Hotfix/sangshuduo/td 5872 taosdemo stmt improve (#7875)

* [TD-5872]<fix>: taosdemo stmt improve.

* refactor stmt functions.

* [TD-5872]<fix>: taosdemo stmt csv perf improve.

* rand func back to early impl.

* fix windows/mac compile error.

* fix empty tag sample.

* [TD-5873]<test>add stmt’performance taosdemo testcase

* add data_type enum and stmt_batch framework.

* use data type enum and fix test case limit/offset.

* revert thread number.

* rename MAX_SAMPLES_ONCE_FROM_FILE to reflect reality.

* split func for stmt interlace.

* fix bug that get build path.

* stmt batch interlace works.

* fix start time issue.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>
Co-authored-by: tomchon <haoran920c@163.com>

src/kit/taosdemo/taosdemo.c

@@ -109,8 +109,7 @@ extern char configDir[];
 #define DEFAULT_DATATYPE_NUM    1
 #define DEFAULT_CHILDTABLES     10000
 
-
-#define STMT_BIND_PARAM_BATCH   0
+#define STMT_BIND_PARAM_BATCH   1
 
 char* g_sampleDataBuf = NULL;
 #if STMT_BIND_PARAM_BATCH == 1
@@ -5430,7 +5429,7 @@ static bool getMetaFromInsertJsonFile(cJSON* root) {
                     g_Dbs.db[i].superTbls[j].interlaceRows = g_Dbs.db[i].superTbls[j].insertRows;
                 }
             } else if (!stbInterlaceRows) {
-                g_Dbs.db[i].superTbls[j].interlaceRows = 0; // 0 means progressive mode, > 0 mean interlace mode. max value is less or equ num_of_records_per_req
+                g_Dbs.db[i].superTbls[j].interlaceRows = g_args.interlaceRows; // 0 means progressive mode, > 0 mean interlace mode. max value is less or equ num_of_records_per_req
             } else {
                 errorPrint(
                         "%s", "failed to read json, interlace rows input mistake\n");
@@ -8294,7 +8293,7 @@ static uint32_t execBindParam(
 }
 #endif
 
-static int32_t prepareStbStmtWithSample(
+static int32_t prepareStbStmt(
         threadInfo *pThreadInfo,
         char *tableName,
         int64_t tableSeq,
@@ -8468,21 +8467,18 @@ static void* syncWriteInterlaceStmtBatch(threadInfo *pThreadInfo, uint32_t inter
             pThreadInfo->threadID, __func__, __LINE__);
 
     int64_t insertRows;
-    uint64_t maxSqlLen;
-    int64_t nTimeStampStep;
+    int64_t timeStampStep;
     uint64_t insert_interval;
 
     SSuperTable* stbInfo = pThreadInfo->stbInfo;
 
     if (stbInfo) {
         insertRows = stbInfo->insertRows;
-        maxSqlLen = stbInfo->maxSqlLen;
-        nTimeStampStep = stbInfo->timeStampStep;
+        timeStampStep = stbInfo->timeStampStep;
         insert_interval = stbInfo->insertInterval;
     } else {
         insertRows = g_args.insertRows;
-        maxSqlLen = g_args.max_sql_len;
-        nTimeStampStep = g_args.timestamp_step;
+        timeStampStep = g_args.timestamp_step;
         insert_interval = g_args.insert_interval;
     }
 
@@ -8491,18 +8487,14 @@ static void* syncWriteInterlaceStmtBatch(threadInfo *pThreadInfo, uint32_t inter
             pThreadInfo->start_table_from,
             pThreadInfo->ntables, insertRows);
 
-    uint32_t batchPerTbl = interlaceRows;
-    uint32_t batchPerTblTimes;
+    uint64_t timesInterlace = (insertRows / interlaceRows) + 1;
+    uint32_t precalcBatch = interlaceRows;
 
-    if (interlaceRows > g_args.reqPerReq)
-        interlaceRows = g_args.reqPerReq;
+    if (precalcBatch > g_args.reqPerReq)
+        precalcBatch = g_args.reqPerReq;
 
-    if ((interlaceRows > 0) && (pThreadInfo->ntables > 1)) {
-        batchPerTblTimes =
-            g_args.reqPerReq / interlaceRows;
-    } else {
-        batchPerTblTimes = 1;
-    }
+    if (precalcBatch > MAX_SAMPLES)
+        precalcBatch = MAX_SAMPLES;
 
     pThreadInfo->totalInsertRows = 0;
     pThreadInfo->totalAffectedRows = 0;
@@ -8515,27 +8507,27 @@ static void* syncWriteInterlaceStmtBatch(threadInfo *pThreadInfo, uint32_t inter
     uint64_t endTs;
 
     uint64_t tableSeq = pThreadInfo->start_table_from;
-    int64_t startTime = pThreadInfo->start_time;
+    int64_t startTime;
 
-    uint64_t generatedRecPerTbl = 0;
     bool flagSleep = true;
     uint64_t sleepTimeTotal = 0;
 
     int percentComplete = 0;
     int64_t totalRows = insertRows * pThreadInfo->ntables;
+    pThreadInfo->samplePos = 0;
 
-    while(pThreadInfo->totalInsertRows < pThreadInfo->ntables * insertRows) {
+    for (int64_t interlace = 0;
+            interlace < timesInterlace; interlace ++) {
         if ((flagSleep) && (insert_interval)) {
             st = taosGetTimestampMs();
             flagSleep = false;
         }
 
-        uint32_t recOfBatch = 0;
+        int64_t generated = 0;
+        int64_t samplePos;
 
-        int32_t generated;
-        for (uint64_t i = 0; i < batchPerTblTimes; i ++) {
+        for (; tableSeq < pThreadInfo->start_table_from + pThreadInfo->ntables; tableSeq ++) {
             char tableName[TSDB_TABLE_NAME_LEN];
-
             getTableName(tableName, pThreadInfo, tableSeq);
             if (0 == strlen(tableName)) {
                 errorPrint2("[%d] %s() LN%d, getTableName return null\n",
@@ -8543,127 +8535,121 @@ static void* syncWriteInterlaceStmtBatch(threadInfo *pThreadInfo, uint32_t inter
                 return NULL;
             }
 
-            if (stbInfo) {
-                generated = prepareStbStmtWithSample(
-                        pThreadInfo,
-                        tableName,
-                        tableSeq,
-                        batchPerTbl,
-                        insertRows, 0,
-                        startTime,
-                        &(pThreadInfo->samplePos));
-            } else {
-                debugPrint("[%d] %s() LN%d, tableName:%s, batch:%d startTime:%"PRId64"\n",
-                        pThreadInfo->threadID,
-                        __func__, __LINE__,
-                        tableName, batchPerTbl, startTime);
-                generated = prepareStmtWithoutStb(
-                        pThreadInfo,
-                        tableName,
-                        batchPerTbl,
-                        insertRows, i,
-                        startTime);
-            }
+            samplePos = pThreadInfo->samplePos;
+            startTime = pThreadInfo->start_time
+                + interlace * interlaceRows * timeStampStep;
+            uint64_t remainRecPerTbl =
+                    insertRows - interlaceRows * interlace;
+            uint64_t recPerTbl = 0;
 
-            debugPrint("[%d] %s() LN%d, generated records is %d\n",
-                    pThreadInfo->threadID, __func__, __LINE__, generated);
-            if (generated < 0) {
-                errorPrint2("[%d] %s() LN%d, generated records is %d\n",
-                        pThreadInfo->threadID, __func__, __LINE__, generated);
-                goto free_of_interlace_stmt;
-            } else if (generated == 0) {
-                break;
+            uint64_t remainPerInterlace;
+            if (remainRecPerTbl > interlaceRows) {
+                remainPerInterlace = interlaceRows;
+            } else {
+                remainPerInterlace = remainRecPerTbl;
             }
 
-            tableSeq ++;
-            recOfBatch += batchPerTbl;
+            while(remainPerInterlace > 0) {
 
-            pThreadInfo->totalInsertRows += batchPerTbl;
-
-            verbosePrint("[%d] %s() LN%d batchPerTbl=%d recOfBatch=%d\n",
-                    pThreadInfo->threadID, __func__, __LINE__,
-                    batchPerTbl, recOfBatch);
-
-            if (tableSeq == pThreadInfo->start_table_from + pThreadInfo->ntables) {
-                // turn to first table
-                tableSeq = pThreadInfo->start_table_from;
-                generatedRecPerTbl += batchPerTbl;
+                uint32_t batch;
+                if (remainPerInterlace > precalcBatch) {
+                    batch = precalcBatch;
+                } else {
+                    batch = remainPerInterlace;
+                }
+                debugPrint("[%d] %s() LN%d, tableName:%s, batch:%d startTime:%"PRId64"\n",
+                        pThreadInfo->threadID,
+                        __func__, __LINE__,
+                        tableName, batch, startTime);
 
-                startTime = pThreadInfo->start_time
-                    + generatedRecPerTbl * nTimeStampStep;
+                if (stbInfo) {
+                    generated = prepareStbStmt(
+                            pThreadInfo,
+                            tableName,
+                            tableSeq,
+                            batch,
+                            insertRows, 0,
+                            startTime,
+                            &samplePos);
+                } else {
+                    generated = prepareStmtWithoutStb(
+                            pThreadInfo,
+                            tableName,
+                            batch,
+                            insertRows,
+                            interlaceRows * interlace + recPerTbl,
+                            startTime);
+                }
 
-                flagSleep = true;
-                if (generatedRecPerTbl >= insertRows)
+                debugPrint("[%d] %s() LN%d, generated records is %"PRId64"\n",
+                        pThreadInfo->threadID, __func__, __LINE__, generated);
+                if (generated < 0) {
+                    errorPrint2("[%d] %s() LN%d, generated records is %"PRId64"\n",
+                            pThreadInfo->threadID, __func__, __LINE__, generated);
+                    goto free_of_interlace_stmt;
+                } else if (generated == 0) {
                     break;
+                }
 
-                int64_t remainRows = insertRows - generatedRecPerTbl;
-                if ((remainRows > 0) && (batchPerTbl > remainRows))
-                    batchPerTbl = remainRows;
+                recPerTbl += generated;
+                remainPerInterlace -= generated;
+                pThreadInfo->totalInsertRows += generated;
 
-                if (pThreadInfo->ntables * batchPerTbl < g_args.reqPerReq)
-                    break;
-            }
+                verbosePrint("[%d] %s() LN%d totalInsertRows=%"PRIu64"\n",
+                        pThreadInfo->threadID, __func__, __LINE__,
+                        pThreadInfo->totalInsertRows);
 
-            verbosePrint("[%d] %s() LN%d generatedRecPerTbl=%"PRId64" insertRows=%"PRId64"\n",
-                    pThreadInfo->threadID, __func__, __LINE__,
-                    generatedRecPerTbl, insertRows);
+                startTs = taosGetTimestampUs();
 
-            if ((g_args.reqPerReq - recOfBatch) < batchPerTbl)
-                break;
-        }
+                int64_t affectedRows = execInsert(pThreadInfo, generated);
 
-        verbosePrint("[%d] %s() LN%d recOfBatch=%d totalInsertRows=%"PRIu64"\n",
-                pThreadInfo->threadID, __func__, __LINE__, recOfBatch,
-                pThreadInfo->totalInsertRows);
+                endTs = taosGetTimestampUs();
+                uint64_t delay = endTs - startTs;
+                performancePrint("%s() LN%d, insert execution time is %10.2f ms\n",
+                        __func__, __LINE__, delay / 1000.0);
+                verbosePrint("[%d] %s() LN%d affectedRows=%"PRId64"\n",
+                        pThreadInfo->threadID,
+                        __func__, __LINE__, affectedRows);
 
-        startTs = taosGetTimestampUs();
+                if (delay > pThreadInfo->maxDelay) pThreadInfo->maxDelay = delay;
+                if (delay < pThreadInfo->minDelay) pThreadInfo->minDelay = delay;
+                pThreadInfo->cntDelay++;
+                pThreadInfo->totalDelay += delay;
 
-        if (recOfBatch == 0) {
-            errorPrint2("[%d] %s() LN%d Failed to insert records of batch %d\n",
-                    pThreadInfo->threadID, __func__, __LINE__,
-                    batchPerTbl);
-            if (batchPerTbl > 0) {
-                errorPrint("\tIf the batch is %d, the length of the SQL to insert a row must be less then %"PRId64"\n",
-                        batchPerTbl, maxSqlLen / batchPerTbl);
-            }
-            goto free_of_interlace_stmt;
-        }
-        int64_t affectedRows = execInsert(pThreadInfo, recOfBatch);
+                if (generated != affectedRows) {
+                    errorPrint2("[%d] %s() LN%d execInsert() insert %"PRId64", affected rows: %"PRId64"\n\n",
+                            pThreadInfo->threadID, __func__, __LINE__,
+                            generated, affectedRows);
+                    goto free_of_interlace_stmt;
+                }
 
-        endTs = taosGetTimestampUs();
-        uint64_t delay = endTs - startTs;
-        performancePrint("%s() LN%d, insert execution time is %10.2f ms\n",
-                __func__, __LINE__, delay / 1000.0);
-        verbosePrint("[%d] %s() LN%d affectedRows=%"PRId64"\n",
-                pThreadInfo->threadID,
-                __func__, __LINE__, affectedRows);
+                pThreadInfo->totalAffectedRows += affectedRows;
 
-        if (delay > pThreadInfo->maxDelay) pThreadInfo->maxDelay = delay;
-        if (delay < pThreadInfo->minDelay) pThreadInfo->minDelay = delay;
-        pThreadInfo->cntDelay++;
-        pThreadInfo->totalDelay += delay;
+                int currentPercent = pThreadInfo->totalAffectedRows * 100 / totalRows;
+                if (currentPercent > percentComplete ) {
+                    printf("[%d]:%d%%\n", pThreadInfo->threadID, currentPercent);
+                    percentComplete = currentPercent;
+                }
+                int64_t  currentPrintTime = taosGetTimestampMs();
+                if (currentPrintTime - lastPrintTime > 30*1000) {
+                    printf("thread[%d] has currently inserted rows: %"PRIu64 ", affected rows: %"PRIu64 "\n",
+                            pThreadInfo->threadID,
+                            pThreadInfo->totalInsertRows,
+                            pThreadInfo->totalAffectedRows);
+                    lastPrintTime = currentPrintTime;
+                }
 
-        if (recOfBatch != affectedRows) {
-            errorPrint2("[%d] %s() LN%d execInsert insert %d, affected rows: %"PRId64"\n\n",
-                    pThreadInfo->threadID, __func__, __LINE__,
-                    recOfBatch, affectedRows);
-            goto free_of_interlace_stmt;
+                startTime += (generated * timeStampStep);
+            }
         }
+        pThreadInfo->samplePos = samplePos;
 
-        pThreadInfo->totalAffectedRows += affectedRows;
+        if (tableSeq == pThreadInfo->start_table_from
+                + pThreadInfo->ntables) {
+            // turn to first table
+            tableSeq = pThreadInfo->start_table_from;
 
-        int currentPercent = pThreadInfo->totalAffectedRows * 100 / totalRows;
-        if (currentPercent > percentComplete ) {
-            printf("[%d]:%d%%\n", pThreadInfo->threadID, currentPercent);
-            percentComplete = currentPercent;
-        }
-        int64_t  currentPrintTime = taosGetTimestampMs();
-        if (currentPrintTime - lastPrintTime > 30*1000) {
-            printf("thread[%d] has currently inserted rows: %"PRIu64 ", affected rows: %"PRIu64 "\n",
-                    pThreadInfo->threadID,
-                    pThreadInfo->totalInsertRows,
-                    pThreadInfo->totalAffectedRows);
-            lastPrintTime = currentPrintTime;
+            flagSleep = true;
         }
 
         if ((insert_interval) && flagSleep) {
@@ -8693,7 +8679,7 @@ static void* syncWriteInterlaceStmt(threadInfo *pThreadInfo, uint32_t interlaceR
 
     int64_t insertRows;
     uint64_t maxSqlLen;
-    int64_t nTimeStampStep;
+    int64_t timeStampStep;
     uint64_t insert_interval;
 
     SSuperTable* stbInfo = pThreadInfo->stbInfo;
@@ -8701,12 +8687,12 @@ static void* syncWriteInterlaceStmt(threadInfo *pThreadInfo, uint32_t interlaceR
     if (stbInfo) {
         insertRows = stbInfo->insertRows;
         maxSqlLen = stbInfo->maxSqlLen;
-        nTimeStampStep = stbInfo->timeStampStep;
+        timeStampStep = stbInfo->timeStampStep;
         insert_interval = stbInfo->insertInterval;
     } else {
         insertRows = g_args.insertRows;
         maxSqlLen = g_args.max_sql_len;
-        nTimeStampStep = g_args.timestamp_step;
+        timeStampStep = g_args.timestamp_step;
         insert_interval = g_args.insert_interval;
     }
 
@@ -8767,8 +8753,12 @@ static void* syncWriteInterlaceStmt(threadInfo *pThreadInfo, uint32_t interlaceR
                 return NULL;
             }
 
+            debugPrint("[%d] %s() LN%d, tableName:%s, batch:%d startTime:%"PRId64"\n",
+                    pThreadInfo->threadID,
+                    __func__, __LINE__,
+                    tableName, batchPerTbl, startTime);
             if (stbInfo) {
-                generated = prepareStbStmtWithSample(
+                generated = prepareStbStmt(
                         pThreadInfo,
                         tableName,
                         tableSeq,
@@ -8777,10 +8767,6 @@ static void* syncWriteInterlaceStmt(threadInfo *pThreadInfo, uint32_t interlaceR
                         startTime,
                         &(pThreadInfo->samplePos));
             } else {
-                debugPrint("[%d] %s() LN%d, tableName:%s, batch:%d startTime:%"PRId64"\n",
-                        pThreadInfo->threadID,
-                        __func__, __LINE__,
-                        tableName, batchPerTbl, startTime);
                 generated = prepareStmtWithoutStb(
                         pThreadInfo,
                         tableName,
@@ -8814,7 +8800,7 @@ static void* syncWriteInterlaceStmt(threadInfo *pThreadInfo, uint32_t interlaceR
                 generatedRecPerTbl += batchPerTbl;
 
                 startTime = pThreadInfo->start_time
-                    + generatedRecPerTbl * nTimeStampStep;
+                    + generatedRecPerTbl * timeStampStep;
 
                 flagSleep = true;
                 if (generatedRecPerTbl >= insertRows)
@@ -8919,7 +8905,7 @@ static void* syncWriteInterlace(threadInfo *pThreadInfo, uint32_t interlaceRows)
 
     int64_t insertRows;
     uint64_t maxSqlLen;
-    int64_t nTimeStampStep;
+    int64_t timeStampStep;
     uint64_t insert_interval;
 
     SSuperTable* stbInfo = pThreadInfo->stbInfo;
@@ -8927,12 +8913,12 @@ static void* syncWriteInterlace(threadInfo *pThreadInfo, uint32_t interlaceRows)
     if (stbInfo) {
         insertRows = stbInfo->insertRows;
         maxSqlLen = stbInfo->maxSqlLen;
-        nTimeStampStep = stbInfo->timeStampStep;
+        timeStampStep = stbInfo->timeStampStep;
         insert_interval = stbInfo->insertInterval;
     } else {
         insertRows = g_args.insertRows;
         maxSqlLen = g_args.max_sql_len;
-        nTimeStampStep = g_args.timestamp_step;
+        timeStampStep = g_args.timestamp_step;
         insert_interval = g_args.insert_interval;
     }
 
@@ -9075,7 +9061,7 @@ static void* syncWriteInterlace(threadInfo *pThreadInfo, uint32_t interlaceRows)
                 generatedRecPerTbl += batchPerTbl;
 
                 startTime = pThreadInfo->start_time
-                    + generatedRecPerTbl * nTimeStampStep;
+                    + generatedRecPerTbl * timeStampStep;
 
                 flagSleep = true;
                 if (generatedRecPerTbl >= insertRows)
@@ -9176,6 +9162,144 @@ free_of_interlace:
     return NULL;
 }
 
+static void* syncWriteProgressiveStmt(threadInfo *pThreadInfo) {
+    debugPrint("%s() LN%d: ### stmt progressive write\n", __func__, __LINE__);
+
+    SSuperTable* stbInfo = pThreadInfo->stbInfo;
+    int64_t timeStampStep =
+        stbInfo?stbInfo->timeStampStep:g_args.timestamp_step;
+    int64_t insertRows =
+        (stbInfo)?stbInfo->insertRows:g_args.insertRows;
+    verbosePrint("%s() LN%d insertRows=%"PRId64"\n",
+            __func__, __LINE__, insertRows);
+
+    uint64_t lastPrintTime = taosGetTimestampMs();
+    uint64_t startTs = taosGetTimestampMs();
+    uint64_t endTs;
+
+    pThreadInfo->totalInsertRows = 0;
+    pThreadInfo->totalAffectedRows = 0;
+
+    pThreadInfo->samplePos = 0;
+
+    int percentComplete = 0;
+    int64_t totalRows = insertRows * pThreadInfo->ntables;
+
+    for (uint64_t tableSeq = pThreadInfo->start_table_from;
+            tableSeq <= pThreadInfo->end_table_to;
+            tableSeq ++) {
+        int64_t start_time = pThreadInfo->start_time;
+
+        for (uint64_t i = 0; i < insertRows;) {
+            char tableName[TSDB_TABLE_NAME_LEN];
+            getTableName(tableName, pThreadInfo, tableSeq);
+            verbosePrint("%s() LN%d: tid=%d seq=%"PRId64" tableName=%s\n",
+                    __func__, __LINE__,
+                    pThreadInfo->threadID, tableSeq, tableName);
+            if (0 == strlen(tableName)) {
+                errorPrint2("[%d] %s() LN%d, getTableName return null\n",
+                        pThreadInfo->threadID, __func__, __LINE__);
+                return NULL;
+            }
+
+            // measure prepare + insert
+            startTs = taosGetTimestampUs();
+
+            int32_t generated;
+            if (stbInfo) {
+                generated = prepareStbStmt(
+                        pThreadInfo,
+                        tableName,
+                        tableSeq,
+                        (g_args.reqPerReq>stbInfo->insertRows)?
+                        stbInfo->insertRows:
+                        g_args.reqPerReq,
+                        insertRows, i, start_time,
+                        &(pThreadInfo->samplePos));
+            } else {
+                generated = prepareStmtWithoutStb(
+                        pThreadInfo,
+                        tableName,
+                        g_args.reqPerReq,
+                        insertRows, i,
+                        start_time);
+            }
+
+            verbosePrint("[%d] %s() LN%d generated=%d\n",
+                    pThreadInfo->threadID,
+                    __func__, __LINE__, generated);
+
+            if (generated > 0)
+                i += generated;
+            else
+                goto free_of_stmt_progressive;
+
+            start_time +=  generated * timeStampStep;
+            pThreadInfo->totalInsertRows += generated;
+
+            // only measure insert
+            // startTs = taosGetTimestampUs();
+
+            int32_t affectedRows = execInsert(pThreadInfo, generated);
+
+            endTs = taosGetTimestampUs();
+            uint64_t delay = endTs - startTs;
+            performancePrint("%s() LN%d, insert execution time is %10.f ms\n",
+                    __func__, __LINE__, delay/1000.0);
+            verbosePrint("[%d] %s() LN%d affectedRows=%d\n",
+                    pThreadInfo->threadID,
+                    __func__, __LINE__, affectedRows);
+
+            if (delay > pThreadInfo->maxDelay) pThreadInfo->maxDelay = delay;
+            if (delay < pThreadInfo->minDelay) pThreadInfo->minDelay = delay;
+            pThreadInfo->cntDelay++;
+            pThreadInfo->totalDelay += delay;
+
+            if (affectedRows < 0) {
+                errorPrint2("%s() LN%d, affected rows: %d\n",
+                        __func__, __LINE__, affectedRows);
+                goto free_of_stmt_progressive;
+            }
+
+            pThreadInfo->totalAffectedRows += affectedRows;
+
+            int currentPercent = pThreadInfo->totalAffectedRows * 100 / totalRows;
+            if (currentPercent > percentComplete ) {
+                printf("[%d]:%d%%\n", pThreadInfo->threadID, currentPercent);
+                percentComplete = currentPercent;
+            }
+            int64_t  currentPrintTime = taosGetTimestampMs();
+            if (currentPrintTime - lastPrintTime > 30*1000) {
+                printf("thread[%d] has currently inserted rows: %"PRId64 ", affected rows: %"PRId64 "\n",
+                        pThreadInfo->threadID,
+                        pThreadInfo->totalInsertRows,
+                        pThreadInfo->totalAffectedRows);
+                lastPrintTime = currentPrintTime;
+            }
+
+            if (i >= insertRows)
+                break;
+        }   // insertRows
+
+        if ((g_args.verbose_print) &&
+                (tableSeq == pThreadInfo->ntables - 1) && (stbInfo)
+                && (0 == strncasecmp(
+                        stbInfo->dataSource,
+                        "sample", strlen("sample")))) {
+            verbosePrint("%s() LN%d samplePos=%"PRId64"\n",
+                    __func__, __LINE__, pThreadInfo->samplePos);
+        }
+    } // tableSeq
+
+    if (percentComplete < 100) {
+        printf("[%d]:%d%%\n", pThreadInfo->threadID, percentComplete);
+    }
+
+free_of_stmt_progressive:
+    tmfree(pThreadInfo->buffer);
+    printStatPerThread(pThreadInfo);
+    return NULL;
+}
 // sync insertion progressive data
 static void* syncWriteProgressive(threadInfo *pThreadInfo) {
     debugPrint("%s() LN%d: ### progressive write\n", __func__, __LINE__);
@@ -9242,7 +9366,7 @@ static void* syncWriteProgressive(threadInfo *pThreadInfo) {
             int32_t generated;
             if (stbInfo) {
                 if (stbInfo->iface == STMT_IFACE) {
-                    generated = prepareStbStmtWithSample(
+                    generated = prepareStbStmt(
                             pThreadInfo,
                             tableName,
                             tableSeq,
@@ -9374,20 +9498,28 @@ static void* syncWrite(void *sarg) {
 
     if (interlaceRows > 0) {
         // interlace mode
-        if (((stbInfo) && (STMT_IFACE == stbInfo->iface))
-                || (STMT_IFACE == g_args.iface)) {
+        if (stbInfo) {
+            if (STMT_IFACE == stbInfo->iface) {
 #if STMT_BIND_PARAM_BATCH == 1
-            return syncWriteInterlaceStmtBatch(pThreadInfo, interlaceRows);
+                return syncWriteInterlaceStmtBatch(pThreadInfo, interlaceRows);
 #else
-            return syncWriteInterlaceStmt(pThreadInfo, interlaceRows);
+                return syncWriteInterlaceStmt(pThreadInfo, interlaceRows);
 #endif
-        } else {
-            return syncWriteInterlace(pThreadInfo, interlaceRows);
+            } else {
+                return syncWriteInterlace(pThreadInfo, interlaceRows);
+            }
         }
-    }else {
-        // progressive mode
-        return syncWriteProgressive(pThreadInfo);
+    } else {
+      // progressive mode
+      if (((stbInfo) && (STMT_IFACE == stbInfo->iface))
+              || (STMT_IFACE == g_args.iface)) {
+          return syncWriteProgressiveStmt(pThreadInfo);
+      } else {
+          return syncWriteProgressive(pThreadInfo);
+      }
     }
+
+    return NULL;
 }
 
 static void callBack(void *param, TAOS_RES *res, int code) {
@@ -9518,24 +9650,24 @@ static void startMultiThreadInsertData(int threads, char* db_name,
         }
     }
 
-    int64_t start_time;
+    int64_t startTime;
     if (stbInfo) {
         if (0 == strncasecmp(stbInfo->startTimestamp, "now", 3)) {
-            start_time = taosGetTimestamp(timePrec);
+            startTime = taosGetTimestamp(timePrec);
         } else {
             if (TSDB_CODE_SUCCESS != taosParseTime(
                         stbInfo->startTimestamp,
-                        &start_time,
+                        &startTime,
                         strlen(stbInfo->startTimestamp),
                         timePrec, 0)) {
                 ERROR_EXIT("failed to parse time!\n");
             }
         }
     } else {
-        start_time = DEFAULT_START_TIME;
+        startTime = DEFAULT_START_TIME;
     }
-    debugPrint("%s() LN%d, start_time= %"PRId64"\n",
-            __func__, __LINE__, start_time);
+    debugPrint("%s() LN%d, startTime= %"PRId64"\n",
+            __func__, __LINE__, startTime);
 
     // read sample data from file first
     int ret;
@@ -9655,14 +9787,10 @@ static void startMultiThreadInsertData(int threads, char* db_name,
     }
 
     pthread_t *pids = calloc(1, threads * sizeof(pthread_t));
-    assert(pids != NULL);
-
     threadInfo *infos = calloc(1, threads * sizeof(threadInfo));
+    assert(pids != NULL);
     assert(infos != NULL);
 
-    memset(pids, 0, threads * sizeof(pthread_t));
-    memset(infos, 0, threads * sizeof(threadInfo));
-
     char *stmtBuffer = calloc(1, BUFFER_SIZE);
     assert(stmtBuffer);
 
@@ -9671,18 +9799,8 @@ static void startMultiThreadInsertData(int threads, char* db_name,
     uint32_t batch;
 
     if (stbInfo) {
-        if ((stbInfo->interlaceRows == 0)
-                && (g_args.interlaceRows > 0)
-                ) {
-            interlaceRows = g_args.interlaceRows;
-
-        } else {
+        if (stbInfo->interlaceRows < stbInfo->insertRows)
             interlaceRows = stbInfo->interlaceRows;
-        }
-
-        if (interlaceRows > stbInfo->insertRows) {
-            interlaceRows = 0;
-        }
     } else {
         if (g_args.interlaceRows < g_args.insertRows)
             interlaceRows = g_args.interlaceRows;
@@ -9739,7 +9857,7 @@ static void startMultiThreadInsertData(int threads, char* db_name,
         pThreadInfo->time_precision = timePrec;
         pThreadInfo->stbInfo = stbInfo;
 
-        pThreadInfo->start_time = start_time;
+        pThreadInfo->start_time = startTime;
         pThreadInfo->minDelay = UINT64_MAX;
 
         if ((NULL == stbInfo) ||
@@ -9955,7 +10073,7 @@ static void *readTable(void *sarg) {
     char *command = calloc(1, BUFFER_SIZE);
     assert(command);
 
-    uint64_t sTime = pThreadInfo->start_time;
+    uint64_t startTime = pThreadInfo->start_time;
     char *tb_prefix = pThreadInfo->tb_prefix;
     FILE *fp = fopen(pThreadInfo->filePath, "a");
     if (NULL == fp) {
@@ -9988,7 +10106,7 @@ static void *readTable(void *sarg) {
         uint64_t count = 0;
         for (int64_t i = 0; i < ntables; i++) {
             sprintf(command, "SELECT %s FROM %s%"PRId64" WHERE ts>= %" PRIu64,
-                    g_aggreFunc[j], tb_prefix, i, sTime);
+                    g_aggreFunc[j], tb_prefix, i, startTime);
 
             double t = taosGetTimestampMs();
             TAOS_RES *pSql = taos_query(taos, command);