Merge branch 'develop' into feature/TD-5331

documentation20/cn/02.getting-started/docs.md

@@ -126,7 +126,7 @@ taos> source <filename>;
 $ taosdemo
 ```
 
-该命令将在数据库 test 下面自动创建一张超级表 meters，该超级表下有 1 万张表，表名为 "t0" 到 "t9999"，每张表有 1 万条记录，每条记录有 (ts, current, voltage, phase) 四个字段，时间戳从 "2017-07-14 10:40:00 000" 到 "2017-07-14 10:40:09 999"，每张表带有标签 location 和 groupdId，groupdId 被设置为 1 到 10， location 被设置为 "beijing" 或者 "shanghai"。
+该命令将在数据库 test 下面自动创建一张超级表 meters，该超级表下有 1 万张表，表名为 "d0" 到 "d9999"，每张表有 1 万条记录，每条记录有 (ts, current, voltage, phase) 四个字段，时间戳从 "2017-07-14 10:40:00 000" 到 "2017-07-14 10:40:09 999"，每张表带有标签 location 和 groupdId，groupdId 被设置为 1 到 10， location 被设置为 "beijing" 或者 "shanghai"。
 
 执行这条命令大概需要几分钟，最后共插入 1 亿条记录。
 
@@ -156,10 +156,10 @@ taos> select count(*) from test.meters where location="beijing";
 taos> select avg(current), max(voltage), min(phase) from test.meters where groupdId=10;
 ```
 
-- 对表 t10 按 10s 进行平均值、最大值和最小值聚合统计：
+- 对表 d10 按 10s 进行平均值、最大值和最小值聚合统计：
 
 ```mysql
-taos> select avg(current), max(voltage), min(phase) from test.t10 interval(10s);
+taos> select avg(current), max(voltage), min(phase) from test.d10 interval(10s);
 ```
 
 **Note:** taosdemo 命令本身带有很多选项，配置表的数目、记录条数等等，请执行 `taosdemo --help` 详细列出。您可以设置不同参数进行体验。

src/client/inc/tscUtil.h

@@ -108,6 +108,7 @@ int32_t converToStr(char *str, int type, void *buf, int32_t bufSize, int32_t *le
 
 int32_t tscCreateDataBlock(size_t initialSize, int32_t rowSize, int32_t startOffset, SName* name, STableMeta* pTableMeta, STableDataBlocks** dataBlocks);
 void tscDestroyDataBlock(STableDataBlocks* pDataBlock, bool removeMeta);
+void    tscSortRemoveDataBlockDupRowsRaw(STableDataBlocks* dataBuf);
 int     tscSortRemoveDataBlockDupRows(STableDataBlocks* dataBuf, SBlockKeyInfo* pBlkKeyInfo);
 int32_t tsSetBlockInfo(SSubmitBlk *pBlocks, const STableMeta *pTableMeta, int32_t numOfRows);
 

src/client/inc/tsclient.h

@@ -160,6 +160,7 @@ typedef struct SInsertStatementParam {
   SHashObj    *pTableBlockHashList;     // data block for each table
   SArray      *pDataBlocks;             // SArray<STableDataBlocks*>. Merged submit block for each vgroup
   int8_t       schemaAttached;          // denote if submit block is built with table schema or not
+  uint8_t      payloadType;             // EPayloadType. 0: K-V payload for non-prepare insert, 1: rawPayload for prepare insert
   STagData     tagData;                 // NOTE: pTagData->data is used as a variant length array
 
   int32_t      batchSize;               // for parameter ('?') binding and batch processing
@@ -171,6 +172,14 @@ typedef struct SInsertStatementParam {
   char        *sql;                     // current sql statement position
 } SInsertStatementParam;
 
+typedef enum {
+  PAYLOAD_TYPE_KV = 0,
+  PAYLOAD_TYPE_RAW = 1,
+} EPayloadType;
+
+#define IS_RAW_PAYLOAD(t) \
+  (((int)(t)) == PAYLOAD_TYPE_RAW)  // 0: K-V payload for non-prepare insert, 1: rawPayload for prepare insert
+
 // TODO extract sql parser supporter
 typedef struct {
   int     command;

src/client/src/tscParseInsert.c

@@ -425,7 +425,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_BOOL: {  // bool
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_BOOL), TYPE_BYTES[TSDB_DATA_TYPE_BOOL], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_BOOL), TYPE_BYTES[TSDB_DATA_TYPE_BOOL], tOffset);
       } else {
         if ((pToken->type == TK_BOOL || pToken->type == TK_STRING) && (pToken->n != 0)) {
           if (strncmp(pToken->z, "true", pToken->n) == 0) {
@@ -459,7 +459,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_TINYINT:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_TINYINT), TYPE_BYTES[TSDB_DATA_TYPE_TINYINT], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_TINYINT), TYPE_BYTES[TSDB_DATA_TYPE_TINYINT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, true);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -479,7 +479,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_UTINYINT:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_UTINYINT), TYPE_BYTES[TSDB_DATA_TYPE_UTINYINT], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_UTINYINT), TYPE_BYTES[TSDB_DATA_TYPE_UTINYINT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, false);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -499,7 +499,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_SMALLINT:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_SMALLINT), TYPE_BYTES[TSDB_DATA_TYPE_SMALLINT], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_SMALLINT), TYPE_BYTES[TSDB_DATA_TYPE_SMALLINT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, true);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -520,7 +520,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
       if (isNullStr(pToken)) {
         *sizeAppend =
             tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                 tdGetNullVal(TSDB_DATA_TYPE_USMALLINT), TYPE_BYTES[TSDB_DATA_TYPE_USMALLINT], tOffset);
+                                 getNullValue(TSDB_DATA_TYPE_USMALLINT), TYPE_BYTES[TSDB_DATA_TYPE_USMALLINT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, false);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -540,7 +540,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_INT:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_INT), TYPE_BYTES[TSDB_DATA_TYPE_INT], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_INT), TYPE_BYTES[TSDB_DATA_TYPE_INT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, true);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -560,7 +560,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_UINT:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_UINT), TYPE_BYTES[TSDB_DATA_TYPE_UINT], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_UINT), TYPE_BYTES[TSDB_DATA_TYPE_UINT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, false);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -580,7 +580,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_BIGINT:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_BIGINT), TYPE_BYTES[TSDB_DATA_TYPE_BIGINT], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_BIGINT), TYPE_BYTES[TSDB_DATA_TYPE_BIGINT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, true);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -598,7 +598,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_UBIGINT:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_UBIGINT), TYPE_BYTES[TSDB_DATA_TYPE_UBIGINT], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_UBIGINT), TYPE_BYTES[TSDB_DATA_TYPE_UBIGINT], tOffset);
       } else {
         ret = tStrToInteger(pToken->z, pToken->type, pToken->n, &iv, false);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -639,7 +639,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
     case TSDB_DATA_TYPE_DOUBLE:
       if (isNullStr(pToken)) {
         *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                           tdGetNullVal(TSDB_DATA_TYPE_DOUBLE), TYPE_BYTES[TSDB_DATA_TYPE_DOUBLE], tOffset);
+                                           getNullValue(TSDB_DATA_TYPE_DOUBLE), TYPE_BYTES[TSDB_DATA_TYPE_DOUBLE], tOffset);
       } else {
         double dv;
         if (TK_ILLEGAL == tscToDouble(pToken, &dv, &endptr)) {
@@ -661,7 +661,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
       if (pToken->type == TK_NULL) {
         payloadColSetId(payload, pSchema->colId);
         payloadColSetType(payload, pSchema->type);
-        memcpy(POINTER_SHIFT(payloadStart, tOffset), tdGetNullVal(TSDB_DATA_TYPE_BINARY), VARSTR_HEADER_SIZE + CHAR_BYTES);
+        memcpy(POINTER_SHIFT(payloadStart, tOffset), getNullValue(TSDB_DATA_TYPE_BINARY), VARSTR_HEADER_SIZE + CHAR_BYTES);
         *sizeAppend = (TDRowLenT)(VARSTR_HEADER_SIZE + CHAR_BYTES);
       } else {  // too long values will return invalid sql, not be truncated automatically
         if (pToken->n + VARSTR_HEADER_SIZE > pSchema->bytes) {  // todo refactor
@@ -684,7 +684,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
       if (pToken->type == TK_NULL) {
         payloadColSetId(payload, pSchema->colId);
         payloadColSetType(payload, pSchema->type);
-        memcpy(POINTER_SHIFT(payloadStart,tOffset), tdGetNullVal(TSDB_DATA_TYPE_NCHAR), VARSTR_HEADER_SIZE + TSDB_NCHAR_SIZE);
+        memcpy(POINTER_SHIFT(payloadStart,tOffset), getNullValue(TSDB_DATA_TYPE_NCHAR), VARSTR_HEADER_SIZE + TSDB_NCHAR_SIZE);
         *sizeAppend = (TDRowLenT)(VARSTR_HEADER_SIZE + TSDB_NCHAR_SIZE);
       } else {
         // if the converted output len is over than pColumnModel->bytes, return error: 'Argument list too long'
@@ -716,7 +716,7 @@ static int32_t tsParseOneColumnKV(SSchema *pSchema, SStrToken *pToken, char *pay
           *kvRowColLen += (TDRowLenT)(sizeof(SColIdx) + TYPE_BYTES[TSDB_DATA_TYPE_TIMESTAMP]);
         } else {
           *sizeAppend = tsSetPayloadColValue(payloadStart, payload, pSchema->colId, pSchema->type,
-                                             tdGetNullVal(TSDB_DATA_TYPE_TIMESTAMP),
+                                             getNullValue(TSDB_DATA_TYPE_TIMESTAMP),
                                              TYPE_BYTES[TSDB_DATA_TYPE_TIMESTAMP], tOffset);
         }
       } else {
@@ -1069,9 +1069,8 @@ int32_t FORCE_INLINE tsSetBlockInfo(SSubmitBlk *pBlocks, const STableMeta *pTabl
   }
 }
 
-#if 0
 // data block is disordered, sort it in ascending order
-static void tscSortRemoveDataBlockDupRowsOld(STableDataBlocks *dataBuf) {
+void tscSortRemoveDataBlockDupRowsRaw(STableDataBlocks *dataBuf) {
   SSubmitBlk *pBlocks = (SSubmitBlk *)dataBuf->pData;
 
   // size is less than the total size, since duplicated rows may be removed yet.
@@ -1114,7 +1113,6 @@ static void tscSortRemoveDataBlockDupRowsOld(STableDataBlocks *dataBuf) {
 
   dataBuf->prevTS = INT64_MIN;
 }
-#endif
 
 // data block is disordered, sort it in ascending order
 int tscSortRemoveDataBlockDupRows(STableDataBlocks *dataBuf, SBlockKeyInfo *pBlkKeyInfo) {

src/client/src/tscPrepare.c

@@ -293,7 +293,6 @@ static char* normalStmtBuildSql(STscStmt* stmt) {
   return taosStringBuilderGetResult(&sb, NULL);
 }
 
-#if 0
 static int fillColumnsNull(STableDataBlocks* pBlock, int32_t rowNum) {
   SParsedDataColInfo* spd = &pBlock->boundColumnInfo;
   int32_t offset = 0;
@@ -321,129 +320,8 @@ static int fillColumnsNull(STableDataBlocks* pBlock, int32_t rowNum) {
 
   return TSDB_CODE_SUCCESS;
 }
-#endif
-
-/**
- * input:
- * - schema:
- * - payload:
- * - spd:
- * output:
- * - pBlock with data block replaced by K-V format
- */
-static int refactorPayload(STableDataBlocks* pBlock, int32_t rowNum) {
-  SParsedDataColInfo* spd = &pBlock->boundColumnInfo;
-  SSchema*            schema = (SSchema*)pBlock->pTableMeta->schema;
-  SMemRowHelper*      pHelper = &pBlock->rowHelper;
-  STableMeta*         pTableMeta = pBlock->pTableMeta;
-  STableComInfo       tinfo = tscGetTableInfo(pTableMeta);
-  int                 code = TSDB_CODE_SUCCESS;
-  int32_t             extendedRowSize = getExtendedRowSize(&tinfo);
-  TDRowTLenT          destPayloadSize = sizeof(SSubmitBlk);
-
-  ASSERT(pHelper->allNullLen >= 8);
-
-  TDRowTLenT  destAllocSize = sizeof(SSubmitBlk) + rowNum * extendedRowSize;
-  SSubmitBlk* pDestBlock = tcalloc(destAllocSize, 1);
-  if (pDestBlock == NULL) {
-    return TSDB_CODE_TSC_OUT_OF_MEMORY;
-  }
-  memcpy(pDestBlock, pBlock->pData, sizeof(SSubmitBlk));
-  char* destPayload = (char*)pDestBlock + sizeof(SSubmitBlk);
-
-  char* srcPayload = (char*)pBlock->pData + sizeof(SSubmitBlk);
-
-  for (int n = 0; n < rowNum; ++n) {
-    payloadSetNCols(destPayload, spd->numOfBound);
-
-    TDRowTLenT dataRowLen = pHelper->allNullLen;
-    TDRowTLenT kvRowLen = TD_MEM_ROW_KV_VER_SIZE + sizeof(SColIdx) * spd->numOfBound;
-    TDRowTLenT payloadValOffset = payloadValuesOffset(destPayload);  // rely on payloadNCols
-    TDRowLenT  colValOffset = 0;
-
-    char* kvPrimaryKeyStart = destPayload + PAYLOAD_HEADER_LEN;  // primaryKey in 1st column tuple
-    char* kvStart = kvPrimaryKeyStart + PAYLOAD_COL_HEAD_LEN;    // the column tuple behind the primaryKey
-
-    for (int32_t i = 0; i < spd->numOfBound; ++i) {
-      int32_t colIndex = spd->boundedColumns[i];
-      ASSERT(spd->cols[colIndex].hasVal);
-      char*    start = srcPayload + spd->cols[colIndex].offset;
-      SSchema* pSchema = &schema[colIndex];  // get colId here
-      bool     isPrimaryKey = (colIndex == PRIMARYKEY_TIMESTAMP_COL_INDEX);
-
-      // the primary key locates in 1st column
-      if (!IS_DATA_COL_ORDERED(spd->orderStatus)) {
-        ASSERT(spd->colIdxInfo != NULL);
-        if (!isPrimaryKey) {
-          kvStart = POINTER_SHIFT(kvPrimaryKeyStart, spd->colIdxInfo[i].finalIdx * PAYLOAD_COL_HEAD_LEN);
-        } else {
-          ASSERT(spd->colIdxInfo[i].finalIdx == 0);
-        }
-      }
-      if (isPrimaryKey) {
-        payloadColSetId(kvPrimaryKeyStart, pSchema->colId);
-        payloadColSetType(kvPrimaryKeyStart, pSchema->type);
-        payloadColSetOffset(kvPrimaryKeyStart, colValOffset);
-        memcpy(POINTER_SHIFT(destPayload, payloadValOffset + colValOffset), start, TYPE_BYTES[pSchema->type]);
-        colValOffset += TYPE_BYTES[pSchema->type];
-        kvRowLen += TYPE_BYTES[pSchema->type];
-      } else {
-        payloadColSetId(kvStart, pSchema->colId);
-        payloadColSetType(kvStart, pSchema->type);
-        payloadColSetOffset(kvStart, colValOffset);
-        if (IS_VAR_DATA_TYPE(pSchema->type)) {
-          varDataCopy(POINTER_SHIFT(destPayload, payloadValOffset + colValOffset), start);
-          colValOffset += varDataTLen(start);
-          kvRowLen += varDataTLen(start);
-          if (pSchema->type == TSDB_DATA_TYPE_BINARY) {
-            dataRowLen += (varDataLen(start) - CHAR_BYTES);
-          } else if (pSchema->type == TSDB_DATA_TYPE_NCHAR) {
-            dataRowLen += (varDataLen(start) - TSDB_NCHAR_SIZE);
-          } else {
-            ASSERT(0);
-          }
-        } else {
-          memcpy(POINTER_SHIFT(destPayload, payloadValOffset + colValOffset), start, TYPE_BYTES[pSchema->type]);
-          colValOffset += TYPE_BYTES[pSchema->type];
-          kvRowLen += TYPE_BYTES[pSchema->type];
-        }
-
-        if (IS_DATA_COL_ORDERED(spd->orderStatus)) {
-          kvStart += PAYLOAD_COL_HEAD_LEN;  // move to next column
-        }
-      }
-
-
-    }  // end of column
-
-    if (kvRowLen < dataRowLen) {
-      payloadSetType(destPayload, SMEM_ROW_KV);
-    } else {
-      payloadSetType(destPayload, SMEM_ROW_DATA);
-    }
-
-    ASSERT(colValOffset <= TSDB_MAX_BYTES_PER_ROW);
 
-    TDRowTLenT len = payloadValOffset + colValOffset;
-    payloadSetTLen(destPayload, len);
 
-    // next loop
-    srcPayload += pBlock->rowSize;
-    destPayload += len;
-
-    destPayloadSize += len;
-  }  // end of row
-  
-  ASSERT(destPayloadSize <= destAllocSize);
-
-  tfree(pBlock->pData);
-  pBlock->pData = (char*)pDestBlock;
-  pBlock->nAllocSize = destAllocSize;
-  pBlock->size = destPayloadSize;
-
-  return code;
-}
-#if 0
 int32_t fillTablesColumnsNull(SSqlObj* pSql) {
   SSqlCmd* pCmd = &pSql->cmd;
 
@@ -466,90 +344,9 @@ int32_t fillTablesColumnsNull(SSqlObj* pSql) {
 
   return TSDB_CODE_SUCCESS;
 }
-#endif
 
-/**
- * check and sort
- */
-static int initPayloadEnv(STableDataBlocks* pBlock, int32_t rowNum) {
-  SParsedDataColInfo* spd = &pBlock->boundColumnInfo;
-  if (spd->orderStatus != ORDER_STATUS_UNKNOWN) {
-    return TSDB_CODE_SUCCESS;
-  }
-
-  bool isOrdered = true;
-  int32_t lastColIdx = -1;
-  for (int32_t i = 0; i < spd->numOfBound; ++i) {
-    ASSERT(spd->cols[i].hasVal);
-    int32_t colIdx = spd->boundedColumns[i];
-    if (isOrdered) {
-      if (lastColIdx > colIdx) {
-        isOrdered = false;
-        break;
-      } else {
-        lastColIdx = colIdx;
-      }
-    }
-  }
-
-  spd->orderStatus = isOrdered ? ORDER_STATUS_ORDERED : ORDER_STATUS_DISORDERED;
-
-  if (isOrdered) {
-    spd->colIdxInfo = NULL;
-  } else {
-    spd->colIdxInfo = calloc(spd->numOfBound, sizeof(SBoundIdxInfo));
-    if (spd->colIdxInfo == NULL) {
-      return TSDB_CODE_TSC_OUT_OF_MEMORY;
-    }
-    SBoundIdxInfo* pColIdx = spd->colIdxInfo;
-    for (uint16_t i = 0; i < spd->numOfBound; ++i) {
-      pColIdx[i].schemaColIdx = (uint16_t)spd->boundedColumns[i];
-      pColIdx[i].boundIdx = i;
-    }
-    qsort(pColIdx, spd->numOfBound, sizeof(SBoundIdxInfo), schemaIdxCompar);
-    for (uint16_t i = 0; i < spd->numOfBound; ++i) {
-      pColIdx[i].finalIdx = i;
-    }
-    qsort(pColIdx, spd->numOfBound, sizeof(SBoundIdxInfo), boundIdxCompar);
-  }
 
-  return TSDB_CODE_SUCCESS;
-}
-
-/**
- *  Refactor the raw payload structure to K-V format as the in tsParseOneRow()
- */
-int32_t fillTablesPayload(SSqlObj* pSql) {
-  SSqlCmd* pCmd = &pSql->cmd;
-  int      code = TSDB_CODE_SUCCESS;
-
-  STableDataBlocks** p = taosHashIterate(pCmd->insertParam.pTableBlockHashList, NULL);
 
-  STableDataBlocks* pOneTableBlock = *p;
-  while (pOneTableBlock) {
-    SSubmitBlk* pBlocks = (SSubmitBlk*)pOneTableBlock->pData;
-
-    if (pBlocks->numOfRows > 0) {
-      initSMemRowHelper(&pOneTableBlock->rowHelper, tscGetTableSchema(pOneTableBlock->pTableMeta),
-                        tscGetNumOfColumns(pOneTableBlock->pTableMeta), 0);
-      if ((code = initPayloadEnv(pOneTableBlock, pBlocks->numOfRows)) != TSDB_CODE_SUCCESS) {
-        return code;
-      }
-      if ((code = refactorPayload(pOneTableBlock, pBlocks->numOfRows)) != TSDB_CODE_SUCCESS) {
-        return code;
-      };
-    }
-
-    p = taosHashIterate(pCmd->insertParam.pTableBlockHashList, p);
-    if (p == NULL) {
-      break;
-    }
-
-    pOneTableBlock = *p;
-  }
-
-  return code;
-}
 ////////////////////////////////////////////////////////////////////////////////
 // functions for insertion statement preparation
 static FORCE_INLINE int doBindParam(STableDataBlocks* pBlock, char* data, SParamInfo* param, TAOS_BIND* bind, int32_t colNum) {
@@ -1362,12 +1159,9 @@ static int insertStmtExecute(STscStmt* stmt) {
   pBlk->uid = pTableMeta->id.uid;
   pBlk->tid = pTableMeta->id.tid;
 
-  int code = fillTablesPayload(stmt->pSql);
-  if (code != TSDB_CODE_SUCCESS) {
-    return code;
-  }
+  fillTablesColumnsNull(stmt->pSql);
 
-  code = tscMergeTableDataBlocks(&stmt->pSql->cmd.insertParam, false);
+  int code = tscMergeTableDataBlocks(&stmt->pSql->cmd.insertParam, false);
   if (code != TSDB_CODE_SUCCESS) {
     return code;
   }
@@ -1444,7 +1238,7 @@ static int insertBatchStmtExecute(STscStmt* pStmt) {
     return TSDB_CODE_TSC_APP_ERROR;
   }
 
-  fillTablesPayload(pStmt->pSql);
+  fillTablesColumnsNull(pStmt->pSql);
 
   if ((code = tscMergeTableDataBlocks(&pStmt->pSql->cmd.insertParam, false)) != TSDB_CODE_SUCCESS) {
     return code;
@@ -2131,6 +1925,7 @@ int taos_stmt_execute(TAOS_STMT* stmt) {
 
     pStmt->last = STMT_EXECUTE;
 
+    pStmt->pSql->cmd.insertParam.payloadType = PAYLOAD_TYPE_RAW;
     if (pStmt->multiTbInsert) {
       ret = insertBatchStmtExecute(pStmt);
     } else {

src/client/src/tscSQLParser.c

@@ -6010,6 +6010,16 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
       return invalidOperationMsg(pMsg, msg22);
     }
 
+    SSchema* pSchema = (SSchema*) pTableMetaInfo->pTableMeta->schema;
+    int16_t numOfColumns = pTableMetaInfo->pTableMeta->tableInfo.numOfColumns;
+    int16_t i;
+    uint32_t nLen = 0;
+    for (i = 0; i < numOfColumns; ++i) {
+      nLen += pSchema[i].colId != columnIndex.columnIndex ? pSchema[i].bytes : pItem->bytes;
+    }
+    if (nLen >= TSDB_MAX_BYTES_PER_ROW) {
+      return invalidOperationMsg(pMsg, msg24);
+    }
     TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
   }else if (pAlterSQL->type == TSDB_ALTER_TABLE_MODIFY_TAG_COLUMN) {
@@ -6051,6 +6061,17 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
       return invalidOperationMsg(pMsg, msg22);
     }
 
+    SSchema* pSchema = (SSchema*) pTableMetaInfo->pTableMeta->schema;
+    int16_t numOfColumns = pTableMetaInfo->pTableMeta->tableInfo.numOfColumns;
+    int16_t i;
+    uint32_t nLen = 0;
+    for (i = 0; i < numOfColumns; ++i) {
+      nLen += pSchema[i].colId != columnIndex.columnIndex ? pSchema[i].bytes : pItem->bytes;
+    }
+    if (nLen >= TSDB_MAX_BYTES_PER_ROW) {
+      return invalidOperationMsg(pMsg, msg24);
+    }
+
     TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
   }

src/client/src/tscUtil.c

@@ -1819,14 +1819,14 @@ static SMemRow tdGenMemRowFromBuilder(SMemRowBuilder* pBuilder) {
         p = payloadNextCol(p);
         ++i;
       } else {
-        tdAppendColVal(trow, tdGetNullVal(pSchema[j].type), pSchema[j].type, toffset);
+        tdAppendColVal(trow, getNullValue(pSchema[j].type), pSchema[j].type, toffset);
         toffset += TYPE_BYTES[pSchema[j].type];
         ++j;
       }
     }
 
     while (j < nCols) {
-      tdAppendColVal(trow, tdGetNullVal(pSchema[j].type), pSchema[j].type, toffset);
+      tdAppendColVal(trow, getNullValue(pSchema[j].type), pSchema[j].type, toffset);
       toffset += TYPE_BYTES[pSchema[j].type];
       ++j;
     }
@@ -1866,7 +1866,8 @@ static SMemRow tdGenMemRowFromBuilder(SMemRowBuilder* pBuilder) {
 }
 
 // Erase the empty space reserved for binary data
-static int trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock, bool includeSchema, SBlockKeyTuple *blkKeyTuple) {
+static int trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock, SInsertStatementParam* insertParam,
+                         SBlockKeyTuple* blkKeyTuple) {
   // TODO: optimize this function, handle the case while binary is not presented
   STableMeta*     pTableMeta = pTableDataBlock->pTableMeta;
   STableComInfo   tinfo = tscGetTableInfo(pTableMeta);
@@ -1879,7 +1880,7 @@ static int trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock, bo
   int32_t flen = 0;  // original total length of row
 
   // schema needs to be included into the submit data block
-  if (includeSchema) {
+  if (insertParam->schemaAttached) {
     int32_t numOfCols = tscGetNumOfColumns(pTableDataBlock->pTableMeta);
     for(int32_t j = 0; j < numOfCols; ++j) {
       STColumn* pCol = (STColumn*) pDataBlock;
@@ -1906,6 +1907,25 @@ static int trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock, bo
   pBlock->dataLen = 0;
   int32_t numOfRows = htons(pBlock->numOfRows);
 
+  if (IS_RAW_PAYLOAD(insertParam->payloadType)) {
+    for (int32_t i = 0; i < numOfRows; ++i) {
+      SMemRow memRow = (SMemRow)pDataBlock;
+      memRowSetType(memRow, SMEM_ROW_DATA);
+      SDataRow trow = memRowDataBody(memRow);
+      dataRowSetLen(trow, (uint16_t)(TD_DATA_ROW_HEAD_SIZE + flen));
+      dataRowSetVersion(trow, pTableMeta->sversion);
+
+      int toffset = 0;
+      for (int32_t j = 0; j < tinfo.numOfColumns; j++) {
+        tdAppendColVal(trow, p, pSchema[j].type, toffset);
+        toffset += TYPE_BYTES[pSchema[j].type];
+        p += pSchema[j].bytes;
+      }
+
+      pDataBlock = (char*)pDataBlock + memRowTLen(memRow);
+      pBlock->dataLen += memRowTLen(memRow);
+    }
+  } else {
     SMemRowBuilder rowBuilder;
     rowBuilder.pSchema = pSchema;
     rowBuilder.sversion = pTableMeta->sversion;
@@ -1919,6 +1939,7 @@ static int trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock, bo
       rowBuilder.buf = (blkKeyTuple + i)->payloadAddr;
       tdGenMemRowFromBuilder(&rowBuilder);
     }
+  }
 
   int32_t len = pBlock->dataLen + pBlock->schemaLen;
   pBlock->dataLen = htonl(pBlock->dataLen);
@@ -1963,6 +1984,7 @@ static void extractTableNameList(SInsertStatementParam *pInsertParam, bool freeB
 int32_t tscMergeTableDataBlocks(SInsertStatementParam *pInsertParam, bool freeBlockMap) {
   const int INSERT_HEAD_SIZE = sizeof(SMsgDesc) + sizeof(SSubmitMsg);
   int       code = 0;
+  bool      isRawPayload = IS_RAW_PAYLOAD(pInsertParam->payloadType);
   void*     pVnodeDataBlockHashList = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false);
   SArray*   pVnodeDataBlockList = taosArrayInit(8, POINTER_BYTES);
 
@@ -2010,6 +2032,14 @@ int32_t tscMergeTableDataBlocks(SInsertStatementParam *pInsertParam, bool freeBl
         }
       }
 
+      if (isRawPayload) {
+        tscSortRemoveDataBlockDupRowsRaw(pOneTableBlock);
+        char* ekey = (char*)pBlocks->data + pOneTableBlock->rowSize * (pBlocks->numOfRows - 1);
+
+        tscDebug("0x%" PRIx64 " name:%s, tid:%d rows:%d sversion:%d skey:%" PRId64 ", ekey:%" PRId64,
+                 pInsertParam->objectId, tNameGetTableName(&pOneTableBlock->tableName), pBlocks->tid,
+                 pBlocks->numOfRows, pBlocks->sversion, GET_INT64_VAL(pBlocks->data), GET_INT64_VAL(ekey));
+      } else {
         if ((code = tscSortRemoveDataBlockDupRows(pOneTableBlock, &blkKeyInfo)) != 0) {
           taosHashCleanup(pVnodeDataBlockHashList);
           tscDestroyBlockArrayList(pVnodeDataBlockList);
@@ -2017,13 +2047,13 @@ int32_t tscMergeTableDataBlocks(SInsertStatementParam *pInsertParam, bool freeBl
           tfree(blkKeyInfo.pKeyTuple);
           return code;
         }
-
         ASSERT(blkKeyInfo.pKeyTuple != NULL && pBlocks->numOfRows > 0);
 
         SBlockKeyTuple* pLastKeyTuple = blkKeyInfo.pKeyTuple + pBlocks->numOfRows - 1;
         tscDebug("0x%" PRIx64 " name:%s, tid:%d rows:%d sversion:%d skey:%" PRId64 ", ekey:%" PRId64,
-               pInsertParam->objectId, tNameGetTableName(&pOneTableBlock->tableName), pBlocks->tid, pBlocks->numOfRows,
-               pBlocks->sversion, blkKeyInfo.pKeyTuple->skey, pLastKeyTuple->skey);
+                 pInsertParam->objectId, tNameGetTableName(&pOneTableBlock->tableName), pBlocks->tid,
+                 pBlocks->numOfRows, pBlocks->sversion, blkKeyInfo.pKeyTuple->skey, pLastKeyTuple->skey);
+      }
       
       int32_t len = pBlocks->numOfRows * (pOneTableBlock->rowSize + expandSize) + sizeof(STColumn) * tscGetNumOfColumns(pOneTableBlock->pTableMeta);
 
@@ -2034,7 +2064,7 @@ int32_t tscMergeTableDataBlocks(SInsertStatementParam *pInsertParam, bool freeBl
       pBlocks->schemaLen = 0;
 
       // erase the empty space reserved for binary data
-      int32_t finalLen = trimDataBlock(dataBuf->pData + dataBuf->size, pOneTableBlock, pInsertParam->schemaAttached, blkKeyInfo.pKeyTuple);
+      int32_t finalLen = trimDataBlock(dataBuf->pData + dataBuf->size, pOneTableBlock, pInsertParam, blkKeyInfo.pKeyTuple);
       assert(finalLen <= len);
 
       dataBuf->size += (finalLen + sizeof(SSubmitBlk));

src/common/inc/tdataformat.h

@@ -24,35 +24,6 @@
 extern "C" {
 #endif
 
-#pragma pack(push, 1)
-typedef struct {
-  VarDataLenT len;
-  uint8_t     data;
-} SBinaryNullT;
-
-typedef struct {
-  VarDataLenT len;
-  uint32_t    data;
-} SNCharNullT;
-#pragma pack(pop)
-
-extern const uint8_t      BoolNull;
-extern const uint8_t      TinyintNull;
-extern const uint16_t     SmallintNull;
-extern const uint32_t     IntNull;
-extern const uint64_t     BigintNull;
-extern const uint64_t     TimestampNull;
-extern const uint8_t      UTinyintNull;
-extern const uint16_t     USmallintNull;
-extern const uint32_t     UIntNull;
-extern const uint64_t     UBigintNull;
-extern const uint32_t     FloatNull;
-extern const uint64_t     DoubleNull;
-extern const SBinaryNullT BinaryNull;
-extern const SNCharNullT  NcharNull;
-
-const void *tdGetNullVal(int8_t type);
-
 #define STR_TO_VARSTR(x, str)                     \
   do {                                            \
     VarDataLenT __len = (VarDataLenT)strlen(str); \
@@ -287,7 +258,7 @@ void dataColSetNEleNull(SDataCol *pCol, int nEle, int maxPoints);
 // Get the data pointer from a column-wised data
 static FORCE_INLINE const void *tdGetColDataOfRow(SDataCol *pCol, int row) {
   if (isAllRowsNull(pCol)) {
-    return tdGetNullVal(pCol->type);
+    return getNullValue(pCol->type);
   }
   if (IS_VAR_DATA_TYPE(pCol->type)) {
     return POINTER_SHIFT(pCol->pData, pCol->dataOff[row]);

src/common/src/tdataformat.c

@@ -18,21 +18,6 @@
 #include "tcoding.h"
 #include "wchar.h"
 
-const uint8_t      BoolNull = TSDB_DATA_BOOL_NULL;
-const uint8_t      TinyintNull = TSDB_DATA_TINYINT_NULL;
-const uint16_t     SmallintNull = TSDB_DATA_SMALLINT_NULL;
-const uint32_t     IntNull = TSDB_DATA_INT_NULL;
-const uint64_t     BigintNull = TSDB_DATA_BIGINT_NULL;
-const uint64_t     TimestampNull = TSDB_DATA_BIGINT_NULL;
-const uint8_t      UTinyintNull = TSDB_DATA_UTINYINT_NULL;
-const uint16_t     USmallintNull = TSDB_DATA_USMALLINT_NULL;
-const uint32_t     UIntNull = TSDB_DATA_UINT_NULL;
-const uint64_t     UBigintNull = TSDB_DATA_UBIGINT_NULL;
-const uint32_t     FloatNull = TSDB_DATA_FLOAT_NULL;
-const uint64_t     DoubleNull = TSDB_DATA_DOUBLE_NULL;
-const SBinaryNullT BinaryNull = {1, TSDB_DATA_BINARY_NULL};
-const SNCharNullT  NcharNull = {4, TSDB_DATA_NCHAR_NULL};
-
 static void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, int limit1, SDataCols *src2, int *iter2,
                                int limit2, int tRows);
 
@@ -453,7 +438,7 @@ static void tdAppendDataRowToDataCol(SDataRow row, STSchema *pSchema, SDataCols
       SDataCol *pDataCol = &(pCols->cols[dcol]);
       if (rcol >= schemaNCols(pSchema)) {
         // dataColSetNullAt(pDataCol, pCols->numOfRows);
-        dataColAppendVal(pDataCol, tdGetNullVal(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
+        dataColAppendVal(pDataCol, getNullValue(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
         dcol++;
         continue;
       }
@@ -468,7 +453,7 @@ static void tdAppendDataRowToDataCol(SDataRow row, STSchema *pSchema, SDataCols
         rcol++;
       } else {
         // dataColSetNullAt(pDataCol, pCols->numOfRows);
-        dataColAppendVal(pDataCol, tdGetNullVal(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
+        dataColAppendVal(pDataCol, getNullValue(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
         dcol++;
       }
     }
@@ -498,7 +483,7 @@ static void tdAppendKvRowToDataCol(SKVRow row, STSchema *pSchema, SDataCols *pCo
       SDataCol *pDataCol = &(pCols->cols[dcol]);
       if (rcol >= nRowCols || rcol >= schemaNCols(pSchema)) {
         // dataColSetNullAt(pDataCol, pCols->numOfRows);
-        dataColAppendVal(pDataCol, tdGetNullVal(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
+        dataColAppendVal(pDataCol, getNullValue(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
         ++dcol;
         continue;
       }
@@ -514,7 +499,7 @@ static void tdAppendKvRowToDataCol(SKVRow row, STSchema *pSchema, SDataCols *pCo
         ++rcol;
       } else {
         // dataColSetNullAt(pDataCol, pCols->numOfRows);
-        dataColAppendVal(pDataCol, tdGetNullVal(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
+        dataColAppendVal(pDataCol, getNullValue(pDataCol->type), pCols->numOfRows, pCols->maxPoints);
         ++dcol;
       }
     }
@@ -800,39 +785,3 @@ SKVRow tdGetKVRowFromBuilder(SKVRowBuilder *pBuilder) {
 
   return row;
 }
\ No newline at end of file
-
-const void *tdGetNullVal(int8_t type) {
-  switch (type) {
-    case TSDB_DATA_TYPE_BOOL:
-      return &BoolNull;
-    case TSDB_DATA_TYPE_TINYINT:
-      return &TinyintNull;
-    case TSDB_DATA_TYPE_SMALLINT:
-      return &SmallintNull;
-    case TSDB_DATA_TYPE_INT:
-      return &IntNull;
-    case TSDB_DATA_TYPE_BIGINT:
-      return &BigintNull;
-    case TSDB_DATA_TYPE_FLOAT:
-      return &FloatNull;
-    case TSDB_DATA_TYPE_DOUBLE:
-      return &DoubleNull;
-    case TSDB_DATA_TYPE_BINARY:
-      return &BinaryNull;
-    case TSDB_DATA_TYPE_TIMESTAMP:
-      return &TimestampNull;
-    case TSDB_DATA_TYPE_NCHAR:
-      return &NcharNull;
-    case TSDB_DATA_TYPE_UTINYINT:
-      return &UTinyintNull;
-    case TSDB_DATA_TYPE_USMALLINT:
-      return &USmallintNull;
-    case TSDB_DATA_TYPE_UINT:
-      return &UIntNull;
-    case TSDB_DATA_TYPE_UBIGINT:
-      return &UBigintNull;
-    default:
-      ASSERT(0);
-      return NULL;
-  }
-}
\ No newline at end of file

src/common/src/ttypes.c

@@ -503,19 +503,21 @@ static uint8_t   nullTinyIntu = TSDB_DATA_UTINYINT_NULL;
 static uint16_t     nullSmallIntu = TSDB_DATA_USMALLINT_NULL;
 static uint32_t     nullIntu = TSDB_DATA_UINT_NULL;
 static uint64_t     nullBigIntu = TSDB_DATA_UBIGINT_NULL;
+static SBinaryNullT nullBinary = {1, TSDB_DATA_BINARY_NULL};
+static SNCharNullT  nullNchar = {4, TSDB_DATA_NCHAR_NULL};
 
-static union {
-  tstr str;
-  char pad[sizeof(tstr) + 4];
-} nullBinary = {.str = {.len = 1}}, nullNchar = {.str = {.len = 4}};
+// static union {
+//   tstr str;
+//   char pad[sizeof(tstr) + 4];
+// } nullBinary = {.str = {.len = 1}}, nullNchar = {.str = {.len = 4}};
 
-static void *nullValues[] = {
+static const void *nullValues[] = {
     &nullBool,     &nullTinyInt,   &nullSmallInt, &nullInt,    &nullBigInt,
     &nullFloat,    &nullDouble,    &nullBinary,   &nullBigInt, &nullNchar,
     &nullTinyIntu, &nullSmallIntu, &nullIntu,     &nullBigIntu,
 };
 
-void *getNullValue(int32_t type) {
+const void *getNullValue(int32_t type) {
   assert(type >= TSDB_DATA_TYPE_BOOL && type <= TSDB_DATA_TYPE_UBIGINT);
   return nullValues[type - 1];
 }

src/cq/src/cqMain.c

@@ -490,9 +490,9 @@ static void cqProcessStreamRes(void *param, TAOS_RES *tres, TAOS_ROW row) {
 
   for (int32_t i = 0; i < pSchema->numOfCols; i++) {
     STColumn *c = pSchema->columns + i;
-    void* val = row[i];
+    void *val = row[i];
     if (val == NULL) {
-      val = getNullValue(c->type);
+      val = (void *)getNullValue(c->type);
     } else if (c->type == TSDB_DATA_TYPE_BINARY) {
       val = ((char*)val) - sizeof(VarDataLenT);
     } else if (c->type == TSDB_DATA_TYPE_NCHAR) {

src/inc/taoserror.h

@@ -174,6 +174,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_MND_FIELD_NOT_EXIST           TAOS_DEF_ERROR_CODE(0, 0x036C)  //"Field does not exist")
 #define TSDB_CODE_MND_INVALID_STABLE_NAME       TAOS_DEF_ERROR_CODE(0, 0x036D)  //"Super table does not exist")
 #define TSDB_CODE_MND_INVALID_CREATE_TABLE_MSG  TAOS_DEF_ERROR_CODE(0, 0x036E)  //"Invalid create table message")
+#define TSDB_CODE_MND_EXCEED_MAX_ROW_BYTES      TAOS_DEF_ERROR_CODE(0, 0x036F)  //"Exceed max row bytes")
 
 #define TSDB_CODE_MND_INVALID_FUNC_NAME         TAOS_DEF_ERROR_CODE(0, 0x0370)  //"Invalid func name")
 #define TSDB_CODE_MND_INVALID_FUNC_LEN          TAOS_DEF_ERROR_CODE(0, 0x0371)  //"Invalid func length")

src/inc/ttype.h

@@ -20,6 +20,18 @@ typedef struct tstr {
   char        data[];
 } tstr;
 
+#pragma pack(push, 1)
+typedef struct {
+  VarDataLenT len;
+  uint8_t     data;
+} SBinaryNullT;
+
+typedef struct {
+  VarDataLenT len;
+  uint32_t    data;
+} SNCharNullT;
+#pragma pack(pop)
+
 #define VARSTR_HEADER_SIZE  sizeof(VarDataLenT)
 
 #define varDataLen(v)       ((VarDataLenT *)(v))[0]
@@ -182,7 +194,7 @@ bool isValidDataType(int32_t type);
 void  setVardataNull(char* val, int32_t type);
 void  setNull(char *val, int32_t type, int32_t bytes);
 void  setNullN(char *val, int32_t type, int32_t bytes, int32_t numOfElems);
-void *getNullValue(int32_t type);
+const void *getNullValue(int32_t type);
 
 void assignVal(char *val, const char *src, int32_t len, int32_t type);
 void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size, void* buf);

src/kit/taosdemo/taosdemo.c

@@ -71,8 +71,8 @@ extern char configDir[];
 
 #define HEAD_BUFF_LEN       TSDB_MAX_COLUMNS*24  // 16*MAX_COLUMNS + (192+32)*2 + insert into ..
 
-#define MAX_SQL_SIZE       65536
-#define BUFFER_SIZE        (65536*2)
+#define COL_BUFFER_LEN      (TSDB_MAX_BYTES_PER_ROW - 50)
+#define BUFFER_SIZE         (50 + TSDB_DB_NAME_LEN + TSDB_TABLE_NAME_LEN + TSDB_MAX_BYTES_PER_ROW + TSDB_MAX_TAGS_LEN)
 #define COND_BUF_LEN        (BUFFER_SIZE - 30)
 #define MAX_USERNAME_SIZE  64
 #define MAX_PASSWORD_SIZE  64
@@ -80,7 +80,6 @@ extern char configDir[];
 #define MAX_TB_NAME_SIZE   64
 #define MAX_DATA_SIZE      (16*TSDB_MAX_COLUMNS)+20     // max record len: 16*MAX_COLUMNS, timestamp string and ,('') need extra space
 #define OPT_ABORT          1 /* –abort */
-#define STRING_LEN         60000
 #define MAX_PREPARED_RAND  1000000
 #define MAX_FILE_NAME_LEN  256              // max file name length on linux is 255.
 
@@ -2707,7 +2706,7 @@ static int createSuperTable(
 
     char command[BUFFER_SIZE] = "\0";
 
-    char cols[STRING_LEN] = "\0";
+    char cols[COL_BUFFER_LEN] = "\0";
     int colIndex;
     int len = 0;
 
@@ -2723,55 +2722,55 @@ static int createSuperTable(
         char* dataType = superTbl->columns[colIndex].dataType;
 
         if (strcasecmp(dataType, "BINARY") == 0) {
-            len += snprintf(cols + len, STRING_LEN - len,
-                    ", col%d %s(%d)", colIndex, "BINARY",
+            len += snprintf(cols + len, COL_BUFFER_LEN - len,
+                    ", C%d %s(%d)", colIndex, "BINARY",
                     superTbl->columns[colIndex].dataLen);
             lenOfOneRow += superTbl->columns[colIndex].dataLen + 3;
         } else if (strcasecmp(dataType, "NCHAR") == 0) {
-            len += snprintf(cols + len, STRING_LEN - len,
-                    ", col%d %s(%d)", colIndex, "NCHAR",
+            len += snprintf(cols + len, COL_BUFFER_LEN - len,
+                    ", C%d %s(%d)", colIndex, "NCHAR",
                     superTbl->columns[colIndex].dataLen);
             lenOfOneRow += superTbl->columns[colIndex].dataLen + 3;
         } else if (strcasecmp(dataType, "INT") == 0)  {
             if ((g_args.demo_mode) && (colIndex == 1)) {
-                    len += snprintf(cols + len, STRING_LEN - len,
+                    len += snprintf(cols + len, COL_BUFFER_LEN - len,
                             ", VOLTAGE INT");
             } else {
-                len += snprintf(cols + len, STRING_LEN - len, ", col%d %s", colIndex, "INT");
+                len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s", colIndex, "INT");
             }
             lenOfOneRow += 11;
         } else if (strcasecmp(dataType, "BIGINT") == 0)  {
-            len += snprintf(cols + len, STRING_LEN - len, ", col%d %s",
+            len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s",
                     colIndex, "BIGINT");
             lenOfOneRow += 21;
         } else if (strcasecmp(dataType, "SMALLINT") == 0)  {
-            len += snprintf(cols + len, STRING_LEN - len, ", col%d %s",
+            len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s",
                     colIndex, "SMALLINT");
             lenOfOneRow += 6;
         } else if (strcasecmp(dataType, "TINYINT") == 0)  {
-            len += snprintf(cols + len, STRING_LEN - len, ", col%d %s", colIndex, "TINYINT");
+            len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s", colIndex, "TINYINT");
             lenOfOneRow += 4;
         } else if (strcasecmp(dataType, "BOOL") == 0)  {
-            len += snprintf(cols + len, STRING_LEN - len, ", col%d %s", colIndex, "BOOL");
+            len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s", colIndex, "BOOL");
             lenOfOneRow += 6;
         } else if (strcasecmp(dataType, "FLOAT") == 0) {
             if (g_args.demo_mode) {
                 if (colIndex == 0) {
-                    len += snprintf(cols + len, STRING_LEN - len, ", CURRENT FLOAT");
+                    len += snprintf(cols + len, COL_BUFFER_LEN - len, ", CURRENT FLOAT");
                 } else if (colIndex == 2) {
-                    len += snprintf(cols + len, STRING_LEN - len, ", PHASE FLOAT");
+                    len += snprintf(cols + len, COL_BUFFER_LEN - len, ", PHASE FLOAT");
                 }
             } else {
-                len += snprintf(cols + len, STRING_LEN - len, ", col%d %s", colIndex, "FLOAT");
+                len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s", colIndex, "FLOAT");
             }
 
             lenOfOneRow += 22;
         } else if (strcasecmp(dataType, "DOUBLE") == 0) {
-            len += snprintf(cols + len, STRING_LEN - len, ", col%d %s",
+            len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s",
                     colIndex, "DOUBLE");
             lenOfOneRow += 42;
         }  else if (strcasecmp(dataType, "TIMESTAMP") == 0) {
-            len += snprintf(cols + len, STRING_LEN - len, ", col%d %s",
+            len += snprintf(cols + len, COL_BUFFER_LEN - len, ", C%d %s",
                     colIndex, "TIMESTAMP");
             lenOfOneRow += 21;
         } else {
@@ -2803,60 +2802,63 @@ static int createSuperTable(
         return -1;
     }
 
-    char tags[STRING_LEN] = "\0";
+    char tags[TSDB_MAX_TAGS_LEN] = "\0";
     int tagIndex;
     len = 0;
 
     int lenOfTagOfOneRow = 0;
-    len += snprintf(tags + len, STRING_LEN - len, "(");
+    len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len, "(");
     for (tagIndex = 0; tagIndex < superTbl->tagCount; tagIndex++) {
         char* dataType = superTbl->tags[tagIndex].dataType;
 
         if (strcasecmp(dataType, "BINARY") == 0) {
             if ((g_args.demo_mode) && (tagIndex == 1)) {
-                len += snprintf(tags + len, STRING_LEN - len,
+                len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
                         "location BINARY(%d), ",
                         superTbl->tags[tagIndex].dataLen);
             } else {
-                len += snprintf(tags + len, STRING_LEN - len, "t%d %s(%d), ",
-                        tagIndex, "BINARY", superTbl->tags[tagIndex].dataLen);
+                len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                        "t%d %s(%d), ", tagIndex, "BINARY",
+                        superTbl->tags[tagIndex].dataLen);
             }
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 3;
         } else if (strcasecmp(dataType, "NCHAR") == 0) {
-            len += snprintf(tags + len, STRING_LEN - len, "t%d %s(%d), ", tagIndex,
+            len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                    "t%d %s(%d), ", tagIndex,
                     "NCHAR", superTbl->tags[tagIndex].dataLen);
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 3;
         } else if (strcasecmp(dataType, "INT") == 0)  {
             if ((g_args.demo_mode) && (tagIndex == 0)) {
-                len += snprintf(tags + len, STRING_LEN - len, "groupId INT, ");
+                len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                        "groupId INT, ");
             } else {
-                len += snprintf(tags + len, STRING_LEN - len, "t%d %s, ", tagIndex,
-                    "INT");
+                len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                        "t%d %s, ", tagIndex, "INT");
             }
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 11;
         } else if (strcasecmp(dataType, "BIGINT") == 0)  {
-            len += snprintf(tags + len, STRING_LEN - len, "t%d %s, ", tagIndex,
-                    "BIGINT");
+            len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                    "t%d %s, ", tagIndex, "BIGINT");
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 21;
         } else if (strcasecmp(dataType, "SMALLINT") == 0)  {
-            len += snprintf(tags + len, STRING_LEN - len, "t%d %s, ", tagIndex,
-                    "SMALLINT");
+            len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                    "t%d %s, ", tagIndex, "SMALLINT");
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 6;
         } else if (strcasecmp(dataType, "TINYINT") == 0)  {
-            len += snprintf(tags + len, STRING_LEN - len, "t%d %s, ", tagIndex,
-                    "TINYINT");
+            len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                    "t%d %s, ", tagIndex, "TINYINT");
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 4;
         } else if (strcasecmp(dataType, "BOOL") == 0)  {
-            len += snprintf(tags + len, STRING_LEN - len, "t%d %s, ", tagIndex,
-                    "BOOL");
+            len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                    "t%d %s, ", tagIndex, "BOOL");
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 6;
         } else if (strcasecmp(dataType, "FLOAT") == 0) {
-            len += snprintf(tags + len, STRING_LEN - len, "t%d %s, ", tagIndex,
-                    "FLOAT");
+            len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                    "t%d %s, ", tagIndex, "FLOAT");
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 22;
         } else if (strcasecmp(dataType, "DOUBLE") == 0) {
-            len += snprintf(tags + len, STRING_LEN - len, "t%d %s, ", tagIndex,
-                    "DOUBLE");
+            len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len,
+                    "t%d %s, ", tagIndex, "DOUBLE");
             lenOfTagOfOneRow += superTbl->tags[tagIndex].dataLen + 42;
         } else {
             taos_close(taos);
@@ -2867,7 +2869,7 @@ static int createSuperTable(
     }
 
     len -= 2;
-    len += snprintf(tags + len, STRING_LEN - len, ")");
+    len += snprintf(tags + len, TSDB_MAX_TAGS_LEN - len, ")");
 
     superTbl->lenOfTagOfOneRow = lenOfTagOfOneRow;
 
@@ -3026,7 +3028,7 @@ static void* createTable(void *sarg)
     uint64_t  lastPrintTime = taosGetTimestampMs();
 
     int buff_len;
-  buff_len = BUFFER_SIZE / 8;
+    buff_len = BUFFER_SIZE;
 
     pThreadInfo->buffer = calloc(buff_len, 1);
     if (pThreadInfo->buffer == NULL) {
@@ -3188,7 +3190,7 @@ static int startMultiThreadCreateChildTable(
 }
 
 static void createChildTables() {
-    char tblColsBuf[MAX_SQL_SIZE];
+    char tblColsBuf[TSDB_MAX_BYTES_PER_ROW];
     int len;
 
     for (int i = 0; i < g_Dbs.dbCount; i++) {
@@ -3220,21 +3222,21 @@ static void createChildTables() {
             }
         } else {
             // normal table
-            len = snprintf(tblColsBuf, MAX_SQL_SIZE, "(TS TIMESTAMP");
+            len = snprintf(tblColsBuf, TSDB_MAX_BYTES_PER_ROW, "(TS TIMESTAMP");
             for (int j = 0; j < g_args.num_of_CPR; j++) {
                 if ((strncasecmp(g_args.datatype[j], "BINARY", strlen("BINARY")) == 0)
                         || (strncasecmp(g_args.datatype[j],
                                 "NCHAR", strlen("NCHAR")) == 0)) {
-                    snprintf(tblColsBuf + len, MAX_SQL_SIZE - len,
-                            ", COL%d %s(%d)", j, g_args.datatype[j], g_args.len_of_binary);
+                    snprintf(tblColsBuf + len, TSDB_MAX_BYTES_PER_ROW - len,
+                            ",C%d %s(%d)", j, g_args.datatype[j], g_args.len_of_binary);
                 } else {
-                    snprintf(tblColsBuf + len, MAX_SQL_SIZE - len,
-                            ", COL%d %s", j, g_args.datatype[j]);
+                    snprintf(tblColsBuf + len, TSDB_MAX_BYTES_PER_ROW - len,
+                            ",C%d %s", j, g_args.datatype[j]);
                 }
                 len = strlen(tblColsBuf);
             }
 
-            snprintf(tblColsBuf + len, MAX_SQL_SIZE - len, ")");
+            snprintf(tblColsBuf + len, TSDB_MAX_BYTES_PER_ROW - len, ")");
 
             verbosePrint("%s() LN%d: dbName: %s num of tb: %"PRId64" schema: %s\n",
                     __func__, __LINE__,
@@ -7986,7 +7988,7 @@ static void initOfQueryMeta() {
   tstrncpy(g_queryInfo.password, TSDB_DEFAULT_PASS, MAX_PASSWORD_SIZE);
 }
 
-static void setParaFromArg(){
+static void setParaFromArg() {
     if (g_args.host) {
         tstrncpy(g_Dbs.host, g_args.host, MAX_HOSTNAME_SIZE);
     } else {
@@ -8022,10 +8024,10 @@ static void setParaFromArg(){
 
     g_Dbs.do_aggreFunc = true;
 
-    char dataString[STRING_LEN];
+    char dataString[TSDB_MAX_BYTES_PER_ROW];
     char **data_type = g_args.datatype;
 
-    memset(dataString, 0, STRING_LEN);
+    memset(dataString, 0, TSDB_MAX_BYTES_PER_ROW);
 
     if (strcasecmp(data_type[0], "BINARY") == 0
             || strcasecmp(data_type[0], "BOOL") == 0
@@ -8143,7 +8145,7 @@ static void querySqlFile(TAOS* taos, char* sqlFile)
   }
 
   int       read_len = 0;
-  char *    cmd = calloc(1, MAX_SQL_SIZE);
+  char *    cmd = calloc(1, TSDB_MAX_BYTES_PER_ROW);
   size_t    cmd_len = 0;
   char *    line = NULL;
   size_t    line_len = 0;
@@ -8151,7 +8153,7 @@ static void querySqlFile(TAOS* taos, char* sqlFile)
   double t = taosGetTimestampMs();
 
   while((read_len = tgetline(&line, &line_len, fp)) != -1) {
-    if (read_len >= MAX_SQL_SIZE) continue;
+    if (read_len >= TSDB_MAX_BYTES_PER_ROW) continue;
     line[--read_len] = '\0';
 
     if (read_len == 0 || isCommentLine(line)) {  // line starts with #
@@ -8174,7 +8176,7 @@ static void querySqlFile(TAOS* taos, char* sqlFile)
         tmfclose(fp);
         return;
     }
-    memset(cmd, 0, MAX_SQL_SIZE);
+    memset(cmd, 0, TSDB_MAX_BYTES_PER_ROW);
     cmd_len = 0;
   }
 

src/mnode/src/mnodeTable.c

@@ -1503,6 +1503,18 @@ static int32_t mnodeChangeSuperTableColumn(SMnodeMsg *pMsg) {
     return TSDB_CODE_MND_FIELD_NOT_EXIST;
   }
 
+  // check exceed max row bytes
+  int32_t i;
+  uint32_t nLen = 0;
+  for (i = 0; i < pStable->numOfColumns; ++i) {
+    nLen += (pStable->schema[i].colId == col) ? pAlter->schema[0].bytes : pStable->schema[i].bytes;
+  }
+  if (nLen > TSDB_MAX_BYTES_PER_ROW) {
+    mError("msg:%p, app:%p stable:%s, change column, name:%s exceed max row bytes", pMsg, pMsg->rpcMsg.ahandle,
+           pStable->info.tableId, name);
+    return TSDB_CODE_MND_EXCEED_MAX_ROW_BYTES;
+  }
+
   // update
   SSchema *schema = (SSchema *) (pStable->schema + col);
   ASSERT(schema->type == TSDB_DATA_TYPE_BINARY || schema->type == TSDB_DATA_TYPE_NCHAR);

src/tsdb/src/tsdbMeta.c

@@ -787,7 +787,7 @@ static char *getTagIndexKey(const void *pData) {
   void *    res = tdGetKVRowValOfCol(pTable->tagVal, pCol->colId);
   if (res == NULL) {
     // treat the column as NULL if we cannot find it
-    res = getNullValue(pCol->type);
+    res = (char*)getNullValue(pCol->type);
   }
   return res;
 }

src/util/src/terror.c

@@ -183,6 +183,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_FIELD_ALREAY_EXIST,       "Field already exists"
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_FIELD_NOT_EXIST,          "Field does not exist")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_STABLE_NAME,      "Super table does not exist")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_CREATE_TABLE_MSG, "Invalid create table message")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_EXCEED_MAX_ROW_BYTES,     "Exceed max row bytes")
 
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_FUNC_NAME,        "Invalid func name")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_FUNC_LEN,         "Invalid func length")

tests/pytest/query/query1970YearsAf.py

@@ -194,12 +194,12 @@ class TDTestCase:
         tdSql.checkRows(680)
 
         tdSql.query(
-            "select diff(col1) from t0 where t0.ts >= '1970-01-01 00:00:00.000' "
+            "select diff(c1) from t0 where t0.ts >= '1970-01-01 00:00:00.000' "
         )
         tdSql.checkRows(679)
 
         tdSql.query(
-            "select t0,col1 from stb2 where stb2.ts < '1970-01-01 00:00:00.000' order by ts"
+            "select t0,c1 from stb2 where stb2.ts < '1970-01-01 00:00:00.000' order by ts"
         )
         tdSql.checkRows(43200)
 

tests/pytest/tools/taosdemoAllTest/TD-4985/query-limit-offset.py

@@ -76,7 +76,7 @@ class TDTestCase:
                             % (1600000000000 + i, i, -10000+i, i))
             tdSql.execute('''insert into stb00_100 values(%d, %d, %d,'test90.%s')'''
                             % (1600000000000 + i, i, -10000+i, i))
-        tdSql.query("select * from stb0 where col2 like 'test99%' ")
+        tdSql.query("select * from stb0 where c2 like 'test99%' ")
         tdSql.checkRows(1000)
         tdSql.query("select * from stb0 where  tbname like 'stb00_9999'  limit 10" )
         tdSql.checkData(0, 1, 0)
@@ -86,7 +86,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test98%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test98%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_8888' limit 10" )
         tdSql.checkData(0, 1, 0)
@@ -96,7 +96,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test97%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test97%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_7777' limit 10" )
         tdSql.checkData(0, 1, 0)
@@ -106,7 +106,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test96%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test96%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_6666' limit 10" )
         tdSql.checkData(0, 1, 0)
@@ -116,7 +116,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test95%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test95%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_5555' limit 10" )
         tdSql.checkData(0, 1, 0)
@@ -126,7 +126,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select * from stb0 where col2 like 'test94%' ")
+        tdSql.query("select * from stb0 where c2 like 'test94%' ")
         tdSql.checkRows(1000)
         tdSql.query("select * from stb0 where tbname like 'stb00_4444' limit 10" )
         tdSql.checkData(0, 1, 0)
@@ -136,7 +136,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test93%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test93%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_3333' limit 100" )
         tdSql.checkData(0, 1, 0)
@@ -146,7 +146,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test92%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test92%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_2222' limit 100" )
         tdSql.checkData(0, 1, 0)
@@ -156,7 +156,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test91%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test91%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_1111' limit 100" )
         tdSql.checkData(0, 1, 0)
@@ -166,7 +166,7 @@ class TDTestCase:
         tdSql.checkData(0, 1, 5)
         tdSql.checkData(1, 1, 6)
         tdSql.checkData(2, 1, 7)
-        tdSql.query("select *  from stb0 where col2 like 'test90%' ")
+        tdSql.query("select *  from stb0 where c2 like 'test90%' ")
         tdSql.checkRows(1000)
         tdSql.query("select  *  from stb0 where tbname like 'stb00_100' limit 100" )
         tdSql.checkData(0, 1, 0)

tests/pytest/tools/taosdemoAllTest/TD-5213/insertSigcolumnsNum4096.py

@@ -73,8 +73,8 @@ class TDTestCase:
         #regular table
         sql = "create table tb(ts timestamp, "
         for i in range(1022):
-            sql += "col%d binary(14), " % (i + 1)
-        sql += "col1023 binary(22))"        
+            sql += "c%d binary(14), " % (i + 1)
+        sql += "c1023 binary(22))"
         tdSql.execute(sql)
 
         for i in range(4):
@@ -99,8 +99,8 @@ class TDTestCase:
 
         sql = "create table tb1(ts timestamp, "
         for i in range(4094):
-            sql += "col%d binary(14), " % (i + 1)
-        sql += "col4095 binary(22))"        
+            sql += "c%d binary(14), " % (i + 1)
+        sql += "c4095 binary(22))"
         tdSql.execute(sql)
 
         for i in range(4):

tests/pytest/tools/taosdemoAllTest/taosdemoTestInsertWithJson.py

@@ -262,7 +262,7 @@ class TDTestCase:
         # insert:  sample json
         os.system("%staosdemo -f tools/taosdemoAllTest/insert-sample.json -y " % binPath)
         tdSql.execute("use dbtest123")
-        tdSql.query("select col2 from stb0")
+        tdSql.query("select c2 from stb0")
         tdSql.checkData(0, 0, 2147483647)
         tdSql.query("select * from stb1 where t1=-127")
         tdSql.checkRows(20)

tests/pytest/tools/taosdemoTest.py

@@ -59,11 +59,11 @@ class TDTestCase:
         tdSql.checkData(0, 0, self.numberOfTables * self.numberOfRecords)
 
         tdSql.query(
-            "select sum(col1) from test.meters interval(1h) sliding(30m)")
+            "select sum(c1) from test.meters interval(1h) sliding(30m)")
         tdSql.checkRows(2)
 
         tdSql.query(
-            "select apercentile(col1, 1) from test.meters interval(100s)")
+            "select apercentile(c1, 1) from test.meters interval(100s)")
         tdSql.checkRows(1)
 
         tdSql.error("select loc, count(loc) from test.meters")

tests/pytest/wal/sdbComp.py

@@ -72,14 +72,14 @@ class TDTestCase:
         tdSql.execute("drop table if exists stb1_0")
         tdSql.execute("drop table if exists stb1_1")
         tdSql.execute("insert into stb0_0 values(1614218412000,8637,78.861045,'R','bf3')(1614218422000,8637,98.861045,'R','bf3')")
-        tdSql.execute("alter table db2.stb0 add column col4 int")
-        tdSql.execute("alter table db2.stb0 drop column col2")
+        tdSql.execute("alter table db2.stb0 add column c4 int")
+        tdSql.execute("alter table db2.stb0 drop column c2")
         tdSql.execute("alter table db2.stb0  add tag t3 int;")
         tdSql.execute("alter table db2.stb0 drop tag t1")
-        tdSql.execute("create table  if not exists stb2_0 (ts timestamp, col0 int, col1 float)  ")
+        tdSql.execute("create table  if not exists stb2_0 (ts timestamp, c0 int, c1 float)  ")
         tdSql.execute("insert into stb2_0 values(1614218412000,8637,78.861045)")
-        tdSql.execute("alter table stb2_0 add column col2 binary(4)")
-        tdSql.execute("alter table stb2_0 drop column col1")
+        tdSql.execute("alter table stb2_0 add column c2 binary(4)")
+        tdSql.execute("alter table stb2_0 drop column c1")
         tdSql.execute("insert into stb2_0 values(1614218422000,8638,'R')")
 
         # stop taosd and compact wal file
@@ -112,7 +112,7 @@ class TDTestCase:
         # delete useless file
         testcaseFilename = os.path.split(__file__)[-1]
         os.system("rm -rf ./insert_res.txt")
-        os.system("rm -rf wal/%s.sql" % testcaseFilename )       
+        os.system("rm -rf wal/%s.sql" % testcaseFilename)