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TD-90

This commit is contained in:
Hongze Cheng 2020-06-03 10:59:05 +00:00
parent 5b0534b4f4
commit b3a0c4291e
5 changed files with 108 additions and 38 deletions
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2
src/common/inc/tdataformat.h
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@ -248,7 +248,7 @@ void tdResetDataCols(SDataCols *pCols);
void tdInitDataCols(SDataCols *pCols, STSchema *pSchema);
SDataCols *tdDupDataCols(SDataCols *pCols, bool keepData);
void tdFreeDataCols(SDataCols *pCols);
void tdAppendDataRowToDataCol(SDataRow row, SDataCols *pCols);
void tdAppendDataRowToDataCol(SDataRow row, STSchema *pSchema, SDataCols *pCols);
void tdPopDataColsPoints(SDataCols *pCols, int pointsToPop); //!!!!
int tdMergeDataCols(SDataCols *target, SDataCols *src, int rowsToMerge);
void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, SDataCols *src2, int *iter2, int tRows);

68
src/common/src/tdataformat.c
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@ -265,25 +265,29 @@ bool isNEleNull(SDataCol *pCol, int nEle) {
}
}
void dataColSetNEleNull(SDataCol *pCol, int nEle, int maxPoints) {
char *ptr = NULL;
switch (pCol->type) {
case TSDB_DATA_TYPE_BINARY:
case TSDB_DATA_TYPE_NCHAR:
pCol->len = 0;
for (int i = 0; i < nEle; i++) {
pCol->dataOff[i] = pCol->len;
ptr = (char *)pCol->pData + pCol->len;
varDataLen(ptr) = (pCol->type == TSDB_DATA_TYPE_BINARY) ? sizeof(char) : TSDB_NCHAR_SIZE;
setNull(ptr + sizeof(VarDataLenT), pCol->type, pCol->bytes);
pCol->len += varDataTLen(ptr);
}
void dataColSetNullAt(SDataCol *pCol, int index) {
if (IS_VAR_DATA_TYPE(pCol->type)) {
pCol->dataOff[index] = pCol->len;
char *ptr = POINTER_SHIFT(pCol->pData, pCol->len);
varDataLen(ptr) = (pCol->type == TSDB_DATA_TYPE_BINARY) ? sizeof(char) : TSDB_NCHAR_SIZE;
setNull(varDataVal(ptr), pCol->type, pCol->bytes);
pCol->len += varDataTLen(ptr);
} else {
setNull(POINTER_SHIFT(pCol->pData, TYPE_BYTES[pCol->type] * index), pCol->type, pCol->bytes);
pCol->len += TYPE_BYTES[pCol->type];
}
}
break;
default:
setNullN(pCol->pData, pCol->type, pCol->bytes, nEle);
pCol->len = TYPE_BYTES[pCol->type] * nEle;
break;
void dataColSetNEleNull(SDataCol *pCol, int nEle, int maxPoints) {
if (IS_VAR_DATA_TYPE(pCol->type)) {
pCol->len = 0;
for (int i = 0; i < nEle; i++) {
dataColSetNullAt(pCol, i);
}
} else {
setNullN(pCol->pData, pCol->type, pCol->bytes, nEle);
pCol->len = TYPE_BYTES[pCol->type] * nEle;
}
}
@ -380,14 +384,32 @@ void tdResetDataCols(SDataCols *pCols) {
}
}
void tdAppendDataRowToDataCol(SDataRow row, SDataCols *pCols) {
void tdAppendDataRowToDataCol(SDataRow row, STSchema *pSchema, SDataCols *pCols) {
ASSERT(dataColsKeyLast(pCols) < dataRowKey(row));
for (int i = 0; i < pCols->numOfCols; i++) {
SDataCol *pCol = pCols->cols + i;
void * value = tdGetRowDataOfCol(row, pCol->type, pCol->offset);
int rcol = 0;
int dcol = 0;
dataColAppendVal(pCol, value, pCols->numOfRows, pCols->maxPoints);
while (dcol < pCols->numOfCols) {
SDataCol *pDataCol = &(pCols->cols[dcol]);
if (rcol >= schemaNCols(pSchema)) {
dataColSetNullAt(pDataCol, pCols->numOfRows);
dcol++;
continue;
}
STColumn *pRowCol = schemaColAt(pSchema, rcol);
if (pRowCol->colId == pDataCol->colId) {
dataColAppendVal(pDataCol, tdGetRowDataOfCol(row, pRowCol->type, pRowCol->offset), pCols->numOfRows,
pCols->maxPoints);
dcol++;
rcol++;
} else if (pRowCol->colId < pDataCol->colId) {
rcol++;
} else {
dataColSetNullAt(pDataCol, pCols->numOfRows);
dcol++;
}
}
pCols->numOfRows++;
}

19
src/tsdb/inc/tsdbMain.h
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@ -123,7 +123,6 @@ typedef struct STableIndexElem {
STsdbMeta *tsdbInitMeta(char *rootDir, int32_t maxTables, void *pRepo);
int32_t tsdbFreeMeta(STsdbMeta *pMeta);
STSchema * tsdbGetTableSchema(STsdbMeta *pMeta, STable *pTable);
STSchema * tsdbGetTableTagSchema(STsdbMeta *pMeta, STable *pTable);
// ---- Operation on STable
@ -503,14 +502,16 @@ int tsdbWriteCompInfo(SRWHelper *pHelper);
int tsdbWriteCompIdx(SRWHelper *pHelper);
// --------- Other functions need to further organize
void tsdbFitRetention(STsdbRepo *pRepo);
int tsdbAlterCacheTotalBlocks(STsdbRepo *pRepo, int totalBlocks);
void tsdbAdjustCacheBlocks(STsdbCache *pCache);
int32_t tsdbGetMetaFileName(char *rootDir, char *fname);
int tsdbUpdateFileHeader(SFile *pFile, uint32_t version);
int tsdbUpdateTable(STsdbMeta *pMeta, STable *pTable, STableCfg *pCfg);
int tsdbRemoveTableFromIndex(STsdbMeta *pMeta, STable *pTable);
int tsdbAddTableIntoIndex(STsdbMeta *pMeta, STable *pTable);
void tsdbFitRetention(STsdbRepo *pRepo);
int tsdbAlterCacheTotalBlocks(STsdbRepo *pRepo, int totalBlocks);
void tsdbAdjustCacheBlocks(STsdbCache *pCache);
int32_t tsdbGetMetaFileName(char *rootDir, char *fname);
int tsdbUpdateFileHeader(SFile *pFile, uint32_t version);
int tsdbUpdateTable(STsdbMeta *pMeta, STable *pTable, STableCfg *pCfg);
int tsdbRemoveTableFromIndex(STsdbMeta *pMeta, STable *pTable);
int tsdbAddTableIntoIndex(STsdbMeta *pMeta, STable *pTable);
STSchema *tsdbGetTableSchemaByVersion(STsdbMeta *pMeta, STable *pTable, int16_t version);
STSchema *tsdbGetTableSchema(STsdbMeta *pMeta, STable *pTable);
#define DEFAULT_TAG_INDEX_COLUMN 0 // skip list built based on the first column of tags

15
src/tsdb/src/tsdbMain.c
View File

@ -974,9 +974,10 @@ static int32_t tsdbInsertDataToTable(TsdbRepoT *repo, SSubmitBlk *pBlock, TSKEY
return TSDB_CODE_SUCCESS;
}
static int tsdbReadRowsFromCache(SSkipListIterator *pIter, TSKEY maxKey, int maxRowsToRead, SDataCols *pCols) {
static int tsdbReadRowsFromCache(STsdbMeta *pMeta, STable *pTable, SSkipListIterator *pIter, TSKEY maxKey, int maxRowsToRead, SDataCols *pCols) {
ASSERT(maxRowsToRead > 0);
if (pIter == NULL) return 0;
STSchema *pSchema = NULL;
int numOfRows = 0;
@ -989,7 +990,15 @@ static int tsdbReadRowsFromCache(SSkipListIterator *pIter, TSKEY maxKey, int max
SDataRow row = SL_GET_NODE_DATA(node);
if (dataRowKey(row) > maxKey) break;
tdAppendDataRowToDataCol(row, pCols);
if (pSchema == NULL || schemaVersion(pSchema) != dataRowVersion(row)) {
pSchema = tsdbGetTableSchemaByVersion(pMeta, pTable, dataRowVersion(row));
if (pSchema == NULL) {
// TODO: deal with the error here
ASSERT(false);
}
}
tdAppendDataRowToDataCol(row, pSchema, pCols);
numOfRows++;
} while (tSkipListIterNext(pIter));
@ -1139,7 +1148,7 @@ static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SSkipListIterator **iters
int maxRowsToRead = pCfg->maxRowsPerFileBlock * 4 / 5;
int nLoop = 0;
while (true) {
int rowsRead = tsdbReadRowsFromCache(pIter, maxKey, maxRowsToRead, pDataCols);
int rowsRead = tsdbReadRowsFromCache(pMeta, pTable, pIter, maxKey, maxRowsToRead, pDataCols);
assert(rowsRead >= 0);
if (pDataCols->numOfRows == 0) break;
nLoop++;

42
src/tsdb/src/tsdbMeta.c
View File

@ -248,6 +248,32 @@ STSchema *tsdbGetTableSchema(STsdbMeta *pMeta, STable *pTable) {
}
}
static int tsdbCompareSchemaVersion(const void *key1, const void *key2) {
if (*(int16_t *)key1 < (*(STSchema **)key2)->version) {
return -1;
} else if (*(int16_t *)key1 > (*(STSchema **)key2)->version) {
return 1;
} else {
return 0;
}
}
STSchema *tsdbGetTableSchemaByVersion(STsdbMeta *pMeta, STable *pTable, int16_t version) {
STable *pSearchTable = NULL;
if (pTable->type == TSDB_CHILD_TABLE) {
pSearchTable = tsdbGetTableByUid(pMeta, pTable->superUid);
} else {
pSearchTable = pTable;
}
ASSERT(pSearchTable != NULL);
void *ptr = taosbsearch(&version, pSearchTable->schema, pSearchTable->numOfSchemas, sizeof(STSchema *),
tsdbCompareSchemaVersion, TD_EQ);
if (ptr == NULL) return NULL;
return (STSchema *)ptr;
}
STSchema * tsdbGetTableTagSchema(STsdbMeta *pMeta, STable *pTable) {
if (pTable->type == TSDB_SUPER_TABLE) {
return pTable->tagSchema;
@ -392,9 +418,21 @@ int tsdbUpdateTable(STsdbMeta *pMeta, STable *pTable, STableCfg *pCfg) {
isChanged = true;
}
{
// TODO: try to update the data schema
STSchema *pTSchema = tsdbGetTableSchema(pMeta, pTable);
if (schemaVersion(pTSchema) < schemaVersion(pCfg->schema)) {
if (pTable->numOfSchemas < TSDB_MAX_TABLE_SCHEMAS) {
pTable->schema[pTable->numOfSchemas++] = tdDupSchema(pCfg->schema);
} else {
ASSERT(pTable->numOfSchemas == TSDB_MAX_TABLE_SCHEMAS);
STSchema *tSchema = tdDupSchema(pCfg->schema);
tdFreeSchema(pTable->schema[0]);
memmove(pTable->schema, pTable->schema+1, sizeof(STSchema *) * (TSDB_MAX_TABLE_SCHEMAS - 1));
pTable->schema[pTable->numOfSchemas-1] = tSchema;
}
isChanged = true;
}
if (isChanged) {
char *buf = malloc(1024 * 1024);
int bufLen = 0;