TD-353

src/inc/taoserror.h

@@ -191,6 +191,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_TDB_TIMESTAMP_OUT_OF_RANGE,   0, 0x060B, "tsdb times
 TAOS_DEFINE_ERROR(TSDB_CODE_TDB_SUBMIT_MSG_MSSED_UP,      0, 0x060C, "tsdb submit message is messed up")
 TAOS_DEFINE_ERROR(TSDB_CODE_TDB_INVALID_ACTION,           0, 0x060D, "tsdb invalid action")
 TAOS_DEFINE_ERROR(TSDB_CODE_TDB_INVALID_CREATE_TB_MSG,    0, 0x060E, "tsdb invalid create table message")
+TAOS_DEFINE_ERROR(TSDB_CODE_TDB_NO_TABLE_DATA_IN_MEM,     0, 0x060F, "tsdb no table data in memory skiplist")
 
 // query
 TAOS_DEFINE_ERROR(TSDB_CODE_QRY_INVALID_QHANDLE,          0, 0x0700, "query invalid handle")

src/tsdb/inc/tsdbMain.h

@@ -295,6 +295,8 @@ int        tsdbUpdateTable(STsdbMeta* pMeta, STable* pTable, STableCfg* pCfg);
 int        tsdbWLockRepoMeta(STsdbRepo* pRepo);
 int        tsdbRLockRepoMeta(STsdbRepo* pRepo);
 int        tsdbUnlockRepoMeta(STsdbRepo* pRepo);
+void       tsdbRefTable(STable* pTable);
+void       tsdbUnRefTable(STable* pTable);
 
 // ------------------ tsdbBuffer.c
 STsdbBufPool* tsdbNewBufPool();
@@ -317,8 +319,8 @@ int tsdbTakeMemSnapshot(STsdbRepo* pRepo, SMemTable** pMem, SMemTable** pIMem);
 #define TSDB_FGROUP_ITER_FORWARD TSDB_ORDER_ASC
 #define TSDB_FGROUP_ITER_BACKWARD TSDB_ORDER_DESC
 
-STsdbFileH*   tsdbNewFileH(STsdbCfg* pCfg);
-void          tsdbFreeFileH(STsdbFileH* pFileH);
+STsdbFileH* tsdbNewFileH(STsdbCfg* pCfg);
+void        tsdbFreeFileH(STsdbFileH* pFileH);
 
 // ------------------ tsdbRWHelper.c
 #define TSDB_MAX_SUBBLOCKS 8

src/tsdb/src/tsdbFile.c

@@ -325,11 +325,6 @@ int tsdbCreateFile(char *dataDir, int fileId, const char *suffix, SFile *pFile)
   return 0;
 }
 
-void tsdbGetKeyRangeOfFileId(int32_t daysPerFile, int8_t precision, int32_t fileId, TSKEY *minKey,
-                                    TSKEY *maxKey) {
-  *minKey = fileId * daysPerFile * tsMsPerDay[precision];
-  *maxKey = *minKey + daysPerFile * tsMsPerDay[precision] - 1;
-}
 
 SFileGroup *tsdbSearchFGroup(STsdbFileH *pFileH, int fid) {
   if (pFileH->numOfFGroups == 0 || fid < pFileH->fGroup[0].fileId || fid > pFileH->fGroup[pFileH->numOfFGroups - 1].fileId)

src/tsdb/src/tsdbMain.c

@@ -844,35 +844,4 @@ TSKEY tsdbGetTableLastKey(TSDB_REPO_T *repo, uint64_t uid) {
   return TSDB_GET_TABLE_LAST_KEY(pTable);
 }
 
-
-/**
- * Return the next iterator key.
- *
- * @return the next key if iter has
- *         -1 if iter not
- */
-static TSKEY tsdbNextIterKey(SSkipListIterator *pIter) {
-  if (pIter == NULL) return -1;
-
-  SSkipListNode *node = tSkipListIterGet(pIter);
-  if (node == NULL) return -1;
-
-  SDataRow row = SL_GET_NODE_DATA(node);
-  return dataRowKey(row);
-}
-
-static int tsdbHasDataToCommit(SSkipListIterator **iters, int nIters, TSKEY minKey, TSKEY maxKey) {
-  TSKEY nextKey;
-  for (int i = 0; i < nIters; i++) {
-    SSkipListIterator *pIter = iters[i];
-    nextKey = tsdbNextIterKey(pIter);
-    if (nextKey > 0 && (nextKey >= minKey && nextKey <= maxKey)) return 1;
-  }
-  return 0;
-}
-
-
-
-
-
 #endif

src/tsdb/src/tsdbMemTable.c

@@ -18,6 +18,11 @@
 
 #define TSDB_DATA_SKIPLIST_LEVEL 5
 
+typedef struct {
+  STable *           pTable;
+  SSkipListIterator *pIter;
+} SCommitIter;
+
 static FORCE_INLINE STsdbBufBlock *tsdbGetCurrBufBlock(STsdbRepo *pRepo);
 
 static void *      tsdbAllocBytes(STsdbRepo *pRepo, int bytes);
@@ -337,9 +342,12 @@ static void tsdbFreeTableData(STableData *pTableData) {
 static char *tsdbGetTsTupleKey(const void *data) { return dataRowTuple(data); }
 
 static void *tsdbCommitData(void *arg) {
-  STsdbRepo *pRepo = (STsdbRepo *)arg;
-  STsdbMeta *pMeta = pRepo->tsdbMeta;
-  SMemTable *pMem = pRepo->imem;
+  STsdbRepo *  pRepo = (STsdbRepo *)arg;
+  STsdbMeta *  pMeta = pRepo->tsdbMeta;
+  SMemTable *  pMem = pRepo->imem;
+  STsdbCfg *   pCfg = &pRepo->config;
+  SDataCols *  pDataCols = NULL;
+  SCommitIter *iters = NULL;
   ASSERT(pRepo->commit == 1);
   ASSERT(pMem != NULL);
 
@@ -347,69 +355,84 @@ static void *tsdbCommitData(void *arg) {
             pMem->keyFirst, pMem->keyLast, pMem->numOfRows);
 
   // Create the iterator to read from cache
-  SSkipListIterator **iters = tsdbCreateTableIters(pRepo);
+  iters = tsdbCreateTableIters(pRepo);
   if (iters == NULL) {
-    tsdbError("vgId:%d failed to create table iterators since %s", REPO_ID(pRepo), tstrerror(terrno));
-    // TODO: deal with the error here
-    return NULL;
+    tsdbError("vgId:%d failed to create commit iterator since %s", REPO_ID(pRepo), tstrerror(terrno));
+    goto _exit;
   }
 
   if (tsdbInitWriteHelper(&whelper, pRepo) < 0) {
     tsdbError("vgId:%d failed to init write helper since %s", REPO_ID(pRepo), tstrerror(terrno));
-    // TODO
     goto _exit;
   }
 
-  if ((pDataCols = tdNewDataCols(pMeta->maxRowBytes, pMeta->maxCols, pCfg->maxRowsPerFileBlock)) == NULL) {
-    tsdbError("vgId:%d failed to init data cols with maxRowBytes %d maxCols %d since %s", REPO_ID(pRepo),
-              pMeta->maxRowBytes, pMeta->maxCols, tstrerror(terrno));
-    // TODO
+  if ((pDataCols = tdNewDataCols(pMem->maxRowBytes, pMem->maxCols, pCfg->maxRowsPerFileBlock)) == NULL) {
+    terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
+    tsdbError("vgId:%d failed to init data cols with maxRowBytes %d maxCols %d maxRowsPerFileBlock %d since %s",
+              REPO_ID(pRepo), pMeta->maxRowBytes, pMeta->maxCols, pCfg->maxRowsPerFileBlock, tstrerror(terrno));
     goto _exit;
   }
 
-  int sfid = tsdbGetKeyFileId(pCache->imem->keyFirst, pCfg->daysPerFile, pCfg->precision);
-  int efid = tsdbGetKeyFileId(pCache->imem->keyLast, pCfg->daysPerFile, pCfg->precision);
+  int sfid = TSDB_KEY_FILEID(pMem->keyFirst, pCfg->daysPerFile, pCfg->precision);
+  int efid = TSDB_KEY_FILEID(pMem->keyLast, pCfg->daysPerFile, pCfg->precision);
 
   // Loop to commit to each file
   for (int fid = sfid; fid <= efid; fid++) {
     if (tsdbCommitToFile(pRepo, fid, iters, &whelper, pDataCols) < 0) {
-      ASSERT(false);
+      tsdbError("vgId:%d failed to commit to file %d since %s", REPO_ID(pRepo), fid, tstrerror(terrno));
       goto _exit;
     }
   }
 
-  // Do retention actions
+  // TODO: Do retention actions
   tsdbFitRetention(pRepo);
-  if (pRepo->appH.notifyStatus) pRepo->appH.notifyStatus(pRepo->appH.appH, TSDB_STATUS_COMMIT_OVER);
+
+  // TODO: Commit action meta data
 
 _exit:
   tdFreeDataCols(pDataCols);
   tsdbDestroyTableIters(iters, pCfg->maxTables);
   tsdbDestroyHelper(&whelper);
-
-  tsdbLockRepo(arg);
-  tdListMove(pCache->imem->list, pCache->pool.memPool);
-  tsdbAdjustCacheBlocks(pCache);
-  tdListFree(pCache->imem->list);
-  free(pCache->imem);
-  pCache->imem = NULL;
-  pRepo->commit = 0;
-  for (int i = 1; i < pCfg->maxTables; i++) {
-    STable *pTable = pMeta->tables[i];
-    if (pTable && pTable->imem) {
-      tsdbFreeMemTable(pTable->imem);
-      pTable->imem = NULL;
-    }
-  }
-  tsdbUnLockRepo(arg);
-  tsdbPrint("vgId:%d, commit over....", pRepo->config.tsdbId);
+  tsdbEndCommit(pRepo);
+  tsdbPrint("vgId:%d commit over", pRepo->config.tsdbId);
 
   return NULL;
 }
 
-static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SSkipListIterator **iters, SRWHelper *pHelper,
-                            SDataCols *pDataCols) {
-  char        dataDir[128] = {0};
+static void tsdbEndCommit(STsdbRepo *pRepo) {
+  ASSERT(pRepo->commit == 1);
+  tsdbLockRepo(pRepo);
+  pRepo->commit = 0;
+  tsdbUnlockRepo(pRepo);
+  if (pRepo->appH.notifyStatus) pRepo->appH.notifyStatus(pRepo->appH.appH, TSDB_STATUS_COMMIT_OVER);
+}
+
+static TSKEY tsdbNextIterKey(SCommitIter *pIter) {
+  if (pIter == NULL) return -1;
+
+  SSkipListNode *node = tSkipListIterGet(pIter->pIter);
+  if (node == NULL) return -1;
+
+  SDataRow row = SL_GET_NODE_DATA(node);
+  return dataRowKey(row);
+}
+
+static int tsdbHasDataToCommit(SCommitIter *iters, int nIters, TSKEY minKey, TSKEY maxKey) {
+  for (int i = 0; i < nIters; i++) {
+    TSKEY nextKey = tsdbNextIterKey(iters + i);
+    if (nextKey > 0 && (nextKey >= minKey && nextKey <= maxKey)) return 1;
+  }
+  return 0;
+}
+
+static void tsdbGetKeyRangeOfFileId(int32_t daysPerFile, int8_t precision, int32_t fileId, TSKEY *minKey,
+                                    TSKEY *maxKey) {
+  *minKey = fileId * daysPerFile * tsMsPerDay[precision];
+  *maxKey = *minKey + daysPerFile * tsMsPerDay[precision] - 1;
+}
+
+static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SCommitIter *iters, SRWHelper *pHelper, SDataCols *pDataCols) {
+  char *      dataDir = NULL;
   STsdbMeta * pMeta = pRepo->tsdbMeta;
   STsdbFileH *pFileH = pRepo->tsdbFileH;
   STsdbCfg *  pCfg = &pRepo->config;
@@ -420,70 +443,84 @@ static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SSkipListIterator **iters
 
   // Check if there are data to commit to this file
   int hasDataToCommit = tsdbHasDataToCommit(iters, pCfg->maxTables, minKey, maxKey);
-  if (!hasDataToCommit) return 0;  // No data to commit, just return
+  if (!hasDataToCommit) {
+    tsdbTrace("vgId:%d no data to commit to file %d", REPO_ID(pRepo), fid);
+    return 0;
+  }
 
   // Create and open files for commit
-  tsdbGetDataDirName(pRepo, dataDir);
+  dataDir = tsdbGetDataDirName(pRepo->rootDir);
+  if (dataDir == NULL) {
+    terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
+    return -1;
+  }
+
   if ((pGroup = tsdbCreateFGroup(pFileH, dataDir, fid, pCfg->maxTables)) == NULL) {
-    tsdbError("vgId:%d, failed to create file group %d", pRepo->config.tsdbId, fid);
+    tsdbError("vgId:%d failed to create file group %d since %s", REPO_ID(pRepo), fid, tstrerror(terrno));
     goto _err;
   }
 
+  free(dataDir);
+
   // Open files for write/read
   if (tsdbSetAndOpenHelperFile(pHelper, pGroup) < 0) {
-    tsdbError("vgId:%d, failed to set helper file", pRepo->config.tsdbId);
+    tsdbError("vgId:%d failed to set helper file since %s", REPO_ID(pRepo), tstrerror(terrno));
     goto _err;
   }
 
   // Loop to commit data in each table
   for (int tid = 1; tid < pCfg->maxTables; tid++) {
-    STable *pTable = pMeta->tables[tid];
-    if (pTable == NULL) continue;
+    SCommitIter *pIter = iters + tid;
+    if (pIter->pTable == NULL) continue;
 
-    SSkipListIterator *pIter = iters[tid];
-
-    // Set the helper and the buffer dataCols object to help to write this table
     tsdbSetHelperTable(pHelper, pTable, pRepo);
-    tdInitDataCols(pDataCols, tsdbGetTableSchema(pMeta, pTable));
 
-    // Loop to write the data in the cache to files. If no data to write, just break the loop
-    int maxRowsToRead = pCfg->maxRowsPerFileBlock * 4 / 5;
-    int nLoop = 0;
-    while (true) {
-      int rowsRead = tsdbReadRowsFromCache(pMeta, pTable, pIter, maxKey, maxRowsToRead, pDataCols);
-      assert(rowsRead >= 0);
-      if (pDataCols->numOfRows == 0) break;
-      nLoop++;
+    if (pIter->pIter != NULL) {
+      tdInitDataCols(pDataCols, tsdbGetTableSchema(pIter->pTable));
 
-      ASSERT(dataColsKeyFirst(pDataCols) >= minKey && dataColsKeyFirst(pDataCols) <= maxKey);
-      ASSERT(dataColsKeyLast(pDataCols) >= minKey && dataColsKeyLast(pDataCols) <= maxKey);
+      int maxRowsToRead = pCfg->maxRowsPerFileBlock * 4 / 5;
+      int nLoop = 0;
+      while (true) {
+        int rowsRead = tsdbReadRowsFromCache(pMeta, pIter->pTable, pIter->pIter, maxKey, maxRowsToRead, pDataCols);
+        ASSERT(rowsRead >= 0);
+        if (pDataCols->numOfRows == 0) break;
+        nLoop++;
 
-      int rowsWritten = tsdbWriteDataBlock(pHelper, pDataCols);
-      ASSERT(rowsWritten != 0);
-      if (rowsWritten < 0) goto _err;
-      ASSERT(rowsWritten <= pDataCols->numOfRows);
+        ASSERT(dataColsKeyFirst(pDataCols) >= minKey && dataColsKeyFirst(pDataCols) <= maxKey);
+        ASSERT(dataColsKeyLast(pDataCols) >= minKey && dataColsKeyLast(pDataCols) <= maxKey);
 
-      tdPopDataColsPoints(pDataCols, rowsWritten);
-      maxRowsToRead = pCfg->maxRowsPerFileBlock * 4 / 5 - pDataCols->numOfRows;
+        int rowsWritten = tsdbWriteDataBlock(pHelper, pDataCols);
+        ASSERT(rowsWritten != 0);
+        if (rowsWritten < 0) {
+          tsdbError("vgId:%d failed to write data block to table %s tid %d uid %" PRIu64 " since %s", REPO_ID(pRepo),
+                    TABLE_CHAR_NAME(pIter->pTable), TABLE_TID(pIter->pTable), TABLE_UID(pIter->pTable),
+                    tstrerror(terrno));
+          goto _err;
+        }
+        ASSERT(rowsWritten <= pDataCols->numOfRows);
+
+        tdPopDataColsPoints(pDataCols, rowsWritten);
+        maxRowsToRead = pCfg->maxRowsPerFileBlock * 4 / 5 - pDataCols->numOfRows;
+      }
+
+      ASSERT(pDataCols->numOfRows == 0);
     }
 
-    ASSERT(pDataCols->numOfRows == 0);
-
     // Move the last block to the new .l file if neccessary
     if (tsdbMoveLastBlockIfNeccessary(pHelper) < 0) {
-      tsdbError("vgId:%d, failed to move last block", pRepo->config.tsdbId);
+      tsdbError("vgId:%d, failed to move last block, since %s", REPO_ID(pRepo), tstrerror(terrno));
       goto _err;
     }
 
     // Write the SCompBlock part
     if (tsdbWriteCompInfo(pHelper) < 0) {
-      tsdbError("vgId:%d, failed to write compInfo part", pRepo->config.tsdbId);
+      tsdbError("vgId:%d, failed to write compInfo part since %s", REPO_ID(pRepo), tstrerror(terrno));
       goto _err;
     }
   }
 
   if (tsdbWriteCompIdx(pHelper) < 0) {
-    tsdbError("vgId:%d, failed to write compIdx part", pRepo->config.tsdbId);
+    tsdbError("vgId:%d failed to write compIdx part to file %d since %s", REPO_ID(pRepo), fid, tstrerror(terrno));
     goto _err;
   }
 
@@ -496,43 +533,63 @@ static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SSkipListIterator **iters
   return 0;
 
 _err:
-  ASSERT(false);
+  // ASSERT(false);
   tsdbCloseHelperFile(pHelper, 1);
   return -1;
 }
 
-static SSkipListIterator **tsdbCreateTableIters(STsdbRepo *pRepo) {
-  STsdbCfg *pCfg = &(pRepo->config);
+static SCommitIter *tsdbCreateTableIters(STsdbRepo *pRepo) {
+  STsdbCfg * pCfg = &(pRepo->config);
+  SMemTable *pMem = pRepo->imem;
+  STsdbMeta *pMeta = pRepo->tsdbMeta;
 
-  SSkipListIterator **iters = (SSkipListIterator **)calloc(pCfg->maxTables, sizeof(SSkipListIterator *));
+  SCommitIter *iters = (SCommitIter *)calloc(pCfg->maxTables, sizeof(SCommitIter));
   if (iters == NULL) {
     terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
     return NULL;
   }
 
-  for (int tid = 1; tid < maxTables; tid++) {
-    STable *pTable = pMeta->tables[tid];
-    if (pTable == NULL || pTable->imem == NULL || pTable->imem->numOfRows == 0) continue;
+  if (tsdbRLockRepoMeta(pRepo) < 0) goto _err;
 
-    iters[tid] = tSkipListCreateIter(pTable->imem->pData);
-    if (iters[tid] == NULL) goto _err;
+  // reference all tables
+  for (int i = 0; i < pCfg->maxTables; i++) { 
+    if (pMeta->tables[i] != NULL) {
+      tsdbRefTable(pMeta->tables[i]);
+      iters[i].pTable = pMeta->tables[i];
+    }
+  }
 
-    if (!tSkipListIterNext(iters[tid])) goto _err;
+  if (tsdbUnlockRepoMeta(pRepo) < 0) goto _err;
+
+  for (int i = 0; i < pCfg->maxTables; i++) {
+    if ((iters[i].pTable != NULL) && (pMem->tData[i] != NULL) && (TALBE_UID(iters[i].pTable) == pMem->tData[i]->uid)) {
+      if ((iters[i].pIter = tSkipListCreateIter(pMem->tData[i]->pData)) == NULL) {
+        terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
+        goto _err;
+      }
+
+      if (!tSkipListIterNext(iters[i].pIter)) {
+        terrno = TSDB_CODE_TDB_NO_TABLE_DATA_IN_MEM;
+        goto _err;
+      }
+    }
   }
 
   return iters;
 
 _err:
-  tsdbDestroyTableIters(iters, maxTables);
+  tsdbDestroyTableIters(iters, pCfg->maxTables);
   return NULL;
 }
 
-static void tsdbDestroyTableIters(SSkipListIterator **iters, int maxTables) {
+static void tsdbDestroyTableIters(SCommitIter *iters, int maxTables) {
   if (iters == NULL) return;
 
-  for (int tid = 1; tid < maxTables; tid++) {
-    if (iters[tid] == NULL) continue;
-    tSkipListDestroyIter(iters[tid]);
+  for (int i = 1; i < maxTables; i++) {
+    if (iters[i].pTable != NULL) {
+      tsdbUnRefTable(iters[i].pTable);
+      tSkipListDestroyIter(iters[i].pIter);
+    }
   }
 
   free(iters);

src/tsdb/src/tsdbMeta.c

@@ -516,6 +516,14 @@ int tsdbUnlockRepoMeta(STsdbRepo *pRepo) {
   return 0;
 }
 
+void tsdbRefTable(STable *pTable) { T_REF_INC(pTable); }
+
+void tsdbUnRefTable(STable *pTable) {
+  if (T_REF_DEC(pTable) == 0) {
+    tsdbFreeTable(pTable);
+  }
+}
+
 // ------------------ LOCAL FUNCTIONS ------------------
 static int tsdbCompareSchemaVersion(const void *key1, const void *key2) {
   if (*(int16_t *)key1 < schemaVersion(*(STSchema **)key2)) {