Merge pull request #16746 from taosdata/refact/tsdb_new_snapshot

refact: tsdb new snapshot

source/dnode/vnode/src/inc/tsdb.h

@@ -84,6 +84,8 @@ typedef struct SLDataIter    SLDataIter;
 #define TSDBKEY_MIN ((TSDBKEY){.ts = TSKEY_MIN, .version = VERSION_MIN})
 #define TSDBKEY_MAX ((TSDBKEY){.ts = TSKEY_MAX, .version = VERSION_MAX})
 
+#define TABLE_SAME_SCHEMA(SUID1, UID1, SUID2, UID2) ((SUID1) ? (SUID1) == (SUID2) : (UID1) == (UID2))
+
 #define PAGE_CONTENT_SIZE(PAGE) ((PAGE) - sizeof(TSCKSUM))
 #define LOGIC_TO_FILE_OFFSET(LOFFSET, PAGE) \
   ((LOFFSET) / PAGE_CONTENT_SIZE(PAGE) * (PAGE) + (LOFFSET) % PAGE_CONTENT_SIZE(PAGE))
@@ -262,7 +264,7 @@ int32_t tsdbDataFWriterOpen(SDataFWriter **ppWriter, STsdb *pTsdb, SDFileSet *pS
 int32_t tsdbDataFWriterClose(SDataFWriter **ppWriter, int8_t sync);
 int32_t tsdbUpdateDFileSetHeader(SDataFWriter *pWriter);
 int32_t tsdbWriteBlockIdx(SDataFWriter *pWriter, SArray *aBlockIdx);
-int32_t tsdbWriteBlock(SDataFWriter *pWriter, SMapData *pMapData, SBlockIdx *pBlockIdx);
+int32_t tsdbWriteDataBlk(SDataFWriter *pWriter, SMapData *mDataBlk, SBlockIdx *pBlockIdx);
 int32_t tsdbWriteSttBlk(SDataFWriter *pWriter, SArray *aSttBlk);
 int32_t tsdbWriteBlockData(SDataFWriter *pWriter, SBlockData *pBlockData, SBlockInfo *pBlkInfo, SSmaInfo *pSmaInfo,
                            int8_t cmprAlg, int8_t toLast);
@@ -272,7 +274,7 @@ int32_t tsdbDFileSetCopy(STsdb *pTsdb, SDFileSet *pSetFrom, SDFileSet *pSetTo);
 int32_t tsdbDataFReaderOpen(SDataFReader **ppReader, STsdb *pTsdb, SDFileSet *pSet);
 int32_t tsdbDataFReaderClose(SDataFReader **ppReader);
 int32_t tsdbReadBlockIdx(SDataFReader *pReader, SArray *aBlockIdx);
-int32_t tsdbReadBlock(SDataFReader *pReader, SBlockIdx *pBlockIdx, SMapData *pMapData);
+int32_t tsdbReadDataBlk(SDataFReader *pReader, SBlockIdx *pBlockIdx, SMapData *mDataBlk);
 int32_t tsdbReadSttBlk(SDataFReader *pReader, int32_t iStt, SArray *aSttBlk);
 int32_t tsdbReadBlockSma(SDataFReader *pReader, SDataBlk *pBlock, SArray *aColumnDataAgg);
 int32_t tsdbReadDataBlock(SDataFReader *pReader, SDataBlk *pBlock, SBlockData *pBlockData);
@@ -658,21 +660,27 @@ typedef struct SMergeTree {
   SArray            *pIterList;
   SLDataIter        *pIter;
   bool               destroyLoadInfo;
-  SSttBlockLoadInfo* pLoadInfo;
+  SSttBlockLoadInfo *pLoadInfo;
   const char        *idStr;
 } SMergeTree;
 
+typedef struct {
+  int64_t   suid;
+  int64_t   uid;
+  STSchema *pTSchema;
+} SSkmInfo;
+
 int32_t tMergeTreeOpen(SMergeTree *pMTree, int8_t backward, SDataFReader *pFReader, uint64_t suid, uint64_t uid,
-                       STimeWindow *pTimeWindow, SVersionRange *pVerRange, void* pLoadInfo, const char* idStr);
+                       STimeWindow *pTimeWindow, SVersionRange *pVerRange, void *pLoadInfo, const char *idStr);
 void    tMergeTreeAddIter(SMergeTree *pMTree, SLDataIter *pIter);
 bool    tMergeTreeNext(SMergeTree *pMTree);
 TSDBROW tMergeTreeGetRow(SMergeTree *pMTree);
 void    tMergeTreeClose(SMergeTree *pMTree);
 
-SSttBlockLoadInfo* tCreateLastBlockLoadInfo();
-void  resetLastBlockLoadInfo(SSttBlockLoadInfo* pLoadInfo);
-void  getLastBlockLoadInfo(SSttBlockLoadInfo* pLoadInfo, int64_t* blocks, double* el);
-void* destroyLastBlockLoadInfo(SSttBlockLoadInfo* pLoadInfo);
+SSttBlockLoadInfo *tCreateLastBlockLoadInfo();
+void               resetLastBlockLoadInfo(SSttBlockLoadInfo *pLoadInfo);
+void               getLastBlockLoadInfo(SSttBlockLoadInfo *pLoadInfo, int64_t *blocks, double *el);
+void              *destroyLastBlockLoadInfo(SSttBlockLoadInfo *pLoadInfo);
 
 // ========== inline functions ==========
 static FORCE_INLINE int32_t tsdbKeyCmprFn(const void *p1, const void *p2) {

source/dnode/vnode/src/inc/vnodeInt.h

@@ -104,7 +104,7 @@ int             metaCreateSTable(SMeta* pMeta, int64_t version, SVCreateStbReq*
 int             metaAlterSTable(SMeta* pMeta, int64_t version, SVCreateStbReq* pReq);
 int             metaDropSTable(SMeta* pMeta, int64_t verison, SVDropStbReq* pReq, SArray* tbUidList);
 int             metaCreateTable(SMeta* pMeta, int64_t version, SVCreateTbReq* pReq, STableMetaRsp** pMetaRsp);
-int             metaDropTable(SMeta* pMeta, int64_t version, SVDropTbReq* pReq, SArray* tbUids, int64_t *tbUid);
+int             metaDropTable(SMeta* pMeta, int64_t version, SVDropTbReq* pReq, SArray* tbUids, int64_t* tbUid);
 int             metaTtlDropTable(SMeta* pMeta, int64_t ttl, SArray* tbUids);
 int             metaAlterTable(SMeta* pMeta, int64_t version, SVAlterTbReq* pReq, STableMetaRsp* pMetaRsp);
 SSchemaWrapper* metaGetTableSchema(SMeta* pMeta, tb_uid_t uid, int32_t sver, bool isinline);

source/dnode/vnode/src/tsdb/tsdbCache.c

@@ -589,7 +589,7 @@ static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow) {
       }
 
       tMapDataReset(&state->blockMap);
-      code = tsdbReadBlock(state->pDataFReader, state->pBlockIdx, &state->blockMap);
+      code = tsdbReadDataBlk(state->pDataFReader, state->pBlockIdx, &state->blockMap);
       if (code) goto _err;
 
       state->nBlock = state->blockMap.nItem;

source/dnode/vnode/src/tsdb/tsdbCommit.c

@@ -14,13 +14,8 @@
  */
 
 #include "tsdb.h"
-typedef struct {
-  int64_t   suid;
-  int64_t   uid;
-  STSchema *pTSchema;
-} SSkmInfo;
 
-typedef enum { MEMORY_DATA_ITER = 0, LAST_DATA_ITER } EDataIterT;
+typedef enum { MEMORY_DATA_ITER = 0, STT_DATA_ITER } EDataIterT;
 
 typedef struct {
   SRBTreeNode n;
@@ -99,7 +94,7 @@ static int32_t tsdbCommitCache(SCommitter *pCommitter);
 static int32_t tsdbEndCommit(SCommitter *pCommitter, int32_t eno);
 static int32_t tsdbNextCommitRow(SCommitter *pCommitter);
 
-static int32_t tRowInfoCmprFn(const void *p1, const void *p2) {
+int32_t tRowInfoCmprFn(const void *p1, const void *p2) {
   SRowInfo *pInfo1 = (SRowInfo *)p1;
   SRowInfo *pInfo2 = (SRowInfo *)p2;
 
@@ -325,22 +320,22 @@ _err:
   return code;
 }
 
-static int32_t tsdbCommitterUpdateTableSchema(SCommitter *pCommitter, int64_t suid, int64_t uid) {
+int32_t tsdbUpdateTableSchema(SMeta *pMeta, int64_t suid, int64_t uid, SSkmInfo *pSkmInfo) {
   int32_t code = 0;
 
   if (suid) {
-    if (pCommitter->skmTable.suid == suid) {
-      pCommitter->skmTable.uid = uid;
+    if (pSkmInfo->suid == suid) {
+      pSkmInfo->uid = uid;
       goto _exit;
     }
   } else {
-    if (pCommitter->skmTable.uid == uid) goto _exit;
+    if (pSkmInfo->uid == uid) goto _exit;
   }
 
-  pCommitter->skmTable.suid = suid;
-  pCommitter->skmTable.uid = uid;
-  tTSchemaDestroy(pCommitter->skmTable.pTSchema);
-  code = metaGetTbTSchemaEx(pCommitter->pTsdb->pVnode->pMeta, suid, uid, -1, &pCommitter->skmTable.pTSchema);
+  pSkmInfo->suid = suid;
+  pSkmInfo->uid = uid;
+  tTSchemaDestroy(pSkmInfo->pTSchema);
+  code = metaGetTbTSchemaEx(pMeta, suid, uid, -1, &pSkmInfo->pTSchema);
   if (code) goto _exit;
 
 _exit:
@@ -382,7 +377,7 @@ static int32_t tsdbCommitterNextTableData(SCommitter *pCommitter) {
     pCommitter->dReader.pBlockIdx =
         (SBlockIdx *)taosArrayGet(pCommitter->dReader.aBlockIdx, pCommitter->dReader.iBlockIdx);
 
-    code = tsdbReadBlock(pCommitter->dReader.pReader, pCommitter->dReader.pBlockIdx, &pCommitter->dReader.mBlock);
+    code = tsdbReadDataBlk(pCommitter->dReader.pReader, pCommitter->dReader.pBlockIdx, &pCommitter->dReader.mBlock);
     if (code) goto _exit;
 
     ASSERT(pCommitter->dReader.mBlock.nItem > 0);
@@ -432,7 +427,7 @@ static int32_t tsdbOpenCommitIter(SCommitter *pCommitter) {
       int8_t iIter = 0;
       for (int32_t iStt = 0; iStt < pReader->pSet->nSttF; iStt++) {
         pIter = &pCommitter->aDataIter[iIter];
-        pIter->type = LAST_DATA_ITER;
+        pIter->type = STT_DATA_ITER;
         pIter->iStt = iStt;
 
         code = tsdbReadSttBlk(pCommitter->dReader.pReader, iStt, pIter->aSttBlk);
@@ -498,7 +493,7 @@ static int32_t tsdbCommitFileDataStart(SCommitter *pCommitter) {
     pCommitter->dReader.iBlockIdx = 0;
     if (taosArrayGetSize(pCommitter->dReader.aBlockIdx) > 0) {
       pCommitter->dReader.pBlockIdx = (SBlockIdx *)taosArrayGet(pCommitter->dReader.aBlockIdx, 0);
-      code = tsdbReadBlock(pCommitter->dReader.pReader, pCommitter->dReader.pBlockIdx, &pCommitter->dReader.mBlock);
+      code = tsdbReadDataBlk(pCommitter->dReader.pReader, pCommitter->dReader.pBlockIdx, &pCommitter->dReader.mBlock);
       if (code) goto _err;
     } else {
       pCommitter->dReader.pBlockIdx = NULL;
@@ -556,46 +551,45 @@ _err:
   return code;
 }
 
-static int32_t tsdbCommitDataBlock(SCommitter *pCommitter) {
+int32_t tsdbWriteDataBlock(SDataFWriter *pWriter, SBlockData *pBlockData, SMapData *mDataBlk, int8_t cmprAlg) {
   int32_t code = 0;
-  SBlockData *pBlockData = &pCommitter->dWriter.bData;
-  SDataBlk    block;
 
-  ASSERT(pBlockData->nRow > 0);
+  if (pBlockData->nRow == 0) return code;
 
-  tDataBlkReset(&block);
+  SDataBlk dataBlk;
+  tDataBlkReset(&dataBlk);
 
   // info
-  block.nRow += pBlockData->nRow;
+  dataBlk.nRow += pBlockData->nRow;
   for (int32_t iRow = 0; iRow < pBlockData->nRow; iRow++) {
     TSDBKEY key = {.ts = pBlockData->aTSKEY[iRow], .version = pBlockData->aVersion[iRow]};
 
     if (iRow == 0) {
-      if (tsdbKeyCmprFn(&block.minKey, &key) > 0) {
-        block.minKey = key;
+      if (tsdbKeyCmprFn(&dataBlk.minKey, &key) > 0) {
+        dataBlk.minKey = key;
       }
     } else {
       if (pBlockData->aTSKEY[iRow] == pBlockData->aTSKEY[iRow - 1]) {
-        block.hasDup = 1;
+        dataBlk.hasDup = 1;
       }
     }
 
-    if (iRow == pBlockData->nRow - 1 && tsdbKeyCmprFn(&block.maxKey, &key) < 0) {
-      block.maxKey = key;
+    if (iRow == pBlockData->nRow - 1 && tsdbKeyCmprFn(&dataBlk.maxKey, &key) < 0) {
+      dataBlk.maxKey = key;
     }
 
-    block.minVer = TMIN(block.minVer, key.version);
-    block.maxVer = TMAX(block.maxVer, key.version);
+    dataBlk.minVer = TMIN(dataBlk.minVer, key.version);
+    dataBlk.maxVer = TMAX(dataBlk.maxVer, key.version);
   }
 
   // write
-  block.nSubBlock++;
-  code = tsdbWriteBlockData(pCommitter->dWriter.pWriter, pBlockData, &block.aSubBlock[block.nSubBlock - 1],
-                            ((block.nSubBlock == 1) && !block.hasDup) ? &block.smaInfo : NULL, pCommitter->cmprAlg, 0);
+  dataBlk.nSubBlock++;
+  code = tsdbWriteBlockData(pWriter, pBlockData, &dataBlk.aSubBlock[dataBlk.nSubBlock - 1],
+                            ((dataBlk.nSubBlock == 1) && !dataBlk.hasDup) ? &dataBlk.smaInfo : NULL, cmprAlg, 0);
   if (code) goto _err;
 
   // put SDataBlk
-  code = tMapDataPutItem(&pCommitter->dWriter.mBlock, &block, tPutDataBlk);
+  code = tMapDataPutItem(mDataBlk, &dataBlk, tPutDataBlk);
   if (code) goto _err;
 
   // clear
@@ -604,39 +598,38 @@ static int32_t tsdbCommitDataBlock(SCommitter *pCommitter) {
   return code;
 
 _err:
-  tsdbError("vgId:%d tsdb commit data block failed since %s", TD_VID(pCommitter->pTsdb->pVnode), tstrerror(code));
+  tsdbError("vgId:%d tsdb commit data block failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
   return code;
 }
 
-static int32_t tsdbCommitLastBlock(SCommitter *pCommitter) {
+int32_t tsdbWriteSttBlock(SDataFWriter *pWriter, SBlockData *pBlockData, SArray *aSttBlk, int8_t cmprAlg) {
   int32_t code = 0;
-  SSttBlk     blockL;
-  SBlockData *pBlockData = &pCommitter->dWriter.bDatal;
+  SSttBlk sstBlk;
 
-  ASSERT(pBlockData->nRow > 0);
+  if (pBlockData->nRow == 0) return code;
 
   // info
-  blockL.suid = pBlockData->suid;
-  blockL.nRow = pBlockData->nRow;
-  blockL.minKey = TSKEY_MAX;
-  blockL.maxKey = TSKEY_MIN;
-  blockL.minVer = VERSION_MAX;
-  blockL.maxVer = VERSION_MIN;
+  sstBlk.suid = pBlockData->suid;
+  sstBlk.nRow = pBlockData->nRow;
+  sstBlk.minKey = TSKEY_MAX;
+  sstBlk.maxKey = TSKEY_MIN;
+  sstBlk.minVer = VERSION_MAX;
+  sstBlk.maxVer = VERSION_MIN;
   for (int32_t iRow = 0; iRow < pBlockData->nRow; iRow++) {
-    blockL.minKey = TMIN(blockL.minKey, pBlockData->aTSKEY[iRow]);
-    blockL.maxKey = TMAX(blockL.maxKey, pBlockData->aTSKEY[iRow]);
-    blockL.minVer = TMIN(blockL.minVer, pBlockData->aVersion[iRow]);
-    blockL.maxVer = TMAX(blockL.maxVer, pBlockData->aVersion[iRow]);
+    sstBlk.minKey = TMIN(sstBlk.minKey, pBlockData->aTSKEY[iRow]);
+    sstBlk.maxKey = TMAX(sstBlk.maxKey, pBlockData->aTSKEY[iRow]);
+    sstBlk.minVer = TMIN(sstBlk.minVer, pBlockData->aVersion[iRow]);
+    sstBlk.maxVer = TMAX(sstBlk.maxVer, pBlockData->aVersion[iRow]);
   }
-  blockL.minUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[0];
-  blockL.maxUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[pBlockData->nRow - 1];
+  sstBlk.minUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[0];
+  sstBlk.maxUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[pBlockData->nRow - 1];
 
   // write
-  code = tsdbWriteBlockData(pCommitter->dWriter.pWriter, pBlockData, &blockL.bInfo, NULL, pCommitter->cmprAlg, 1);
+  code = tsdbWriteBlockData(pWriter, pBlockData, &sstBlk.bInfo, NULL, cmprAlg, 1);
   if (code) goto _err;
 
   // push SSttBlk
-  if (taosArrayPush(pCommitter->dWriter.aSttBlk, &blockL) == NULL) {
+  if (taosArrayPush(aSttBlk, &sstBlk) == NULL) {
     code = TSDB_CODE_OUT_OF_MEMORY;
     goto _err;
   }
@@ -647,7 +640,7 @@ static int32_t tsdbCommitLastBlock(SCommitter *pCommitter) {
   return code;
 
 _err:
-  tsdbError("vgId:%d tsdb commit last block failed since %s", TD_VID(pCommitter->pTsdb->pVnode), tstrerror(code));
+  tsdbError("vgId:%d tsdb commit last block failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
   return code;
 }
 
@@ -692,7 +685,7 @@ static int32_t tsdbMoveCommitData(SCommitter *pCommitter, TABLEID toTable) {
 
   while (pCommitter->dReader.pBlockIdx && tTABLEIDCmprFn(pCommitter->dReader.pBlockIdx, &toTable) < 0) {
     SBlockIdx blockIdx = *pCommitter->dReader.pBlockIdx;
-    code = tsdbWriteBlock(pCommitter->dWriter.pWriter, &pCommitter->dReader.mBlock, &blockIdx);
+    code = tsdbWriteDataBlk(pCommitter->dWriter.pWriter, &pCommitter->dReader.mBlock, &blockIdx);
     if (code) goto _err;
 
     if (taosArrayPush(pCommitter->dWriter.aBlockIdx, &blockIdx) == NULL) {
@@ -1046,7 +1039,7 @@ static int32_t tsdbNextCommitRow(SCommitter *pCommitter) {
           break;
         }
       }
-    } else if (pCommitter->pIter->type == LAST_DATA_ITER) {  // last file
+    } else if (pCommitter->pIter->type == STT_DATA_ITER) {  // last file
       pIter->iRow++;
       if (pIter->iRow < pIter->bData.nRow) {
         pIter->r.uid = pIter->bData.uid ? pIter->bData.uid : pIter->bData.aUid[pIter->iRow];
@@ -1124,15 +1117,14 @@ static int32_t tsdbCommitAheadBlock(SCommitter *pCommitter, SDataBlk *pDataBlk)
     }
 
     if (pBlockData->nRow >= pCommitter->maxRow) {
-      code = tsdbCommitDataBlock(pCommitter);
+      code =
+          tsdbWriteDataBlock(pCommitter->dWriter.pWriter, pBlockData, &pCommitter->dWriter.mBlock, pCommitter->cmprAlg);
       if (code) goto _err;
     }
   }
 
-  if (pBlockData->nRow) {
-    code = tsdbCommitDataBlock(pCommitter);
+  code = tsdbWriteDataBlock(pCommitter->dWriter.pWriter, pBlockData, &pCommitter->dWriter.mBlock, pCommitter->cmprAlg);
   if (code) goto _err;
-  }
 
   return code;
 
@@ -1193,7 +1185,7 @@ static int32_t tsdbCommitMergeBlock(SCommitter *pCommitter, SDataBlk *pDataBlk)
     }
 
     if (pBDataW->nRow >= pCommitter->maxRow) {
-      code = tsdbCommitDataBlock(pCommitter);
+      code = tsdbWriteDataBlock(pCommitter->dWriter.pWriter, pBDataW, &pCommitter->dWriter.mBlock, pCommitter->cmprAlg);
       if (code) goto _err;
     }
   }
@@ -1210,15 +1202,13 @@ static int32_t tsdbCommitMergeBlock(SCommitter *pCommitter, SDataBlk *pDataBlk)
     }
 
     if (pBDataW->nRow >= pCommitter->maxRow) {
-      code = tsdbCommitDataBlock(pCommitter);
+      code = tsdbWriteDataBlock(pCommitter->dWriter.pWriter, pBDataW, &pCommitter->dWriter.mBlock, pCommitter->cmprAlg);
       if (code) goto _err;
     }
   }
 
-  if (pBDataW->nRow) {
-    code = tsdbCommitDataBlock(pCommitter);
+  code = tsdbWriteDataBlock(pCommitter->dWriter.pWriter, pBDataW, &pCommitter->dWriter.mBlock, pCommitter->cmprAlg);
   if (code) goto _err;
-  }
 
   return code;
 
@@ -1306,10 +1296,8 @@ static int32_t tsdbInitLastBlockIfNeed(SCommitter *pCommitter, TABLEID id) {
   SBlockData *pBDatal = &pCommitter->dWriter.bDatal;
   if (pBDatal->suid || pBDatal->uid) {
     if ((pBDatal->suid != id.suid) || (id.suid == 0)) {
-      if (pBDatal->nRow) {
-        code = tsdbCommitLastBlock(pCommitter);
+      code = tsdbWriteSttBlock(pCommitter->dWriter.pWriter, pBDatal, pCommitter->dWriter.aSttBlk, pCommitter->cmprAlg);
       if (code) goto _exit;
-      }
       tBlockDataReset(pBDatal);
     }
   }
@@ -1341,7 +1329,7 @@ static int32_t tsdbAppendLastBlock(SCommitter *pCommitter) {
     if (code) goto _err;
 
     if (pBDatal->nRow >= pCommitter->maxRow) {
-      code = tsdbCommitLastBlock(pCommitter);
+      code = tsdbWriteSttBlock(pCommitter->dWriter.pWriter, pBDatal, pCommitter->dWriter.aSttBlk, pCommitter->cmprAlg);
       if (code) goto _err;
     }
   }
@@ -1393,10 +1381,11 @@ static int32_t tsdbCommitTableData(SCommitter *pCommitter, TABLEID id) {
 
     if (pBData->nRow >= pCommitter->maxRow) {
       if (pCommitter->toLastOnly) {
-        code = tsdbCommitLastBlock(pCommitter);
+        code = tsdbWriteSttBlock(pCommitter->dWriter.pWriter, pBData, pCommitter->dWriter.aSttBlk, pCommitter->cmprAlg);
         if (code) goto _err;
       } else {
-        code = tsdbCommitDataBlock(pCommitter);
+        code =
+            tsdbWriteDataBlock(pCommitter->dWriter.pWriter, pBData, &pCommitter->dWriter.mBlock, pCommitter->cmprAlg);
         if (code) goto _err;
       }
     }
@@ -1404,7 +1393,7 @@ static int32_t tsdbCommitTableData(SCommitter *pCommitter, TABLEID id) {
 
   if (!pCommitter->toLastOnly && pBData->nRow) {
     if (pBData->nRow > pCommitter->minRow) {
-      code = tsdbCommitDataBlock(pCommitter);
+      code = tsdbWriteDataBlock(pCommitter->dWriter.pWriter, pBData, &pCommitter->dWriter.mBlock, pCommitter->cmprAlg);
       if (code) goto _err;
     } else {
       code = tsdbAppendLastBlock(pCommitter);
@@ -1437,7 +1426,7 @@ static int32_t tsdbCommitFileDataImpl(SCommitter *pCommitter) {
     tMapDataReset(&pCommitter->dWriter.mBlock);
 
     // impl
-    code = tsdbCommitterUpdateTableSchema(pCommitter, id.suid, id.uid);
+    code = tsdbUpdateTableSchema(pCommitter->pTsdb->pVnode->pMeta, id.suid, id.uid, &pCommitter->skmTable);
     if (code) goto _err;
     code = tBlockDataInit(&pCommitter->dReader.bData, id.suid, id.uid, pCommitter->skmTable.pTSchema);
     if (code) goto _err;
@@ -1455,7 +1444,7 @@ static int32_t tsdbCommitFileDataImpl(SCommitter *pCommitter) {
     // end
     if (pCommitter->dWriter.mBlock.nItem > 0) {
       SBlockIdx blockIdx = {.suid = id.suid, .uid = id.uid};
-      code = tsdbWriteBlock(pCommitter->dWriter.pWriter, &pCommitter->dWriter.mBlock, &blockIdx);
+      code = tsdbWriteDataBlk(pCommitter->dWriter.pWriter, &pCommitter->dWriter.mBlock, &blockIdx);
       if (code) goto _err;
 
       if (taosArrayPush(pCommitter->dWriter.aBlockIdx, &blockIdx) == NULL) {
@@ -1470,10 +1459,9 @@ static int32_t tsdbCommitFileDataImpl(SCommitter *pCommitter) {
   code = tsdbMoveCommitData(pCommitter, id);
   if (code) goto _err;
 
-  if (pCommitter->dWriter.bDatal.nRow > 0) {
-    code = tsdbCommitLastBlock(pCommitter);
+  code = tsdbWriteSttBlock(pCommitter->dWriter.pWriter, &pCommitter->dWriter.bDatal, pCommitter->dWriter.aSttBlk,
+                           pCommitter->cmprAlg);
   if (code) goto _err;
-  }
 
   return code;
 

source/dnode/vnode/src/tsdb/tsdbRead.c

@@ -231,10 +231,10 @@ static SHashObj* createDataBlockScanInfo(STsdbReader* pTsdbReader, const STableK
     STableBlockScanInfo info = {.lastKey = 0, .uid = idList[j].uid};
     if (ASCENDING_TRAVERSE(pTsdbReader->order)) {
       int64_t skey = pTsdbReader->window.skey;
-      info.lastKey = (skey > INT64_MIN)? (skey - 1):skey;
+      info.lastKey = (skey > INT64_MIN) ? (skey - 1) : skey;
     } else {
       int64_t ekey = pTsdbReader->window.ekey;
-      info.lastKey = (ekey < INT64_MAX)? (ekey + 1):ekey;
+      info.lastKey = (ekey < INT64_MAX) ? (ekey + 1) : ekey;
     }
 
     taosHashPut(pTableMap, &info.uid, sizeof(uint64_t), &info, sizeof(info));
@@ -601,7 +601,7 @@ static int32_t doLoadFileBlock(STsdbReader* pReader, SArray* pIndexList, SBlockN
     STableBlockScanInfo* pScanInfo = taosHashGet(pReader->status.pTableMap, &pBlockIdx->uid, sizeof(int64_t));
 
     tMapDataReset(&pScanInfo->mapData);
-    tsdbReadBlock(pReader->pFileReader, pBlockIdx, &pScanInfo->mapData);
+    tsdbReadDataBlk(pReader->pFileReader, pBlockIdx, &pScanInfo->mapData);
 
     sizeInDisk += pScanInfo->mapData.nData;
     for (int32_t j = 0; j < pScanInfo->mapData.nItem; ++j) {
@@ -1933,7 +1933,7 @@ static bool initLastBlockReader(SLastBlockReader* pLBlockReader, STableBlockScan
   initMemDataIterator(pScanInfo, pReader);
   pLBlockReader->uid = pScanInfo->uid;
 
-  int32_t step = ASCENDING_TRAVERSE(pLBlockReader->order)? 1:-1;
+  int32_t     step = ASCENDING_TRAVERSE(pLBlockReader->order) ? 1 : -1;
   STimeWindow w = pLBlockReader->window;
   if (ASCENDING_TRAVERSE(pLBlockReader->order)) {
     w.skey = pScanInfo->lastKey + step;
@@ -3621,7 +3621,7 @@ int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond) {
   initFilesetIterator(&pReader->status.fileIter, pReader->pReadSnap->fs.aDFileSet, pReader);
   resetDataBlockIterator(&pReader->status.blockIter, pReader->order);
 
-  int64_t ts = ASCENDING_TRAVERSE(pReader->order)?pReader->window.skey-1:pReader->window.ekey+1;
+  int64_t ts = ASCENDING_TRAVERSE(pReader->order) ? pReader->window.skey - 1 : pReader->window.ekey + 1;
   resetDataBlockScanInfo(pReader->status.pTableMap, ts);
 
   int32_t         code = 0;

source/dnode/vnode/src/tsdb/tsdbReaderWriter.c

@@ -418,21 +418,21 @@ _err:
   return code;
 }
 
-int32_t tsdbWriteBlock(SDataFWriter *pWriter, SMapData *mBlock, SBlockIdx *pBlockIdx) {
+int32_t tsdbWriteDataBlk(SDataFWriter *pWriter, SMapData *mDataBlk, SBlockIdx *pBlockIdx) {
   int32_t    code = 0;
   SHeadFile *pHeadFile = &pWriter->fHead;
   int64_t    size;
   int64_t    n;
 
-  ASSERT(mBlock->nItem > 0);
+  ASSERT(mDataBlk->nItem > 0);
 
   // alloc
-  size = tPutMapData(NULL, mBlock);
+  size = tPutMapData(NULL, mDataBlk);
   code = tRealloc(&pWriter->aBuf[0], size);
   if (code) goto _err;
 
   // build
-  n = tPutMapData(pWriter->aBuf[0], mBlock);
+  n = tPutMapData(pWriter->aBuf[0], mDataBlk);
 
   // write
   code = tsdbWriteFile(pWriter->pHeadFD, pHeadFile->size, pWriter->aBuf[0], size);
@@ -446,7 +446,7 @@ int32_t tsdbWriteBlock(SDataFWriter *pWriter, SMapData *mBlock, SBlockIdx *pBloc
   tsdbTrace("vgId:%d, write block, file ID:%d commit ID:%d suid:%" PRId64 " uid:%" PRId64 " offset:%" PRId64
             " size:%" PRId64 " nItem:%d",
             TD_VID(pWriter->pTsdb->pVnode), pWriter->wSet.fid, pHeadFile->commitID, pBlockIdx->suid, pBlockIdx->uid,
-            pBlockIdx->offset, pBlockIdx->size, mBlock->nItem);
+            pBlockIdx->offset, pBlockIdx->size, mDataBlk->nItem);
   return code;
 
 _err:
@@ -872,7 +872,7 @@ _err:
   return code;
 }
 
-int32_t tsdbReadBlock(SDataFReader *pReader, SBlockIdx *pBlockIdx, SMapData *mBlock) {
+int32_t tsdbReadDataBlk(SDataFReader *pReader, SBlockIdx *pBlockIdx, SMapData *mDataBlk) {
   int32_t code = 0;
   int64_t offset = pBlockIdx->offset;
   int64_t size = pBlockIdx->size;
@@ -886,7 +886,7 @@ int32_t tsdbReadBlock(SDataFReader *pReader, SBlockIdx *pBlockIdx, SMapData *mBl
   if (code) goto _err;
 
   // decode
-  int64_t n = tGetMapData(pReader->aBuf[0], mBlock);
+  int64_t n = tGetMapData(pReader->aBuf[0], mDataBlk);
   if (n < 0) {
     code = TSDB_CODE_OUT_OF_MEMORY;
     goto _err;
@@ -1053,6 +1053,29 @@ _err:
   return code;
 }
 
+int32_t tsdbReadDataBlockEx(SDataFReader *pReader, SDataBlk *pDataBlk, SBlockData *pBlockData) {
+  int32_t     code = 0;
+  SBlockInfo *pBlockInfo = &pDataBlk->aSubBlock[0];
+
+  // alloc
+  code = tRealloc(&pReader->aBuf[0], pBlockInfo->szBlock);
+  if (code) goto _err;
+
+  // read
+  code = tsdbReadFile(pReader->pDataFD, pBlockInfo->offset, pReader->aBuf[0], pBlockInfo->szBlock);
+  if (code) goto _err;
+
+  // decmpr
+  code = tDecmprBlockData(pReader->aBuf[0], pBlockInfo->szBlock, pBlockData, &pReader->aBuf[1]);
+  if (code) goto _err;
+
+  return code;
+
+_err:
+  tsdbError("vgId:%d tsdb read data block ex failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
+  return code;
+}
+
 int32_t tsdbReadDataBlock(SDataFReader *pReader, SDataBlk *pDataBlk, SBlockData *pBlockData) {
   int32_t code = 0;
 
@@ -1147,8 +1170,8 @@ int32_t tsdbDelFWriterOpen(SDelFWriter **ppWriter, SDelFile *pFile, STsdb *pTsdb
   pDelFWriter->fDel = *pFile;
 
   tsdbDelFileName(pTsdb, pFile, fname);
-  code =
-      tsdbOpenFile(fname, TSDB_DEFAULT_PAGE_SIZE, TD_FILE_READ | TD_FILE_WRITE | TD_FILE_CREATE, &pDelFWriter->pWriteH);
+  int32_t flag = TD_FILE_READ | TD_FILE_WRITE | TD_FILE_CREATE;
+  code = tsdbOpenFile(fname, TSDB_DEFAULT_PAGE_SIZE, flag, &pDelFWriter->pWriteH);
   if (code) goto _err;
 
   // update header

source/dnode/vnode/src/vnd/vnodeSnapshot.c

@@ -354,7 +354,8 @@ int32_t vnodeSnapWrite(SVSnapWriter *pWriter, uint8_t *pData, uint32_t nData) {
       code = metaSnapWrite(pWriter->pMetaSnapWriter, pData, nData);
       if (code) goto _err;
     } break;
-    case SNAP_DATA_TSDB: {
+    case SNAP_DATA_TSDB:
+    case SNAP_DATA_DEL: {
       // tsdb
       if (pWriter->pTsdbSnapWriter == NULL) {
         code = tsdbSnapWriterOpen(pVnode->pTsdb, pWriter->sver, pWriter->ever, &pWriter->pTsdbSnapWriter);