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TDengine
提交 a9360afa 编写于 作者: H Haojun Liao
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[TD-2635]<feature>: support next fill option.

上级 b15eb994
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Showing with 295 addition and 273 deletion
src/client/src/tscLocalMerge.c
浏览文件 @ a9360afa
......@@ -979,14 +979,13 @@ static void doFillResult(SSqlObj *pSql, SLocalReducer *pLocalReducer, bool doneO
pQueryInfo->limit.offset -= newRows;
pRes->numOfRows = 0;
int32_t rpoints = taosNumOfRemainRows(pFillInfo);
if (rpoints <= 0) {
if (!taosFillHasMoreResults(pFillInfo)) {
if (!doneOutput) { // reduce procedure has not completed yet, but current results for fill are exhausted
break;
}
// all output in current group are completed
int32_t totalRemainRows = (int32_t)getNumOfResWithFill(pFillInfo, actualETime, pLocalReducer->resColModel->capacity);
int32_t totalRemainRows = (int32_t)getNumOfResultsAfterFillGap(pFillInfo, actualETime, pLocalReducer->resColModel->capacity);
if (totalRemainRows <= 0) {
break;
}
......@@ -1337,14 +1336,14 @@ static bool doBuildFilledResultForGroup(SSqlObj *pSql) {
SLocalReducer *pLocalReducer = pRes->pLocalReducer;
SFillInfo *pFillInfo = pLocalReducer->pFillInfo;
if (pFillInfo != NULL && taosNumOfRemainRows(pFillInfo) > 0) {
if (pFillInfo != NULL && taosFillHasMoreResults(pFillInfo)) {
assert(pQueryInfo->fillType != TSDB_FILL_NONE);
tFilePage *pFinalDataBuf = pLocalReducer->pResultBuf;
int64_t etime = *(int64_t *)(pFinalDataBuf->data + TSDB_KEYSIZE * (pFillInfo->numOfRows - 1));
// the first column must be the timestamp column
int32_t rows = (int32_t) getNumOfResWithFill(pFillInfo, etime, pLocalReducer->resColModel->capacity);
int32_t rows = (int32_t) getNumOfResultsAfterFillGap(pFillInfo, etime, pLocalReducer->resColModel->capacity);
if (rows > 0) { // do fill gap
doFillResult(pSql, pLocalReducer, false);
}
......@@ -1373,7 +1372,7 @@ static bool doHandleLastRemainData(SSqlObj *pSql) {
((pRes->numOfRowsGroup < pQueryInfo->limit.limit && pQueryInfo->limit.limit > 0) || (pQueryInfo->limit.limit < 0))) {
int64_t etime = (pQueryInfo->order.order == TSDB_ORDER_ASC)? pQueryInfo->window.ekey : pQueryInfo->window.skey;
int32_t rows = (int32_t)getNumOfResWithFill(pFillInfo, etime, pLocalReducer->resColModel->capacity);
int32_t rows = (int32_t)getNumOfResultsAfterFillGap(pFillInfo, etime, pLocalReducer->resColModel->capacity);
if (rows > 0) {
doFillResult(pSql, pLocalReducer, true);
}
......
src/client/src/tscSQLParser.c
浏览文件 @ a9360afa
......@@ -4514,6 +4514,8 @@ int32_t parseFillClause(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SQuerySQL* pQuery
}
} else if (strncasecmp(pItem->pVar.pz, "prev", 4) == 0 && pItem->pVar.nLen == 4) {
pQueryInfo->fillType = TSDB_FILL_PREV;
} else if (strncasecmp(pItem->pVar.pz, "next", 4) == 0 && pItem->pVar.nLen == 4) {
pQueryInfo->fillType = TSDB_FILL_NEXT;
} else if (strncasecmp(pItem->pVar.pz, "linear", 6) == 0 && pItem->pVar.nLen == 6) {
pQueryInfo->fillType = TSDB_FILL_LINEAR;
} else if (strncasecmp(pItem->pVar.pz, "value", 5) == 0 && pItem->pVar.nLen == 5) {
......
src/common/src/ttypes.c
浏览文件 @ a9360afa
......@@ -524,15 +524,18 @@ void assignVal(char *val, const char *src, int32_t len, int32_t type) {
switch (type) {
case TSDB_DATA_TYPE_BOOL:
case TSDB_DATA_TYPE_TINYINT:
case TSDB_DATA_TYPE_UTINYINT:
*((int8_t *)val) = GET_INT8_VAL(src);
break;
case TSDB_DATA_TYPE_SMALLINT:
case TSDB_DATA_TYPE_USMALLINT:
*((int16_t *)val) = GET_INT16_VAL(src);
break;
case TSDB_DATA_TYPE_INT: {
case TSDB_DATA_TYPE_INT:
case TSDB_DATA_TYPE_UINT:
*((int32_t *)val) = GET_INT32_VAL(src);
break;
}
case TSDB_DATA_TYPE_FLOAT:
SET_FLOAT_VAL(val, GET_FLOAT_VAL(src));
break;
......@@ -540,6 +543,7 @@ void assignVal(char *val, const char *src, int32_t len, int32_t type) {
SET_DOUBLE_VAL(val, GET_DOUBLE_VAL(src));
break;
case TSDB_DATA_TYPE_BIGINT:
case TSDB_DATA_TYPE_UBIGINT:
case TSDB_DATA_TYPE_TIMESTAMP:
*((int64_t *)val) = GET_INT64_VAL(src);
break;
......
src/inc/taosmsg.h
浏览文件 @ a9360afa
......@@ -158,6 +158,7 @@ enum _mgmt_table {
#define TSDB_FILL_SET_VALUE 2
#define TSDB_FILL_LINEAR 3
#define TSDB_FILL_PREV 4
#define TSDB_FILL_NEXT 5
#define TSDB_ALTER_USER_PASSWD 0x1
#define TSDB_ALTER_USER_PRIVILEGES 0x2
......
src/query/inc/qFill.h
浏览文件 @ a9360afa
......@@ -82,9 +82,9 @@ void taosFillCopyInputDataFromFilePage(SFillInfo* pFillInfo, const tFilePage** p
void taosFillCopyInputDataFromOneFilePage(SFillInfo* pFillInfo, const tFilePage* pInput);
int64_t getNumOfResWithFill(SFillInfo* pFillInfo, int64_t ekey, int32_t maxNumOfRows);
bool taosFillHasMoreResults(SFillInfo* pFillInfo);
int32_t taosNumOfRemainRows(SFillInfo *pFillInfo);
int64_t getNumOfResultsAfterFillGap(SFillInfo* pFillInfo, int64_t ekey, int32_t maxNumOfRows);
int32_t taosGetLinearInterpolationVal(int32_t type, SPoint *point1, SPoint *point2, SPoint *point);
......
src/query/src/qExecutor.c
浏览文件 @ a9360afa
......@@ -4176,7 +4176,7 @@ static void stableApplyFunctionsOnBlock(SQueryRuntimeEnv *pRuntimeEnv, SDataBloc
}
}
bool queryHasRemainResForTableQuery(SQueryRuntimeEnv* pRuntimeEnv) {
bool hasNotReturnedResults(SQueryRuntimeEnv* pRuntimeEnv) {
SQuery *pQuery = pRuntimeEnv->pQuery;
SFillInfo *pFillInfo = pRuntimeEnv->pFillInfo;
......@@ -4186,8 +4186,7 @@ bool queryHasRemainResForTableQuery(SQueryRuntimeEnv* pRuntimeEnv) {
if (pQuery->fillType != TSDB_FILL_NONE && !isPointInterpoQuery(pQuery)) {
// There are results not returned to client yet, so filling applied to the remain result is required firstly.
int32_t remain = taosNumOfRemainRows(pFillInfo);
if (remain > 0) {
if (taosFillHasMoreResults(pFillInfo)) {
return true;
}
......@@ -4201,7 +4200,7 @@ bool queryHasRemainResForTableQuery(SQueryRuntimeEnv* pRuntimeEnv) {
* first result row in the actual result set will fill nothing.
*/
if (Q_STATUS_EQUAL(pQuery->status, QUERY_COMPLETED)) {
int32_t numOfTotal = (int32_t)getNumOfResWithFill(pFillInfo, pQuery->window.ekey, (int32_t)pQuery->rec.capacity);
int32_t numOfTotal = (int32_t)getNumOfResultsAfterFillGap(pFillInfo, pQuery->window.ekey, (int32_t)pQuery->rec.capacity);
return numOfTotal > 0;
}
......@@ -4269,7 +4268,7 @@ static void doCopyQueryResultToMsg(SQInfo *pQInfo, int32_t numOfRows, char *data
setQueryStatus(pQuery, QUERY_OVER);
}
} else {
if (!queryHasRemainResForTableQuery(&pQInfo->runtimeEnv)) {
if (!hasNotReturnedResults(&pQInfo->runtimeEnv)) {
setQueryStatus(pQuery, QUERY_OVER);
}
}
......@@ -4296,7 +4295,6 @@ int32_t doFillGapsInResults(SQueryRuntimeEnv* pRuntimeEnv, tFilePage **pDst, int
pQInfo, pFillInfo->numOfRows, ret, pQuery->limit.offset, ret - pQuery->limit.offset, 0);
ret -= (int32_t)pQuery->limit.offset;
// todo !!!!there exactly number of interpo is not valid.
for (int32_t i = 0; i < pQuery->numOfOutput; ++i) {
memmove(pDst[i]->data, pDst[i]->data + pQuery->pExpr1[i].bytes * pQuery->limit.offset,
ret * pQuery->pExpr1[i].bytes);
......@@ -4314,7 +4312,7 @@ int32_t doFillGapsInResults(SQueryRuntimeEnv* pRuntimeEnv, tFilePage **pDst, int
ret = 0;
}
if (!queryHasRemainResForTableQuery(pRuntimeEnv)) {
if (!hasNotReturnedResults(pRuntimeEnv)) {
return ret;
}
}
......@@ -5774,7 +5772,7 @@ static void tableQueryImpl(SQInfo *pQInfo) {
SQueryRuntimeEnv *pRuntimeEnv = &pQInfo->runtimeEnv;
SQuery * pQuery = pRuntimeEnv->pQuery;
if (queryHasRemainResForTableQuery(pRuntimeEnv)) {
if (hasNotReturnedResults(pRuntimeEnv)) {
if (pQuery->fillType != TSDB_FILL_NONE) {
/*
* There are remain results that are not returned due to result interpolation
......
src/query/src/qFill.c
浏览文件 @ a9360afa
......@@ -25,237 +25,8 @@
#include "queryLog.h"
#define FILL_IS_ASC_FILL(_f) ((_f)->order == TSDB_ORDER_ASC)
// there are no duplicated tags in the SFillTagColInfo list
static int32_t setTagColumnInfo(SFillInfo* pFillInfo, int32_t numOfCols, int32_t capacity) {
int32_t rowsize = 0;
int32_t k = 0;
for (int32_t i = 0; i < numOfCols; ++i) {
SFillColInfo* pColInfo = &pFillInfo->pFillCol[i];
pFillInfo->pData[i] = calloc(1, pColInfo->col.bytes * capacity);
if (TSDB_COL_IS_TAG(pColInfo->flag)) {
bool exists = false;
int32_t index = -1;
for (int32_t j = 0; j < k; ++j) {
if (pFillInfo->pTags[j].col.colId == pColInfo->col.colId) {
exists = true;
index = j;
break;
}
}
if (!exists) {
SSchema* pSchema = &pFillInfo->pTags[k].col;
pSchema->colId = pColInfo->col.colId;
pSchema->type = pColInfo->col.type;
pSchema->bytes = pColInfo->col.bytes;
pFillInfo->pTags[k].tagVal = calloc(1, pColInfo->col.bytes);
pColInfo->tagIndex = k;
k += 1;
} else {
pColInfo->tagIndex = index;
}
}
rowsize += pColInfo->col.bytes;
}
assert(k <= pFillInfo->numOfTags);
return rowsize;
}
SFillInfo* taosInitFillInfo(int32_t order, TSKEY skey, int32_t numOfTags, int32_t capacity, int32_t numOfCols,
int64_t slidingTime, int8_t slidingUnit, int8_t precision, int32_t fillType,
SFillColInfo* pCol, void* handle) {
if (fillType == TSDB_FILL_NONE) {
return NULL;
}
SFillInfo* pFillInfo = calloc(1, sizeof(SFillInfo));
taosResetFillInfo(pFillInfo, skey);
pFillInfo->order = order;
pFillInfo->type = fillType;
pFillInfo->pFillCol = pCol;
pFillInfo->numOfTags = numOfTags;
pFillInfo->numOfCols = numOfCols;
pFillInfo->precision = precision;
pFillInfo->alloc = capacity;
pFillInfo->handle = handle;
pFillInfo->interval.interval = slidingTime;
pFillInfo->interval.intervalUnit = slidingUnit;
pFillInfo->interval.sliding = slidingTime;
pFillInfo->interval.slidingUnit = slidingUnit;
pFillInfo->pData = malloc(POINTER_BYTES * numOfCols);
if (numOfTags > 0) {
pFillInfo->pTags = calloc(pFillInfo->numOfTags, sizeof(SFillTagColInfo));
for (int32_t i = 0; i < numOfTags; ++i) {
pFillInfo->pTags[i].col.colId = -2; // TODO
}
}
pFillInfo->rowSize = setTagColumnInfo(pFillInfo, pFillInfo->numOfCols, pFillInfo->alloc);
assert(pFillInfo->rowSize > 0);
return pFillInfo;
}
void taosResetFillInfo(SFillInfo* pFillInfo, TSKEY startTimestamp) {
pFillInfo->start = startTimestamp;
pFillInfo->currentKey = startTimestamp;
pFillInfo->index = -1;
pFillInfo->numOfRows = 0;
pFillInfo->numOfCurrent = 0;
pFillInfo->numOfTotal = 0;
}
void* taosDestroyFillInfo(SFillInfo* pFillInfo) {
if (pFillInfo == NULL) {
return NULL;
}
tfree(pFillInfo->prevValues);
tfree(pFillInfo->nextValues);
tfree(pFillInfo->pTags);
for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
tfree(pFillInfo->pData[i]);
}
tfree(pFillInfo->pData);
tfree(pFillInfo->pFillCol);
tfree(pFillInfo);
return NULL;
}
void taosFillSetStartInfo(SFillInfo* pFillInfo, int32_t numOfRows, TSKEY endKey) {
if (pFillInfo->type == TSDB_FILL_NONE) {
return;
}
pFillInfo->end = endKey;
if (!FILL_IS_ASC_FILL(pFillInfo)) {
pFillInfo->end = taosTimeTruncate(endKey, &pFillInfo->interval, pFillInfo->precision);
}
pFillInfo->index = 0;
pFillInfo->numOfRows = numOfRows;
// ensure the space
if (pFillInfo->alloc < numOfRows) {
for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
char* tmp = realloc(pFillInfo->pData[i], numOfRows*pFillInfo->pFillCol[i].col.bytes);
assert(tmp != NULL); // todo handle error
memset(tmp, 0, numOfRows*pFillInfo->pFillCol[i].col.bytes);
pFillInfo->pData[i] = tmp;
}
}
}
// copy the data into source data buffer
void taosFillCopyInputDataFromFilePage(SFillInfo* pFillInfo, const tFilePage** pInput) {
for (int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
memcpy(pFillInfo->pData[i], pInput[i]->data, pFillInfo->numOfRows * pFillInfo->pFillCol[i].col.bytes);
}
}
void taosFillCopyInputDataFromOneFilePage(SFillInfo* pFillInfo, const tFilePage* pInput) {
assert(pFillInfo->numOfRows == pInput->num);
for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
SFillColInfo* pCol = &pFillInfo->pFillCol[i];
const char* data = pInput->data + pCol->col.offset * pInput->num;
memcpy(pFillInfo->pData[i], data, (size_t)(pInput->num * pCol->col.bytes));
if (TSDB_COL_IS_TAG(pCol->flag)) { // copy the tag value to tag value buffer
SFillTagColInfo* pTag = &pFillInfo->pTags[pCol->tagIndex];
assert (pTag->col.colId == pCol->col.colId);
memcpy(pTag->tagVal, data, pCol->col.bytes);
}
}
}
int64_t getNumOfResWithFill(SFillInfo* pFillInfo, TSKEY ekey, int32_t maxNumOfRows) {
int64_t* tsList = (int64_t*) pFillInfo->pData[0];
int32_t numOfRows = taosNumOfRemainRows(pFillInfo);
TSKEY ekey1 = ekey;
if (!FILL_IS_ASC_FILL(pFillInfo)) {
pFillInfo->end = taosTimeTruncate(ekey, &pFillInfo->interval, pFillInfo->precision);
}
int64_t numOfRes = -1;
if (numOfRows > 0) { // still fill gap within current data block, not generating data after the result set.
TSKEY lastKey = tsList[pFillInfo->numOfRows - 1];
numOfRes = taosTimeCountInterval(
lastKey,
pFillInfo->currentKey,
pFillInfo->interval.sliding,
pFillInfo->interval.slidingUnit,
pFillInfo->precision);
numOfRes += 1;
assert(numOfRes >= numOfRows);
} else { // reach the end of data
if ((ekey1 < pFillInfo->currentKey && FILL_IS_ASC_FILL(pFillInfo)) ||
(ekey1 > pFillInfo->currentKey && !FILL_IS_ASC_FILL(pFillInfo))) {
return 0;
}
numOfRes = taosTimeCountInterval(
ekey1,
pFillInfo->currentKey,
pFillInfo->interval.sliding,
pFillInfo->interval.slidingUnit,
pFillInfo->precision);
numOfRes += 1;
}
return (numOfRes > maxNumOfRows) ? maxNumOfRows : numOfRes;
}
int32_t taosNumOfRemainRows(SFillInfo* pFillInfo) {
if (pFillInfo->numOfRows == 0 || (pFillInfo->numOfRows > 0 && pFillInfo->index >= pFillInfo->numOfRows)) {
return 0;
}
return pFillInfo->numOfRows - pFillInfo->index;
}
#define DO_INTERPOLATION(_v1, _v2, _k1, _k2, _k) ((_v1) + ((_v2) - (_v1)) * (((double)(_k)) - ((double)(_k1))) / (((double)(_k2)) - ((double)(_k1))))
int32_t taosGetLinearInterpolationVal(int32_t type, SPoint* point1, SPoint* point2, SPoint* point) {
double v1 = -1;
double v2 = -1;
GET_TYPED_DATA(v1, double, type, point1->val);
GET_TYPED_DATA(v2, double, type, point2->val);
double r = DO_INTERPOLATION(v1, v2, point1->key, point2->key, point->key);
switch(type) {
case TSDB_DATA_TYPE_TINYINT: *(int8_t*) point->val = (int8_t) r;break;
case TSDB_DATA_TYPE_SMALLINT: *(int16_t*) point->val = (int16_t) r;break;
case TSDB_DATA_TYPE_INT: *(int32_t*) point->val = (int32_t) r;break;
case TSDB_DATA_TYPE_BIGINT: *(int64_t*) point->val = (int64_t) r;break;
case TSDB_DATA_TYPE_DOUBLE: *(double*) point->val = (double) r;break;
case TSDB_DATA_TYPE_FLOAT: *(float*) point->val = (float) r;break;
default:
assert(0);
}
return TSDB_CODE_SUCCESS;
}
static void setTagsValue(SFillInfo* pFillInfo, tFilePage** data, int32_t genRows) {
for(int32_t j = 0; j < pFillInfo->numOfCols; ++j) {
SFillColInfo* pCol = &pFillInfo->pFillCol[j];
......@@ -299,6 +70,22 @@ static void doFillOneRowResult(SFillInfo* pFillInfo, tFilePage** data, char** sr
if (pFillInfo->type == TSDB_FILL_PREV) {
char* p = FILL_IS_ASC_FILL(pFillInfo) ? prev : next;
if (p != NULL) {
for (int32_t i = 1; i < pFillInfo->numOfCols; ++i) {
SFillColInfo* pCol = &pFillInfo->pFillCol[i];
if (TSDB_COL_IS_TAG(pCol->flag)) {
continue;
}
char* output = elePtrAt(data[i]->data, pCol->col.bytes, index);
assignVal(output, p + pCol->col.offset, pCol->col.bytes, pCol->col.type);
}
} else { // no prev value yet, set the value for NULL
setNullValueForRow(pFillInfo, data, pFillInfo->numOfCols, index);
}
} else if (pFillInfo->type == TSDB_FILL_NEXT) {
char* p = FILL_IS_ASC_FILL(pFillInfo)? next : prev;
if (p != NULL) {
for (int32_t i = 1; i < pFillInfo->numOfCols; ++i) {
SFillColInfo* pCol = &pFillInfo->pFillCol[i];
......@@ -393,9 +180,9 @@ static int32_t fillResultImpl(SFillInfo* pFillInfo, tFilePage** data, int32_t ou
while (pFillInfo->numOfCurrent < outputRows) {
int64_t ts = ((int64_t*)pFillInfo->pData[0])[pFillInfo->index];
// set the next value for interpolation
if ((pFillInfo->currentKey < ts && FILL_IS_ASC_FILL(pFillInfo)) ||
(pFillInfo->currentKey > ts && !FILL_IS_ASC_FILL(pFillInfo))) {
/* set the next value for interpolation */
initBeforeAfterDataBuf(pFillInfo, next);
copyCurrentRowIntoBuf(pFillInfo, srcData, *next);
}
......@@ -468,7 +255,7 @@ static int32_t fillResultImpl(SFillInfo* pFillInfo, tFilePage** data, int32_t ou
return pFillInfo->numOfCurrent;
}
static int64_t fillExternalResults(SFillInfo* pFillInfo, tFilePage** output, int64_t resultCapacity) {
static int64_t appendFilledResult(SFillInfo* pFillInfo, tFilePage** output, int64_t resultCapacity) {
/*
* These data are generated according to fill strategy, since the current timestamp is out of the time window of
* real result set. Note that we need to keep the direct previous result rows, to generated the filled data.
......@@ -484,15 +271,246 @@ static int64_t fillExternalResults(SFillInfo* pFillInfo, tFilePage** output, int
return resultCapacity;
}
// there are no duplicated tags in the SFillTagColInfo list
static int32_t setTagColumnInfo(SFillInfo* pFillInfo, int32_t numOfCols, int32_t capacity) {
int32_t rowsize = 0;
int32_t k = 0;
for (int32_t i = 0; i < numOfCols; ++i) {
SFillColInfo* pColInfo = &pFillInfo->pFillCol[i];
pFillInfo->pData[i] = calloc(1, pColInfo->col.bytes * capacity);
if (TSDB_COL_IS_TAG(pColInfo->flag)) {
bool exists = false;
int32_t index = -1;
for (int32_t j = 0; j < k; ++j) {
if (pFillInfo->pTags[j].col.colId == pColInfo->col.colId) {
exists = true;
index = j;
break;
}
}
if (!exists) {
SSchema* pSchema = &pFillInfo->pTags[k].col;
pSchema->colId = pColInfo->col.colId;
pSchema->type = pColInfo->col.type;
pSchema->bytes = pColInfo->col.bytes;
pFillInfo->pTags[k].tagVal = calloc(1, pColInfo->col.bytes);
pColInfo->tagIndex = k;
k += 1;
} else {
pColInfo->tagIndex = index;
}
}
rowsize += pColInfo->col.bytes;
}
assert(k <= pFillInfo->numOfTags);
return rowsize;
}
static int32_t taosNumOfRemainRows(SFillInfo* pFillInfo) {
if (pFillInfo->numOfRows == 0 || (pFillInfo->numOfRows > 0 && pFillInfo->index >= pFillInfo->numOfRows)) {
return 0;
}
return pFillInfo->numOfRows - pFillInfo->index;
}
SFillInfo* taosInitFillInfo(int32_t order, TSKEY skey, int32_t numOfTags, int32_t capacity, int32_t numOfCols,
int64_t slidingTime, int8_t slidingUnit, int8_t precision, int32_t fillType,
SFillColInfo* pCol, void* handle) {
if (fillType == TSDB_FILL_NONE) {
return NULL;
}
SFillInfo* pFillInfo = calloc(1, sizeof(SFillInfo));
taosResetFillInfo(pFillInfo, skey);
pFillInfo->order = order;
pFillInfo->type = fillType;
pFillInfo->pFillCol = pCol;
pFillInfo->numOfTags = numOfTags;
pFillInfo->numOfCols = numOfCols;
pFillInfo->precision = precision;
pFillInfo->alloc = capacity;
pFillInfo->handle = handle;
pFillInfo->interval.interval = slidingTime;
pFillInfo->interval.intervalUnit = slidingUnit;
pFillInfo->interval.sliding = slidingTime;
pFillInfo->interval.slidingUnit = slidingUnit;
pFillInfo->pData = malloc(POINTER_BYTES * numOfCols);
if (numOfTags > 0) {
pFillInfo->pTags = calloc(pFillInfo->numOfTags, sizeof(SFillTagColInfo));
for (int32_t i = 0; i < numOfTags; ++i) {
pFillInfo->pTags[i].col.colId = -2; // TODO
}
}
pFillInfo->rowSize = setTagColumnInfo(pFillInfo, pFillInfo->numOfCols, pFillInfo->alloc);
assert(pFillInfo->rowSize > 0);
return pFillInfo;
}
void taosResetFillInfo(SFillInfo* pFillInfo, TSKEY startTimestamp) {
pFillInfo->start = startTimestamp;
pFillInfo->currentKey = startTimestamp;
pFillInfo->index = -1;
pFillInfo->numOfRows = 0;
pFillInfo->numOfCurrent = 0;
pFillInfo->numOfTotal = 0;
}
void* taosDestroyFillInfo(SFillInfo* pFillInfo) {
if (pFillInfo == NULL) {
return NULL;
}
tfree(pFillInfo->prevValues);
tfree(pFillInfo->nextValues);
tfree(pFillInfo->pTags);
for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
tfree(pFillInfo->pData[i]);
}
tfree(pFillInfo->pData);
tfree(pFillInfo->pFillCol);
tfree(pFillInfo);
return NULL;
}
void taosFillSetStartInfo(SFillInfo* pFillInfo, int32_t numOfRows, TSKEY endKey) {
if (pFillInfo->type == TSDB_FILL_NONE) {
return;
}
pFillInfo->end = endKey;
if (!FILL_IS_ASC_FILL(pFillInfo)) {
pFillInfo->end = taosTimeTruncate(endKey, &pFillInfo->interval, pFillInfo->precision);
}
pFillInfo->index = 0;
pFillInfo->numOfRows = numOfRows;
// ensure the space
if (pFillInfo->alloc < numOfRows) {
for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
char* tmp = realloc(pFillInfo->pData[i], numOfRows*pFillInfo->pFillCol[i].col.bytes);
assert(tmp != NULL); // todo handle error
memset(tmp, 0, numOfRows*pFillInfo->pFillCol[i].col.bytes);
pFillInfo->pData[i] = tmp;
}
}
}
// copy the data into source data buffer
void taosFillCopyInputDataFromFilePage(SFillInfo* pFillInfo, const tFilePage** pInput) {
for (int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
memcpy(pFillInfo->pData[i], pInput[i]->data, pFillInfo->numOfRows * pFillInfo->pFillCol[i].col.bytes);
}
}
void taosFillCopyInputDataFromOneFilePage(SFillInfo* pFillInfo, const tFilePage* pInput) {
assert(pFillInfo->numOfRows == pInput->num);
for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
SFillColInfo* pCol = &pFillInfo->pFillCol[i];
const char* data = pInput->data + pCol->col.offset * pInput->num;
memcpy(pFillInfo->pData[i], data, (size_t)(pInput->num * pCol->col.bytes));
if (TSDB_COL_IS_TAG(pCol->flag)) { // copy the tag value to tag value buffer
SFillTagColInfo* pTag = &pFillInfo->pTags[pCol->tagIndex];
assert (pTag->col.colId == pCol->col.colId);
memcpy(pTag->tagVal, data, pCol->col.bytes);
}
}
}
bool taosFillHasMoreResults(SFillInfo* pFillInfo) {
return taosNumOfRemainRows(pFillInfo) > 0;
}
int64_t getNumOfResultsAfterFillGap(SFillInfo* pFillInfo, TSKEY ekey, int32_t maxNumOfRows) {
int64_t* tsList = (int64_t*) pFillInfo->pData[0];
int32_t numOfRows = taosNumOfRemainRows(pFillInfo);
TSKEY ekey1 = ekey;
if (!FILL_IS_ASC_FILL(pFillInfo)) {
pFillInfo->end = taosTimeTruncate(ekey, &pFillInfo->interval, pFillInfo->precision);
}
int64_t numOfRes = -1;
if (numOfRows > 0) { // still fill gap within current data block, not generating data after the result set.
TSKEY lastKey = tsList[pFillInfo->numOfRows - 1];
numOfRes = taosTimeCountInterval(
lastKey,
pFillInfo->currentKey,
pFillInfo->interval.sliding,
pFillInfo->interval.slidingUnit,
pFillInfo->precision);
numOfRes += 1;
assert(numOfRes >= numOfRows);
} else { // reach the end of data
if ((ekey1 < pFillInfo->currentKey && FILL_IS_ASC_FILL(pFillInfo)) ||
(ekey1 > pFillInfo->currentKey && !FILL_IS_ASC_FILL(pFillInfo))) {
return 0;
}
numOfRes = taosTimeCountInterval(
ekey1,
pFillInfo->currentKey,
pFillInfo->interval.sliding,
pFillInfo->interval.slidingUnit,
pFillInfo->precision);
numOfRes += 1;
}
return (numOfRes > maxNumOfRows) ? maxNumOfRows : numOfRes;
}
int32_t taosGetLinearInterpolationVal(int32_t type, SPoint* point1, SPoint* point2, SPoint* point) {
double v1 = -1;
double v2 = -1;
GET_TYPED_DATA(v1, double, type, point1->val);
GET_TYPED_DATA(v2, double, type, point2->val);
double r = DO_INTERPOLATION(v1, v2, point1->key, point2->key, point->key);
switch(type) {
case TSDB_DATA_TYPE_TINYINT: *(int8_t*) point->val = (int8_t) r;break;
case TSDB_DATA_TYPE_SMALLINT: *(int16_t*) point->val = (int16_t) r;break;
case TSDB_DATA_TYPE_INT: *(int32_t*) point->val = (int32_t) r;break;
case TSDB_DATA_TYPE_BIGINT: *(int64_t*) point->val = (int64_t) r;break;
case TSDB_DATA_TYPE_DOUBLE: *(double*) point->val = (double) r;break;
case TSDB_DATA_TYPE_FLOAT: *(float*) point->val = (float) r;break;
default:
assert(0);
}
return TSDB_CODE_SUCCESS;
}
int64_t taosFillResultDataBlock(SFillInfo* pFillInfo, tFilePage** output, int32_t capacity) {
int32_t remain = taosNumOfRemainRows(pFillInfo);
int64_t numOfRes = getNumOfResWithFill(pFillInfo, pFillInfo->end, capacity);
int64_t numOfRes = getNumOfResultsAfterFillGap(pFillInfo, pFillInfo->end, capacity);
assert(numOfRes <= capacity);
// no data existed for fill operation now, append result according to the fill strategy
if (remain == 0) {
fillExternalResults(pFillInfo, output, numOfRes);
appendFilledResult(pFillInfo, output, numOfRes);
} else {
fillResultImpl(pFillInfo, output, (int32_t) numOfRes);
assert(numOfRes == pFillInfo->numOfCurrent);
......
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