Mn1");  // TODO support uniform of ``
+  strcpy(pTbName->describeName, "`Mn1`");
+  strcpy(pTbName->queryName, "`Mn1`");
+  strcpy(pTbName->dropName, "`Mn1`");
+
+  TAOS_STMT* stmt = NULL;
+
+  for (int n = 0; n < VERIFY_CNT; ++n) {
+    printf("\033[31m[%d] ===================================\033[0m\n", n);
+    pTbName = &tbName[n];
+    pTbNameResult = &tbNameResult[n];
+    char tmpStr[256] = {0};
+
+    // set table name
+    stmt = taos_stmt_init(taos);
+    if (!stmt) {
+      printf("\033[31m[%d] failed to execute taos_stmt_init. error:%s\033[0m\n", n);
+      exit(EXIT_FAILURE);
+    }
+
+    sql = "insert into ? using st1 tags(?,?,?,?,?,?,?,?,?,?,?,?,?) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
+    code = taos_stmt_prepare(stmt, sql, 0);
+    if (code != 0) {
+      printf("\033[31mfailed to execute taos_stmt_prepare. error:%s\033[0m\n", taos_stmt_errstr(stmt));
+      taos_stmt_close(stmt);
+      exit(EXIT_FAILURE);
+    }
+
+    printf("[%d] taos_stmt_set_tbname_tags, tbname=%s\n", n, pTbName->setTbName);
+    code = taos_stmt_set_tbname_tags(stmt, pTbName->setTbName, tags);
+    if ((!pTbNameResult->setTbName && (0 != code)) || (pTbNameResult->setTbName && (0 == code))) {
+      printf("\033[31m[%d] failed to execute taos_stmt_set_tbname_tags. error:%s\033[0m\n", n, taos_stmt_errstr(stmt));
+      taos_stmt_close(stmt);
+      exit(EXIT_FAILURE);
+    }
+
+    if (code == 0) {
+      int64_t ts = 1591060628000 + 1000 * n;
+      for (int i = 0; i < 10; ++i) {
+        v.ts[i] = ts++;
+        is_null[i] = 0;
+
+        v.b[i] = (int8_t)i % 2;
+        v.v1[i] = (int8_t)i;
+        v.v2[i] = (int16_t)(i * 2);
+        v.v4[i] = (int32_t)(i * 4);
+        v.v8[i] = (int64_t)(i * 8);
+        v.f4[i] = (float)(i * 40);
+        v.f8[i] = (double)(i * 80);
+        for (int j = 0; j < sizeof(v.bin[0]); ++j) {
+          v.bin[i][j] = (char)(i + '0');
+        }
+        strcpy(v.blob[i], "一二三四五六七八九十");
+        v.u1[i] = (uint8_t)i;
+        v.u2[i] = (uint16_t)(i * 2);
+        v.u4[i] = (uint32_t)(i * 4);
+        v.u8[i] = (uint64_t)(i * 8);
+
+        t8_len[i] = sizeof(int8_t);
+        t16_len[i] = sizeof(int16_t);
+        t32_len[i] = sizeof(int32_t);
+        t64_len[i] = sizeof(int64_t);
+        float_len[i] = sizeof(float);
+        double_len[i] = sizeof(double);
+        bin_len[i] = sizeof(v.bin[0]);
+        blob_len[i] = (int32_t)strlen(v.blob[i]);
+        u8_len[i] = sizeof(uint8_t);
+        u16_len[i] = sizeof(uint16_t);
+        u32_len[i] = sizeof(uint32_t);
+        u64_len[i] = sizeof(uint64_t);
+      }
+
+      taos_stmt_bind_param_batch(stmt, params);
+      taos_stmt_add_batch(stmt);
+
+      if (taos_stmt_execute(stmt) != 0) {
+        printf("\033[31m[%d] failed to execute insert statement.error:%s\033[0m\n", n, taos_stmt_errstr(stmt));
+        taos_stmt_close(stmt);
+        exit(EXIT_FAILURE);
+      }
+    }
+    taos_stmt_close(stmt);
+
+    // show the table
+    printf("[%d] show tables, tbName = %s\n", n, pTbName->showName);
+    stmt = taos_stmt_init(taos);
+    sprintf(tmpStr, "show tables like %s", pTbName->showName);
+    taos_stmt_prepare(stmt, tmpStr, 0);
+    code = taos_stmt_execute(stmt);
+    if ((!pTbNameResult->showName && (0 != code)) || (pTbNameResult->showName && (0 == code))) {
+      printf("\033[31m[%d] failed to execute show tables like. error:%s\033[0m\n", n, taos_stmt_errstr(stmt));
+      taos_stmt_close(stmt);
+      exit(EXIT_FAILURE);
+    }
+    taos_stmt_close(stmt);
+
+    // describe the table
+    printf("[%d] describe tables, tbName = %s\n", n, pTbName->describeName);
+    stmt = taos_stmt_init(taos);
+    sprintf(tmpStr, "describe %s", pTbName->describeName);
+    taos_stmt_prepare(stmt, tmpStr, 0);
+    code = taos_stmt_execute(stmt);
+    if ((!pTbNameResult->describeName && (0 != code)) || (pTbNameResult->describeName && (0 == code))) {
+      printf("\033[31m[%d] failed to execute describe tables. error:%s\033[0m\n", n, taos_stmt_errstr(stmt));
+      taos_stmt_close(stmt);
+      exit(EXIT_FAILURE);
+    }
+    taos_stmt_close(stmt);
+
+    // query the records
+    printf("[%d] select statement, tbName = %s\n", n, pTbName->queryName);
+    stmt = taos_stmt_init(taos);
+    sprintf(tmpStr, "SELECT * FROM %s", pTbName->queryName);
+    taos_stmt_prepare(stmt, tmpStr, 0);
+
+    TAOS_BIND qparams[2];
+
+    int8_t  v1 = 5;
+    int16_t v2 = 15;
+    qparams[0].buffer_type = TSDB_DATA_TYPE_TINYINT;
+    qparams[0].buffer_length = sizeof(v1);
+    qparams[0].buffer = &v1;
+    qparams[0].length = &qparams[0].buffer_length;
+    qparams[0].is_null = NULL;
+
+    qparams[1].buffer_type = TSDB_DATA_TYPE_SMALLINT;
+    qparams[1].buffer_length = sizeof(v2);
+    qparams[1].buffer = &v2;
+    qparams[1].length = &qparams[1].buffer_length;
+    qparams[1].is_null = NULL;
+
+    taos_stmt_bind_param(stmt, qparams);
+
+    code = taos_stmt_execute(stmt);
+    if ((!pTbNameResult->queryName && (0 != code)) || (pTbNameResult->queryName && (0 == code))) {
+      printf("\033[31m[%d] failed to execute select statement.error:%s\033[0m\n", n, taos_stmt_errstr(stmt));
+      taos_stmt_close(stmt);
+      exit(EXIT_FAILURE);
+    }
+
+    result = taos_stmt_use_result(stmt);
+
+    TAOS_ROW    row;
+    int         rows = 0;
+    int         num_fields = taos_num_fields(result);
+    TAOS_FIELD* fields = taos_fetch_fields(result);
+
+    // fetch the records row by row
+    while ((row = taos_fetch_row(result))) {
+      char temp[256] = {0};
+      rows++;
+      taos_print_row(temp, row, fields, num_fields);
+      printf("[%d] row = %s\n", n, temp);
+    }
+
+    taos_free_result(result);
+    taos_stmt_close(stmt);
+
+    // drop table
+    printf("[%d] drop table, tbName = %s\n", n, pTbName->dropName);
+    stmt = taos_stmt_init(taos);
+    sprintf(tmpStr, "drop table %s", pTbName->dropName);
+    taos_stmt_prepare(stmt, tmpStr, 0);
+    code = taos_stmt_execute(stmt);
+    if ((!pTbNameResult->dropName && (0 != code)) || (pTbNameResult->dropName && (0 == code))) {
+      printf("\033[31m[%d] failed to drop table. error:%s\033[0m\n", n, taos_stmt_errstr(stmt));
+      taos_stmt_close(stmt);
+      exit(EXIT_FAILURE);
+    }
+    taos_stmt_close(stmt);
+  }
+
+  free(t8_len);
+  free(t16_len);
+  free(t32_len);
+  free(t64_len);
+  free(float_len);
+  free(double_len);
+  free(bin_len);
+  free(blob_len);
+  free(u8_len);
+  free(u16_len);
+  free(u32_len);
+  free(u64_len);
+}
+
 int main(int argc, char* argv[]) {
   const char* host = "127.0.0.1";
   const char* user = "root";
@@ -880,5 +1416,7 @@ int main(int argc, char* argv[]) {
   printf("************  verify prepare3  *************\n");
   verify_prepare3(taos);
   printf("************  verify prepare4  *************\n");
+  verify_prepare4(taos);
+  printf("************  verify end  *************\n");
   exit(EXIT_SUCCESS);
 }