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TDengine
提交 17d698c1 编写于 作者: A AlexDuan
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src/query/inc/tdigest.h 0 → 100644
浏览文件 @ 17d698c1
/*
* include/tdigest.c
*
* Copyright (c) 2016, Usman Masood <usmanm at fastmail dot fm>
*/
#ifndef TDIGEST_H
#define TDIGEST_H
#define DEFAULT_COMPRESSION 400
typedef struct Centroid {
long long weight;
double mean;
}Centroid;
typedef struct Point {
double value;
long long weight;
struct Point *next;
}Point;
typedef struct TDigest {
double compression;
int threshold;
long long size;
long long total_weight;
double min;
double max;
int num_buffered_pts;
Point *buffered_pts;
int num_centroids;
Centroid *centroids;
}TDigest;
extern struct TDigest *tdigestNew(int compression);
extern void tdigestAdd(struct TDigest *t, double x, long long w);
extern void tdigestMerge(struct TDigest *t1, struct TDigest *t2);
extern double tdigestCDF(struct TDigest *t, double x);
extern double tdigestQuantile(struct TDigest *t, double q);
extern void tdigestCompress(struct TDigest *t);
extern void tdigestFree(struct TDigest *t);
#endif /* TDIGEST_H */
src/query/src/qAggMain.c
浏览文件 @ 17d698c1
......@@ -16,23 +16,24 @@
#include "os.h"
#include "taosdef.h"
#include "taosmsg.h"
#include "tdigest.h"
#include "texpr.h"
#include "ttype.h"
#include "tsdb.h"
#include "tglobal.h"
#include "tsdb.h"
#include "ttype.h"
#include "qAggMain.h"
#include "qFill.h"
#include "qHistogram.h"
#include "qPercentile.h"
#include "qTsbuf.h"
#include "queryLog.h"
#include "qUdf.h"
#include "queryLog.h"
#define GET_INPUT_DATA_LIST(x) ((char *)((x)->pInput))
#define GET_INPUT_DATA(x, y) (GET_INPUT_DATA_LIST(x) + (y) * (x)->inputBytes)
#define GET_TS_LIST(x) ((TSKEY*)((x)->ptsList))
#define GET_TS_LIST(x) ((TSKEY *)((x)->ptsList))
#define GET_TS_DATA(x, y) (GET_TS_LIST(x)[(y)])
#define GET_TRUE_DATA_TYPE() \
......@@ -145,6 +146,7 @@ typedef struct SLeastsquaresInfo {
typedef struct SAPercentileInfo {
SHistogramInfo *pHisto;
TDigest* pTDigest;
} SAPercentileInfo;
typedef struct STSCompInfo {
......@@ -164,19 +166,19 @@ typedef struct SRateInfo {
typedef struct SDerivInfo {
double prevValue; // previous value
TSKEY prevTs; // previous timestamp
bool ignoreNegative;// ignore the negative value
bool ignoreNegative; // ignore the negative value
int64_t tsWindow; // time window for derivative
bool valueSet; // the value has been set already
} SDerivInfo;
int32_t getResultDataInfo(int32_t dataType, int32_t dataBytes, int32_t functionId, int32_t param, int16_t *type,
int16_t *bytes, int32_t *interBytes, int16_t extLength, bool isSuperTable, SUdfInfo* pUdfInfo) {
int16_t *bytes, int32_t *interBytes, int16_t extLength, bool isSuperTable,
SUdfInfo *pUdfInfo) {
if (!isValidDataType(dataType)) {
qError("Illegal data type %d or data type length %d", dataType, dataBytes);
return TSDB_CODE_TSC_INVALID_OPERATION;
}
if (functionId == TSDB_FUNC_TS || functionId == TSDB_FUNC_TS_DUMMY || functionId == TSDB_FUNC_TAG_DUMMY ||
functionId == TSDB_FUNC_DIFF || functionId == TSDB_FUNC_PRJ || functionId == TSDB_FUNC_TAGPRJ ||
functionId == TSDB_FUNC_TAG || functionId == TSDB_FUNC_INTERP) {
......@@ -195,7 +197,8 @@ int32_t getResultDataInfo(int32_t dataType, int32_t dataBytes, int32_t functionI
// (uid, tid) + VGID + TAGSIZE + VARSTR_HEADER_SIZE
if (functionId == TSDB_FUNC_TID_TAG) { // todo use struct
*type = TSDB_DATA_TYPE_BINARY;
*bytes = (int16_t)(dataBytes + sizeof(int16_t) + sizeof(int64_t) + sizeof(int32_t) + sizeof(int32_t) + VARSTR_HEADER_SIZE);
*bytes = (int16_t)(dataBytes + sizeof(int16_t) + sizeof(int64_t) + sizeof(int32_t) + sizeof(int32_t) +
VARSTR_HEADER_SIZE);
*interBytes = 0;
return TSDB_CODE_SUCCESS;
}
......@@ -320,8 +323,7 @@ int32_t getResultDataInfo(int32_t dataType, int32_t dataBytes, int32_t functionI
} else if (functionId == TSDB_FUNC_APERCT) {
*type = TSDB_DATA_TYPE_DOUBLE;
*bytes = sizeof(double);
*interBytes =
sizeof(SAPercentileInfo) + sizeof(SHistogramInfo) + sizeof(SHistBin) * (MAX_HISTOGRAM_BIN + 1);
*interBytes = sizeof(SAPercentileInfo) + sizeof(SHistogramInfo) + sizeof(SHistBin) * (MAX_HISTOGRAM_BIN + 1);
return TSDB_CODE_SUCCESS;
} else if (functionId == TSDB_FUNC_TWA) {
*type = TSDB_DATA_TYPE_DOUBLE;
......@@ -404,9 +406,9 @@ int32_t getResultDataInfo(int32_t dataType, int32_t dataBytes, int32_t functionI
}
// TODO use hash table
int32_t isValidFunction(const char* name, int32_t len) {
for(int32_t i = 0; i <= TSDB_FUNC_BLKINFO; ++i) {
int32_t nameLen = (int32_t) strlen(aAggs[i].name);
int32_t isValidFunction(const char *name, int32_t len) {
for (int32_t i = 0; i <= TSDB_FUNC_BLKINFO; ++i) {
int32_t nameLen = (int32_t)strlen(aAggs[i].name);
if (len != nameLen) {
continue;
}
......@@ -419,7 +421,7 @@ int32_t isValidFunction(const char* name, int32_t len) {
return -1;
}
static bool function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo) {
static bool function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResultInfo) {
if (pResultInfo->initialized) {
return false;
}
......@@ -470,7 +472,8 @@ static void count_function(SQLFunctionCtx *pCtx) {
numOfElem += 1;
}
} else {
//when counting on the primary time stamp column and no statistics data is presented, use the size value directly.
// when counting on the primary time stamp column and no statistics data is presented, use the size value
// directly.
numOfElem = pCtx->size;
}
}
......@@ -501,7 +504,7 @@ static void count_func_merge(SQLFunctionCtx *pCtx) {
* @param filterCols
* @return
*/
int32_t countRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
int32_t countRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) {
if (colId == PRIMARYKEY_TIMESTAMP_COL_INDEX) {
return BLK_DATA_NO_NEEDED;
} else {
......@@ -509,9 +512,7 @@ int32_t countRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
}
}
int32_t noDataRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
return BLK_DATA_NO_NEEDED;
}
int32_t noDataRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) { return BLK_DATA_NO_NEEDED; }
#define LIST_ADD_N_DOUBLE_FLOAT(x, ctx, p, t, numOfElem, tsdbType) \
do { \
t *d = (t *)(p); \
......@@ -519,10 +520,10 @@ int32_t noDataRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
if (((ctx)->hasNull) && isNull((char *)&(d)[i], tsdbType)) { \
continue; \
}; \
SET_DOUBLE_VAL(&(x) , GET_DOUBLE_VAL(&(x)) + GET_FLOAT_VAL(&(d)[i])); \
SET_DOUBLE_VAL(&(x), GET_DOUBLE_VAL(&(x)) + GET_FLOAT_VAL(&(d)[i])); \
(numOfElem)++; \
} \
} while(0)
} while (0)
#define LIST_ADD_N_DOUBLE(x, ctx, p, t, numOfElem, tsdbType) \
do { \
t *d = (t *)(p); \
......@@ -530,10 +531,10 @@ int32_t noDataRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
if (((ctx)->hasNull) && isNull((char *)&(d)[i], tsdbType)) { \
continue; \
}; \
SET_DOUBLE_VAL(&(x) , (x) + (d)[i]); \
SET_DOUBLE_VAL(&(x), (x) + (d)[i]); \
(numOfElem)++; \
} \
} while(0)
} while (0)
#define LIST_ADD_N(x, ctx, p, t, numOfElem, tsdbType) \
do { \
......@@ -545,7 +546,7 @@ int32_t noDataRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
(x) += (d)[i]; \
(numOfElem)++; \
} \
} while(0)
} while (0)
#define UPDATE_DATA(ctx, left, right, num, sign, k) \
do { \
......@@ -570,7 +571,7 @@ int32_t noDataRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
if ((ctx)->hasNull && isNull((char *)&(list)[i], tsdbType)) { \
continue; \
} \
TSKEY key = (ctx)->ptsList != NULL? GET_TS_DATA(ctx, i):0; \
TSKEY key = (ctx)->ptsList != NULL ? GET_TS_DATA(ctx, i) : 0; \
UPDATE_DATA(ctx, val, (list)[i], num, sign, key); \
}
......@@ -596,8 +597,8 @@ static void do_sum(SQLFunctionCtx *pCtx) {
uint64_t *retVal = (uint64_t *)pCtx->pOutput;
*retVal += (uint64_t)pCtx->preAggVals.statis.sum;
} else if (IS_FLOAT_TYPE(pCtx->inputType)) {
double *retVal = (double*) pCtx->pOutput;
SET_DOUBLE_VAL(retVal, *retVal + GET_DOUBLE_VAL((const char*)&(pCtx->preAggVals.statis.sum)));
double *retVal = (double *)pCtx->pOutput;
SET_DOUBLE_VAL(retVal, *retVal + GET_DOUBLE_VAL((const char *)&(pCtx->preAggVals.statis.sum)));
}
} else { // computing based on the true data block
void *pData = GET_INPUT_DATA_LIST(pCtx);
......@@ -674,7 +675,7 @@ static void sum_func_merge(SQLFunctionCtx *pCtx) {
if (IS_SIGNED_NUMERIC_TYPE(type)) {
*(int64_t *)pCtx->pOutput += pInput->isum;
} else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
*(uint64_t *) pCtx->pOutput += pInput->usum;
*(uint64_t *)pCtx->pOutput += pInput->usum;
} else {
SET_DOUBLE_VAL((double *)pCtx->pOutput, *(double *)pCtx->pOutput + pInput->dsum);
}
......@@ -688,16 +689,12 @@ static void sum_func_merge(SQLFunctionCtx *pCtx) {
}
}
static int32_t statisRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
return BLK_DATA_STATIS_NEEDED;
}
static int32_t statisRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) { return BLK_DATA_STATIS_NEEDED; }
static int32_t dataBlockRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
return BLK_DATA_ALL_NEEDED;
}
static int32_t dataBlockRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) { return BLK_DATA_ALL_NEEDED; }
// todo: if column in current data block are null, opt for this case
static int32_t firstFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
static int32_t firstFuncRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) {
if (pCtx->order == TSDB_ORDER_DESC) {
return BLK_DATA_NO_NEEDED;
}
......@@ -710,7 +707,7 @@ static int32_t firstFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t c
}
}
static int32_t lastFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
static int32_t lastFuncRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) {
if (pCtx->order != pCtx->param[0].i64) {
return BLK_DATA_NO_NEEDED;
}
......@@ -722,7 +719,7 @@ static int32_t lastFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t co
}
}
static int32_t firstDistFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
static int32_t firstDistFuncRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) {
if (pCtx->order == TSDB_ORDER_DESC) {
return BLK_DATA_NO_NEEDED;
}
......@@ -734,7 +731,7 @@ static int32_t firstDistFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32
// the pCtx should be set to current Ctx and output buffer before call this function. Otherwise, pCtx->pOutput is
// the previous windowRes output buffer, not current unloaded block. In this case, the following filter is invalid
SFirstLastInfo *pInfo = (SFirstLastInfo*) (pCtx->pOutput + pCtx->inputBytes);
SFirstLastInfo *pInfo = (SFirstLastInfo *)(pCtx->pOutput + pCtx->inputBytes);
if (pInfo->hasResult != DATA_SET_FLAG) {
return BLK_DATA_ALL_NEEDED;
} else { // data in current block is not earlier than current result
......@@ -742,7 +739,7 @@ static int32_t firstDistFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32
}
}
static int32_t lastDistFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
static int32_t lastDistFuncRequired(SQLFunctionCtx *pCtx, STimeWindow *w, int32_t colId) {
if (pCtx->order != pCtx->param[0].i64) {
return BLK_DATA_NO_NEEDED;
}
......@@ -754,7 +751,7 @@ static int32_t lastDistFuncRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_
// the pCtx should be set to current Ctx and output buffer before call this function. Otherwise, pCtx->pOutput is
// the previous windowRes output buffer, not current unloaded block. In this case, the following filter is invalid
SFirstLastInfo *pInfo = (SFirstLastInfo*) (pCtx->pOutput + pCtx->inputBytes);
SFirstLastInfo *pInfo = (SFirstLastInfo *)(pCtx->pOutput + pCtx->inputBytes);
if (pInfo->hasResult != DATA_SET_FLAG) {
return BLK_DATA_ALL_NEEDED;
} else {
......@@ -775,7 +772,7 @@ static void avg_function(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SAvgInfo *pAvgInfo = (SAvgInfo *)GET_ROWCELL_INTERBUF(pResInfo);
double *pVal = &pAvgInfo->sum;
double * pVal = &pAvgInfo->sum;
if (pCtx->preAggVals.isSet) { // Pre-aggregation
notNullElems = pCtx->size - pCtx->preAggVals.statis.numOfNull;
......@@ -784,7 +781,7 @@ static void avg_function(SQLFunctionCtx *pCtx) {
if (IS_SIGNED_NUMERIC_TYPE(pCtx->inputType)) {
*pVal += pCtx->preAggVals.statis.sum;
} else if (IS_UNSIGNED_NUMERIC_TYPE(pCtx->inputType)) {
*pVal += (uint64_t) pCtx->preAggVals.statis.sum;
*pVal += (uint64_t)pCtx->preAggVals.statis.sum;
} else if (pCtx->inputType == TSDB_DATA_TYPE_DOUBLE || pCtx->inputType == TSDB_DATA_TYPE_FLOAT) {
*pVal += GET_DOUBLE_VAL((const char *)&(pCtx->preAggVals.statis.sum));
}
......@@ -834,8 +831,8 @@ static void avg_function(SQLFunctionCtx *pCtx) {
static void avg_func_merge(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
double *sum = (double*) pCtx->pOutput;
char *input = GET_INPUT_DATA_LIST(pCtx);
double *sum = (double *)pCtx->pOutput;
char * input = GET_INPUT_DATA_LIST(pCtx);
for (int32_t i = 0; i < pCtx->size; ++i, input += pCtx->inputBytes) {
SAvgInfo *pInput = (SAvgInfo *)input;
......@@ -864,7 +861,7 @@ static void avg_finalizer(SQLFunctionCtx *pCtx) {
return;
}
SET_DOUBLE_VAL((double *)pCtx->pOutput,(*(double *)pCtx->pOutput) / *(int64_t *)GET_ROWCELL_INTERBUF(pResInfo));
SET_DOUBLE_VAL((double *)pCtx->pOutput, (*(double *)pCtx->pOutput) / *(int64_t *)GET_ROWCELL_INTERBUF(pResInfo));
} else { // this is the secondary merge, only in the secondary merge, the input type is TSDB_DATA_TYPE_BINARY
assert(IS_NUMERIC_TYPE(pCtx->inputType));
SAvgInfo *pAvgInfo = (SAvgInfo *)GET_ROWCELL_INTERBUF(pResInfo);
......@@ -894,7 +891,7 @@ static void minMax_function(SQLFunctionCtx *pCtx, char *pOutput, int32_t isMin,
return;
}
void* tval = NULL;
void * tval = NULL;
int16_t index = 0;
if (isMin) {
......@@ -913,9 +910,9 @@ static void minMax_function(SQLFunctionCtx *pCtx, char *pOutput, int32_t isMin,
*
* The following codes of 3 lines will be removed later.
*/
// if (index < 0 || index >= pCtx->size + pCtx->startOffset) {
// index = 0;
// }
// if (index < 0 || index >= pCtx->size + pCtx->startOffset) {
// index = 0;
// }
// the index is the original position, not the relative position
key = pCtx->ptsList[index];
......@@ -984,7 +981,7 @@ static void minMax_function(SQLFunctionCtx *pCtx, char *pOutput, int32_t isMin,
return;
}
void *p = GET_INPUT_DATA_LIST(pCtx);
void * p = GET_INPUT_DATA_LIST(pCtx);
TSKEY *tsList = GET_TS_LIST(pCtx);
*notNullElems = 0;
......@@ -996,10 +993,10 @@ static void minMax_function(SQLFunctionCtx *pCtx, char *pOutput, int32_t isMin,
TYPED_LOOPCHECK_N(int16_t, pOutput, p, pCtx, pCtx->inputType, isMin, *notNullElems);
} else if (pCtx->inputType == TSDB_DATA_TYPE_INT) {
int32_t *pData = p;
int32_t *retVal = (int32_t*) pOutput;
int32_t *retVal = (int32_t *)pOutput;
for (int32_t i = 0; i < pCtx->size; ++i) {
if (pCtx->hasNull && isNull((const char*)&pData[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&pData[i], pCtx->inputType)) {
continue;
}
......@@ -1035,7 +1032,7 @@ static void minMax_function(SQLFunctionCtx *pCtx, char *pOutput, int32_t isMin,
}
}
static bool min_func_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo) {
static bool min_func_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResultInfo) {
if (!function_setup(pCtx, pResultInfo)) {
return false; // not initialized since it has been initialized
}
......@@ -1047,7 +1044,7 @@ static bool min_func_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo
*((int8_t *)pCtx->pOutput) = INT8_MAX;
break;
case TSDB_DATA_TYPE_UTINYINT:
*(uint8_t *) pCtx->pOutput = UINT8_MAX;
*(uint8_t *)pCtx->pOutput = UINT8_MAX;
break;
case TSDB_DATA_TYPE_SMALLINT:
*((int16_t *)pCtx->pOutput) = INT16_MAX;
......@@ -1080,7 +1077,7 @@ static bool min_func_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo
return true;
}
static bool max_func_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo) {
static bool max_func_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResultInfo) {
if (!function_setup(pCtx, pResultInfo)) {
return false; // not initialized since it has been initialized
}
......@@ -1280,7 +1277,7 @@ static void max_func_merge(SQLFunctionCtx *pCtx) {
static void stddev_function(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SStddevInfo *pStd = GET_ROWCELL_INTERBUF(pResInfo);
SStddevInfo * pStd = GET_ROWCELL_INTERBUF(pResInfo);
if (pCtx->currentStage == REPEAT_SCAN && pStd->stage == 0) {
pStd->stage++;
......@@ -1304,13 +1301,13 @@ static void stddev_function(SQLFunctionCtx *pCtx) {
double *retVal = &pStd->res;
double avg = pStd->avg;
void *pData = GET_INPUT_DATA_LIST(pCtx);
void * pData = GET_INPUT_DATA_LIST(pCtx);
int32_t num = 0;
switch (pCtx->inputType) {
case TSDB_DATA_TYPE_INT: {
for (int32_t i = 0; i < pCtx->size; ++i) {
if (pCtx->hasNull && isNull((const char*) (&((int32_t *)pData)[i]), pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)(&((int32_t *)pData)[i]), pCtx->inputType)) {
continue;
}
num += 1;
......@@ -1377,14 +1374,14 @@ static void stddev_finalizer(SQLFunctionCtx *pCtx) {
}
//////////////////////////////////////////////////////////////////////////////////////
int32_t tsCompare(const void* p1, const void* p2) {
TSKEY k = *(TSKEY*)p1;
SResPair* pair = (SResPair*)p2;
int32_t tsCompare(const void *p1, const void *p2) {
TSKEY k = *(TSKEY *)p1;
SResPair *pair = (SResPair *)p2;
if (k == pair->key) {
return 0;
} else {
return k < pair->key? -1:1;
return k < pair->key ? -1 : 1;
}
}
......@@ -1395,21 +1392,21 @@ static void stddev_dst_function(SQLFunctionCtx *pCtx) {
double *retVal = &pStd->res;
// all data are null, no need to proceed
SArray* resList = (SArray*) pCtx->param[0].pz;
SArray *resList = (SArray *)pCtx->param[0].pz;
if (resList == NULL) {
return;
}
// find the correct group average results according to the tag value
int32_t len = (int32_t) taosArrayGetSize(resList);
int32_t len = (int32_t)taosArrayGetSize(resList);
assert(len > 0);
double avg = 0;
if (len == 1) {
SResPair* p = taosArrayGet(resList, 0);
SResPair *p = taosArrayGet(resList, 0);
avg = p->avg;
} else { // todo opt performance by using iterator since the timestamp lsit is matched with the output result
SResPair* p = bsearch(&pCtx->startTs, resList->pData, len, sizeof(SResPair), tsCompare);
SResPair *p = bsearch(&pCtx->startTs, resList->pData, len, sizeof(SResPair), tsCompare);
if (p == NULL) {
return;
}
......@@ -1417,13 +1414,13 @@ static void stddev_dst_function(SQLFunctionCtx *pCtx) {
avg = p->avg;
}
void *pData = GET_INPUT_DATA_LIST(pCtx);
void * pData = GET_INPUT_DATA_LIST(pCtx);
int32_t num = 0;
switch (pCtx->inputType) {
case TSDB_DATA_TYPE_INT: {
for (int32_t i = 0; i < pCtx->size; ++i) {
if (pCtx->hasNull && isNull((const char*) (&((int32_t *)pData)[i]), pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)(&((int32_t *)pData)[i]), pCtx->inputType)) {
continue;
}
num += 1;
......@@ -1480,7 +1477,7 @@ static void stddev_dst_function(SQLFunctionCtx *pCtx) {
static void stddev_dst_merge(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SStddevdstInfo* pRes = GET_ROWCELL_INTERBUF(pResInfo);
SStddevdstInfo * pRes = GET_ROWCELL_INTERBUF(pResInfo);
char *input = GET_INPUT_DATA_LIST(pCtx);
......@@ -1510,7 +1507,7 @@ static void stddev_dst_finalizer(SQLFunctionCtx *pCtx) {
}
//////////////////////////////////////////////////////////////////////////////////////
static bool first_last_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool first_last_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false;
}
......@@ -1578,7 +1575,7 @@ static void first_dist_function(SQLFunctionCtx *pCtx) {
* 1. data block that are not loaded
* 2. scan data files in desc order
*/
if (pCtx->order == TSDB_ORDER_DESC/* || pCtx->preAggVals.dataBlockLoaded == false*/) {
if (pCtx->order == TSDB_ORDER_DESC /* || pCtx->preAggVals.dataBlockLoaded == false*/) {
return;
}
......@@ -1607,7 +1604,7 @@ static void first_dist_func_merge(SQLFunctionCtx *pCtx) {
assert(pCtx->stableQuery);
char * pData = GET_INPUT_DATA_LIST(pCtx);
SFirstLastInfo *pInput = (SFirstLastInfo*) (pData + pCtx->outputBytes);
SFirstLastInfo *pInput = (SFirstLastInfo *)(pData + pCtx->outputBytes);
if (pInput->hasResult != DATA_SET_FLAG) {
return;
}
......@@ -1638,11 +1635,10 @@ static void last_function(SQLFunctionCtx *pCtx) {
return;
}
SResultRowCellInfo* pResInfo = GET_RES_INFO(pCtx);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
int32_t notNullElems = 0;
if (pCtx->order == TSDB_ORDER_DESC) {
for (int32_t i = pCtx->size - 1; i >= 0; --i) {
char *data = GET_INPUT_DATA(pCtx, i);
if (pCtx->hasNull && isNull(data, pCtx->inputType) && (!pCtx->requireNull)) {
......@@ -1668,12 +1664,12 @@ static void last_function(SQLFunctionCtx *pCtx) {
TSKEY ts = pCtx->ptsList ? GET_TS_DATA(pCtx, i) : 0;
char* buf = GET_ROWCELL_INTERBUF(pResInfo);
if (pResInfo->hasResult != DATA_SET_FLAG || (*(TSKEY*)buf) < ts) {
char *buf = GET_ROWCELL_INTERBUF(pResInfo);
if (pResInfo->hasResult != DATA_SET_FLAG || (*(TSKEY *)buf) < ts) {
pResInfo->hasResult = DATA_SET_FLAG;
memcpy(pCtx->pOutput, data, pCtx->inputBytes);
*(TSKEY*)buf = ts;
*(TSKEY *)buf = ts;
DO_UPDATE_TAG_COLUMNS(pCtx, ts);
}
......@@ -1741,7 +1737,7 @@ static void last_dist_function(SQLFunctionCtx *pCtx) {
static void last_dist_func_merge(SQLFunctionCtx *pCtx) {
char *pData = GET_INPUT_DATA_LIST(pCtx);
SFirstLastInfo *pInput = (SFirstLastInfo*) (pData + pCtx->outputBytes);
SFirstLastInfo *pInput = (SFirstLastInfo *)(pData + pCtx->outputBytes);
if (pInput->hasResult != DATA_SET_FLAG) {
return;
}
......@@ -1815,7 +1811,7 @@ static void valuePairAssign(tValuePair *dst, int16_t type, const char *val, int6
memcpy(dst->pTags, pTags, (size_t)pTagInfo->tagsLen);
} else { // the tags are dumped from the ctx tag fields
for (int32_t i = 0; i < pTagInfo->numOfTagCols; ++i) {
SQLFunctionCtx* ctx = pTagInfo->pTagCtxList[i];
SQLFunctionCtx *ctx = pTagInfo->pTagCtxList[i];
if (ctx->functionId == TSDB_FUNC_TS_DUMMY) {
ctx->tag.nType = TSDB_DATA_TYPE_BIGINT;
ctx->tag.i64 = tsKey;
......@@ -1834,11 +1830,10 @@ static void valuePairAssign(tValuePair *dst, int16_t type, const char *val, int6
memcpy((dst)->pTags, (src)->pTags, (size_t)(__l)); \
} while (0)
static int32_t topBotComparFn(const void *p1, const void *p2, const void *param)
{
uint16_t type = *(uint16_t *) param;
tValuePair *val1 = *(tValuePair **) p1;
tValuePair *val2 = *(tValuePair **) p2;
static int32_t topBotComparFn(const void *p1, const void *p2, const void *param) {
uint16_t type = *(uint16_t *)param;
tValuePair *val1 = *(tValuePair **)p1;
tValuePair *val2 = *(tValuePair **)p2;
if (IS_SIGNED_NUMERIC_TYPE(type)) {
if (val1->v.i64 == val2->v.i64) {
......@@ -1861,13 +1856,12 @@ static int32_t topBotComparFn(const void *p1, const void *p2, const void *param)
return (val1->v.dKey > val2->v.dKey) ? 1 : -1;
}
static void topBotSwapFn(void *dst, void *src, const void *param)
{
static void topBotSwapFn(void *dst, void *src, const void *param) {
char tag[32768];
tValuePair temp;
uint16_t tagLen = *(uint16_t *) param;
tValuePair *vdst = *(tValuePair **) dst;
tValuePair *vsrc = *(tValuePair **) src;
uint16_t tagLen = *(uint16_t *)param;
tValuePair *vdst = *(tValuePair **)dst;
tValuePair *vsrc = *(tValuePair **)src;
memset(tag, 0, sizeof(tag));
temp.pTags = tag;
......@@ -1888,7 +1882,8 @@ static void do_top_function_add(STopBotInfo *pInfo, int32_t maxLen, void *pData,
if (pInfo->num < maxLen) {
valuePairAssign(pList[pInfo->num], type, (const char *)&val.i64, ts, pTags, pTagInfo, stage);
taosheapsort((void *) pList, sizeof(tValuePair **), pInfo->num + 1, (const void *) &type, topBotComparFn, (const void *) &pTagInfo->tagsLen, topBotSwapFn, 0);
taosheapsort((void *)pList, sizeof(tValuePair **), pInfo->num + 1, (const void *)&type, topBotComparFn,
(const void *)&pTagInfo->tagsLen, topBotSwapFn, 0);
pInfo->num++;
} else {
......@@ -1896,7 +1891,8 @@ static void do_top_function_add(STopBotInfo *pInfo, int32_t maxLen, void *pData,
(IS_UNSIGNED_NUMERIC_TYPE(type) && val.u64 > pList[0]->v.u64) ||
(IS_FLOAT_TYPE(type) && val.dKey > pList[0]->v.dKey)) {
valuePairAssign(pList[0], type, (const char *)&val.i64, ts, pTags, pTagInfo, stage);
taosheapadjust((void *) pList, sizeof(tValuePair **), 0, maxLen - 1, (const void *) &type, topBotComparFn, (const void *) &pTagInfo->tagsLen, topBotSwapFn, 0);
taosheapadjust((void *)pList, sizeof(tValuePair **), 0, maxLen - 1, (const void *)&type, topBotComparFn,
(const void *)&pTagInfo->tagsLen, topBotSwapFn, 0);
}
}
}
......@@ -1912,7 +1908,8 @@ static void do_bottom_function_add(STopBotInfo *pInfo, int32_t maxLen, void *pDa
if (pInfo->num < maxLen) {
valuePairAssign(pList[pInfo->num], type, (const char *)&val.i64, ts, pTags, pTagInfo, stage);
taosheapsort((void *) pList, sizeof(tValuePair **), pInfo->num + 1, (const void *) &type, topBotComparFn, (const void *) &pTagInfo->tagsLen, topBotSwapFn, 1);
taosheapsort((void *)pList, sizeof(tValuePair **), pInfo->num + 1, (const void *)&type, topBotComparFn,
(const void *)&pTagInfo->tagsLen, topBotSwapFn, 1);
pInfo->num++;
} else {
......@@ -1920,7 +1917,8 @@ static void do_bottom_function_add(STopBotInfo *pInfo, int32_t maxLen, void *pDa
(IS_UNSIGNED_NUMERIC_TYPE(type) && val.u64 < pList[0]->v.u64) ||
(IS_FLOAT_TYPE(type) && val.dKey < pList[0]->v.dKey)) {
valuePairAssign(pList[0], type, (const char *)&val.i64, ts, pTags, pTagInfo, stage);
taosheapadjust((void *) pList, sizeof(tValuePair **), 0, maxLen - 1, (const void *) &type, topBotComparFn, (const void *) &pTagInfo->tagsLen, topBotSwapFn, 1);
taosheapadjust((void *)pList, sizeof(tValuePair **), 0, maxLen - 1, (const void *)&type, topBotComparFn,
(const void *)&pTagInfo->tagsLen, topBotSwapFn, 1);
}
}
}
......@@ -1948,7 +1946,7 @@ static int32_t resDataAscComparFn(const void *pLeft, const void *pRight) {
} else {
return pLeftElem->v.dKey > pRightElem->v.dKey ? 1 : -1;
}
} else if (IS_SIGNED_NUMERIC_TYPE(pLeftElem->v.nType)){
} else if (IS_SIGNED_NUMERIC_TYPE(pLeftElem->v.nType)) {
if (pLeftElem->v.i64 == pRightElem->v.i64) {
return 0;
} else {
......@@ -1967,7 +1965,7 @@ static int32_t resDataDescComparFn(const void *pLeft, const void *pRight) { retu
static void copyTopBotRes(SQLFunctionCtx *pCtx, int32_t type) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STopBotInfo *pRes = GET_ROWCELL_INTERBUF(pResInfo);
STopBotInfo * pRes = GET_ROWCELL_INTERBUF(pResInfo);
tValuePair **tvp = pRes->res;
......@@ -2065,13 +2063,13 @@ static STopBotInfo *getTopBotOutputInfo(SQLFunctionCtx *pCtx) {
// only the first_stage_merge is directly written data into final output buffer
if (pCtx->stableQuery && pCtx->currentStage != MERGE_STAGE) {
return (STopBotInfo*) pCtx->pOutput;
} else { // during normal table query and super table at the secondary_stage, result is written to intermediate buffer
return (STopBotInfo *)pCtx->pOutput;
} else { // during normal table query and super table at the secondary_stage, result is written to intermediate
// buffer
return GET_ROWCELL_INTERBUF(pResInfo);
}
}
/*
* keep the intermediate results during scan data blocks in the format of:
* +-----------------------------------+-------------one value pair-----------+------------next value pair-----------+
......@@ -2080,13 +2078,13 @@ static STopBotInfo *getTopBotOutputInfo(SQLFunctionCtx *pCtx) {
*/
static void buildTopBotStruct(STopBotInfo *pTopBotInfo, SQLFunctionCtx *pCtx) {
char *tmp = (char *)pTopBotInfo + sizeof(STopBotInfo);
pTopBotInfo->res = (tValuePair**) tmp;
pTopBotInfo->res = (tValuePair **)tmp;
tmp += POINTER_BYTES * pCtx->param[0].i64;
size_t size = sizeof(tValuePair) + pCtx->tagInfo.tagsLen;
for (int32_t i = 0; i < pCtx->param[0].i64; ++i) {
pTopBotInfo->res[i] = (tValuePair*) tmp;
pTopBotInfo->res[i] = (tValuePair *)tmp;
pTopBotInfo->res[i]->pTags = tmp + sizeof(tValuePair);
tmp += size;
}
......@@ -2105,11 +2103,12 @@ bool topbot_datablock_filter(SQLFunctionCtx *pCtx, const char *minval, const cha
return true;
}
if ((void *)pTopBotInfo->res[0] != (void *)((char *)pTopBotInfo + sizeof(STopBotInfo) + POINTER_BYTES * pCtx->param[0].i64)) {
if ((void *)pTopBotInfo->res[0] !=
(void *)((char *)pTopBotInfo + sizeof(STopBotInfo) + POINTER_BYTES * pCtx->param[0].i64)) {
buildTopBotStruct(pTopBotInfo, pCtx);
}
tValuePair **pRes = (tValuePair**) pTopBotInfo->res;
tValuePair **pRes = (tValuePair **)pTopBotInfo->res;
if (pCtx->functionId == TSDB_FUNC_TOP) {
switch (pCtx->inputType) {
......@@ -2148,7 +2147,7 @@ bool topbot_datablock_filter(SQLFunctionCtx *pCtx, const char *minval, const cha
}
}
static bool top_bottom_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool top_bottom_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false;
}
......@@ -2177,7 +2176,7 @@ static void top_function(SQLFunctionCtx *pCtx) {
notNullElems++;
// NOTE: Set the default timestamp if it is missing [todo refactor]
TSKEY ts = (pCtx->ptsList != NULL)? GET_TS_DATA(pCtx, i):0;
TSKEY ts = (pCtx->ptsList != NULL) ? GET_TS_DATA(pCtx, i) : 0;
do_top_function_add(pRes, (int32_t)pCtx->param[0].i64, data, ts, pCtx->inputType, &pCtx->tagInfo, NULL, 0);
}
......@@ -2204,9 +2203,9 @@ static void top_func_merge(SQLFunctionCtx *pCtx) {
// the intermediate result is binary, we only use the output data type
for (int32_t i = 0; i < pInput->num; ++i) {
int16_t type = (pCtx->outputType == TSDB_DATA_TYPE_FLOAT)? TSDB_DATA_TYPE_DOUBLE:pCtx->outputType;
do_top_function_add(pOutput, (int32_t)pCtx->param[0].i64, &pInput->res[i]->v.i64, pInput->res[i]->timestamp,
type, &pCtx->tagInfo, pInput->res[i]->pTags, pCtx->currentStage);
int16_t type = (pCtx->outputType == TSDB_DATA_TYPE_FLOAT) ? TSDB_DATA_TYPE_DOUBLE : pCtx->outputType;
do_top_function_add(pOutput, (int32_t)pCtx->param[0].i64, &pInput->res[i]->v.i64, pInput->res[i]->timestamp, type,
&pCtx->tagInfo, pInput->res[i]->pTags, pCtx->currentStage);
}
SET_VAL(pCtx, pInput->num, pOutput->num);
......@@ -2234,7 +2233,7 @@ static void bottom_function(SQLFunctionCtx *pCtx) {
notNullElems++;
// NOTE: Set the default timestamp if it is missing [todo refactor]
TSKEY ts = (pCtx->ptsList != NULL)? GET_TS_DATA(pCtx, i):0;
TSKEY ts = (pCtx->ptsList != NULL) ? GET_TS_DATA(pCtx, i) : 0;
do_bottom_function_add(pRes, (int32_t)pCtx->param[0].i64, data, ts, pCtx->inputType, &pCtx->tagInfo, NULL, 0);
}
......@@ -2262,8 +2261,8 @@ static void bottom_func_merge(SQLFunctionCtx *pCtx) {
// the intermediate result is binary, we only use the output data type
for (int32_t i = 0; i < pInput->num; ++i) {
int16_t type = (pCtx->outputType == TSDB_DATA_TYPE_FLOAT) ? TSDB_DATA_TYPE_DOUBLE : pCtx->outputType;
do_bottom_function_add(pOutput, (int32_t)pCtx->param[0].i64, &pInput->res[i]->v.i64, pInput->res[i]->timestamp, type,
&pCtx->tagInfo, pInput->res[i]->pTags, pCtx->currentStage);
do_bottom_function_add(pOutput, (int32_t)pCtx->param[0].i64, &pInput->res[i]->v.i64, pInput->res[i]->timestamp,
type, &pCtx->tagInfo, pInput->res[i]->pTags, pCtx->currentStage);
}
SET_VAL(pCtx, pInput->num, pOutput->num);
......@@ -2303,7 +2302,7 @@ static void top_bottom_func_finalizer(SQLFunctionCtx *pCtx) {
}
///////////////////////////////////////////////////////////////////////////////////////////////
static bool percentile_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo) {
static bool percentile_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResultInfo) {
if (!function_setup(pCtx, pResultInfo)) {
return false;
}
......@@ -2321,7 +2320,7 @@ static void percentile_function(SQLFunctionCtx *pCtx) {
int32_t notNullElems = 0;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SPercentileInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
SPercentileInfo * pInfo = GET_ROWCELL_INTERBUF(pResInfo);
if (pCtx->currentStage == REPEAT_SCAN && pInfo->stage == 0) {
pInfo->stage += 1;
......@@ -2406,9 +2405,9 @@ static void percentile_finalizer(SQLFunctionCtx *pCtx) {
double v = pCtx->param[0].nType == TSDB_DATA_TYPE_INT ? pCtx->param[0].i64 : pCtx->param[0].dKey;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SPercentileInfo* ppInfo = (SPercentileInfo *) GET_ROWCELL_INTERBUF(pResInfo);
SPercentileInfo * ppInfo = (SPercentileInfo *)GET_ROWCELL_INTERBUF(pResInfo);
tMemBucket * pMemBucket = ppInfo->pMemBucket;
tMemBucket *pMemBucket = ppInfo->pMemBucket;
if (pMemBucket == NULL || pMemBucket->total == 0) { // check for null
assert(ppInfo->numOfElems == 0);
setNull(pCtx->pOutput, pCtx->outputType, pCtx->outputBytes);
......@@ -2420,18 +2419,17 @@ static void percentile_finalizer(SQLFunctionCtx *pCtx) {
doFinalizer(pCtx);
}
//////////////////////////////////////////////////////////////////////////////////
static void buildHistogramInfo(SAPercentileInfo* pInfo) {
pInfo->pHisto = (SHistogramInfo*) ((char*) pInfo + sizeof(SAPercentileInfo));
pInfo->pHisto->elems = (SHistBin*) ((char*)pInfo->pHisto + sizeof(SHistogramInfo));
static void buildHistogramInfo(SAPercentileInfo *pInfo) {
pInfo->pHisto = (SHistogramInfo *)((char *)pInfo + sizeof(SAPercentileInfo));
pInfo->pHisto->elems = (SHistBin *)((char *)pInfo->pHisto + sizeof(SHistogramInfo));
}
static SAPercentileInfo *getAPerctInfo(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SAPercentileInfo* pInfo = NULL;
SAPercentileInfo * pInfo = NULL;
if (pCtx->stableQuery && pCtx->currentStage != MERGE_STAGE) {
pInfo = (SAPercentileInfo*) pCtx->pOutput;
pInfo = (SAPercentileInfo *)pCtx->pOutput;
} else {
pInfo = GET_ROWCELL_INTERBUF(pResInfo);
}
......@@ -2440,7 +2438,117 @@ static SAPercentileInfo *getAPerctInfo(SQLFunctionCtx *pCtx) {
return pInfo;
}
static bool apercentile_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo) {
//
// ----------------- tdigest -------------------
//
//////////////////////////////////////////////////////////////////////////////////
static bool tdigest_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResultInfo) {
if (!function_setup(pCtx, pResultInfo)) {
return false;
}
// new TDigest
SAPercentileInfo *pAPerc = getAPerctInfo(pCtx);
int compression = 5;
if(pAPerc) {
if(pAPerc->pTDigest == NULL) {
pAPerc->pTDigest = tdigestNew(compression);
}
}
return true;
}
static void tdigest_do(SQLFunctionCtx *pCtx) {
int32_t notNullElems = 0;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SAPercentileInfo * pAPerc = getAPerctInfo(pCtx);
assert(pAPerc->pTDigest != NULL);
if(pAPerc->pTDigest == NULL) {
qError("tdigest_do tdigest is null.");
return ;
}
for (int32_t i = 0; i < pCtx->size; ++i) {
char *data = GET_INPUT_DATA(pCtx, i);
if (pCtx->hasNull && isNull(data, pCtx->inputType)) {
continue;
}
notNullElems += 1;
double v = 0; // value
long long w = 1; // weigth
GET_TYPED_DATA(v, double, pCtx->inputType, data);
tdigestAdd(pAPerc->pTDigest, v, w);
}
tdigestCompress(pAPerc->pTDigest);
if (!pCtx->hasNull) {
assert(pCtx->size == notNullElems);
}
SET_VAL(pCtx, notNullElems, 1);
if (notNullElems > 0) {
pResInfo->hasResult = DATA_SET_FLAG;
}
}
static void tdigest_merge(SQLFunctionCtx *pCtx) {
SAPercentileInfo *pInput = (SAPercentileInfo *)GET_INPUT_DATA_LIST(pCtx);
assert(pInput->pTDigest);
SAPercentileInfo *pOutput = getAPerctInfo(pCtx);
tdigestMerge(pOutput->pTDigest, pInput->pTDigest);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
pResInfo->hasResult = DATA_SET_FLAG;
SET_VAL(pCtx, 1, 1);
}
static void tdigest_finalizer(SQLFunctionCtx *pCtx) {
double q = (pCtx->param[0].nType == TSDB_DATA_TYPE_INT) ? pCtx->param[0].i64 : pCtx->param[0].dKey;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SAPercentileInfo * pAPerc = getAPerctInfo(pCtx);
if (pCtx->currentStage == MERGE_STAGE) {
if (pResInfo->hasResult == DATA_SET_FLAG) { // check for null
double res = tdigestQuantile(pAPerc->pTDigest, q);
memcpy(pCtx->pOutput, &res, sizeof(double));
} else {
setNull(pCtx->pOutput, pCtx->outputType, pCtx->outputBytes);
return;
}
} else {
if (pAPerc->pTDigest->size > 0) {
double res = tdigestQuantile(pAPerc->pTDigest, q);
memcpy(pCtx->pOutput, &res, sizeof(double));
} else { // no need to free
setNull(pCtx->pOutput, pCtx->outputType, pCtx->outputBytes);
return;
}
}
tdigestFree(pAPerc->pTDigest);
pAPerc->pTDigest = NULL;
doFinalizer(pCtx);
}
//////////////////////////////////////////////////////////////////////////////////
int algo = 1;
static bool apercentile_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResultInfo) {
if (algo == 1) {
return tdigest_setup(pCtx, pResultInfo);
}
if (!function_setup(pCtx, pResultInfo)) {
return false;
}
......@@ -2453,10 +2561,15 @@ static bool apercentile_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo*
}
static void apercentile_function(SQLFunctionCtx *pCtx) {
if (algo == 1) {
tdigest_do(pCtx);
return;
}
int32_t notNullElems = 0;
SResultRowCellInfo * pResInfo = GET_RES_INFO(pCtx);
SAPercentileInfo *pInfo = getAPerctInfo(pCtx);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SAPercentileInfo * pInfo = getAPerctInfo(pCtx);
assert(pInfo->pHisto->elems != NULL);
......@@ -2485,27 +2598,32 @@ static void apercentile_function(SQLFunctionCtx *pCtx) {
}
static void apercentile_func_merge(SQLFunctionCtx *pCtx) {
if (algo == 1) {
tdigest_merge(pCtx);
return;
}
SAPercentileInfo *pInput = (SAPercentileInfo *)GET_INPUT_DATA_LIST(pCtx);
pInput->pHisto = (SHistogramInfo*) ((char *)pInput + sizeof(SAPercentileInfo));
pInput->pHisto->elems = (SHistBin*) ((char *)pInput->pHisto + sizeof(SHistogramInfo));
pInput->pHisto = (SHistogramInfo *)((char *)pInput + sizeof(SAPercentileInfo));
pInput->pHisto->elems = (SHistBin *)((char *)pInput->pHisto + sizeof(SHistogramInfo));
if (pInput->pHisto->numOfElems <= 0) {
return;
}
SAPercentileInfo *pOutput = getAPerctInfo(pCtx);
SHistogramInfo *pHisto = pOutput->pHisto;
SHistogramInfo * pHisto = pOutput->pHisto;
if (pHisto->numOfElems <= 0) {
memcpy(pHisto, pInput->pHisto, sizeof(SHistogramInfo) + sizeof(SHistBin) * (MAX_HISTOGRAM_BIN + 1));
pHisto->elems = (SHistBin*) ((char *)pHisto + sizeof(SHistogramInfo));
pHisto->elems = (SHistBin *)((char *)pHisto + sizeof(SHistogramInfo));
} else {
//TODO(dengyihao): avoid memcpy
pHisto->elems = (SHistBin*) ((char *)pHisto + sizeof(SHistogramInfo));
// TODO(dengyihao): avoid memcpy
pHisto->elems = (SHistBin *)((char *)pHisto + sizeof(SHistogramInfo));
SHistogramInfo *pRes = tHistogramMerge(pHisto, pInput->pHisto, MAX_HISTOGRAM_BIN);
memcpy(pHisto, pRes, sizeof(SHistogramInfo) + sizeof(SHistBin) * MAX_HISTOGRAM_BIN);
pHisto->elems = (SHistBin*) ((char *)pHisto + sizeof(SHistogramInfo));
pHisto->elems = (SHistBin *)((char *)pHisto + sizeof(SHistogramInfo));
tHistogramDestroy(&pRes);
}
......@@ -2515,10 +2633,15 @@ static void apercentile_func_merge(SQLFunctionCtx *pCtx) {
}
static void apercentile_finalizer(SQLFunctionCtx *pCtx) {
if (algo == 1) {
tdigest_finalizer(pCtx);
return;
}
double v = (pCtx->param[0].nType == TSDB_DATA_TYPE_INT) ? pCtx->param[0].i64 : pCtx->param[0].dKey;
SResultRowCellInfo * pResInfo = GET_RES_INFO(pCtx);
SAPercentileInfo *pOutput = GET_ROWCELL_INTERBUF(pResInfo);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SAPercentileInfo * pOutput = GET_ROWCELL_INTERBUF(pResInfo);
if (pCtx->currentStage == MERGE_STAGE) {
if (pResInfo->hasResult == DATA_SET_FLAG) { // check for null
......@@ -2550,7 +2673,7 @@ static void apercentile_finalizer(SQLFunctionCtx *pCtx) {
}
/////////////////////////////////////////////////////////////////////////////////
static bool leastsquares_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool leastsquares_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false;
}
......@@ -2581,8 +2704,8 @@ static bool leastsquares_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo
}
static void leastsquares_function(SQLFunctionCtx *pCtx) {
SResultRowCellInfo * pResInfo = GET_RES_INFO(pCtx);
SLeastsquaresInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SLeastsquaresInfo * pInfo = GET_ROWCELL_INTERBUF(pResInfo);
double(*param)[3] = pInfo->mat;
double x = pInfo->startVal;
......@@ -2595,7 +2718,7 @@ static void leastsquares_function(SQLFunctionCtx *pCtx) {
int32_t *p = pData;
// LEASTSQR_CAL_LOOP(pCtx, param, pParamData, p);
for (int32_t i = 0; i < pCtx->size; ++i) {
if (pCtx->hasNull && isNull((const char*) p, pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)p, pCtx->inputType)) {
continue;
}
......@@ -2668,8 +2791,8 @@ static void leastsquares_function(SQLFunctionCtx *pCtx) {
static void leastsquares_finalizer(SQLFunctionCtx *pCtx) {
// no data in query
SResultRowCellInfo * pResInfo = GET_RES_INFO(pCtx);
SLeastsquaresInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SLeastsquaresInfo * pInfo = GET_ROWCELL_INTERBUF(pResInfo);
if (pInfo->num == 0) {
setNull(pCtx->pOutput, pCtx->outputType, pCtx->outputBytes);
......@@ -2691,8 +2814,8 @@ static void leastsquares_finalizer(SQLFunctionCtx *pCtx) {
param[1][2] /= param[1][1];
int32_t maxOutputSize = TSDB_AVG_FUNCTION_INTER_BUFFER_SIZE - VARSTR_HEADER_SIZE;
size_t n = snprintf(varDataVal(pCtx->pOutput), maxOutputSize, "{slop:%.6lf, intercept:%.6lf}",
param[0][2], param[1][2]);
size_t n =
snprintf(varDataVal(pCtx->pOutput), maxOutputSize, "{slop:%.6lf, intercept:%.6lf}", param[0][2], param[1][2]);
varDataSetLen(pCtx->pOutput, n);
doFinalizer(pCtx);
......@@ -2718,12 +2841,11 @@ static void col_project_function(SQLFunctionCtx *pCtx) {
char *pData = GET_INPUT_DATA_LIST(pCtx);
if (pCtx->order == TSDB_ORDER_ASC) {
int32_t numOfRows = (pCtx->param[0].i64 == 1)? 1:pCtx->size;
memcpy(pCtx->pOutput, pData, (size_t) numOfRows * pCtx->inputBytes);
int32_t numOfRows = (pCtx->param[0].i64 == 1) ? 1 : pCtx->size;
memcpy(pCtx->pOutput, pData, (size_t)numOfRows * pCtx->inputBytes);
} else {
for(int32_t i = 0; i < pCtx->size; ++i) {
memcpy(pCtx->pOutput + (pCtx->size - 1 - i) * pCtx->inputBytes, pData + i * pCtx->inputBytes,
pCtx->inputBytes);
for (int32_t i = 0; i < pCtx->size; ++i) {
memcpy(pCtx->pOutput + (pCtx->size - 1 - i) * pCtx->inputBytes, pData + i * pCtx->inputBytes, pCtx->inputBytes);
}
}
}
......@@ -2739,7 +2861,7 @@ static void tag_project_function(SQLFunctionCtx *pCtx) {
assert(pCtx->inputBytes == pCtx->outputBytes);
tVariantDump(&pCtx->tag, pCtx->pOutput, pCtx->outputType, true);
char* data = pCtx->pOutput;
char *data = pCtx->pOutput;
pCtx->pOutput += pCtx->outputBytes;
// directly copy from the first one
......@@ -2778,7 +2900,7 @@ enum {
INITIAL_VALUE_NOT_ASSIGNED = 0,
};
static bool diff_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool diff_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false;
}
......@@ -2788,13 +2910,13 @@ static bool diff_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResIn
return false;
}
static bool deriv_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo) {
static bool deriv_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResultInfo) {
if (!function_setup(pCtx, pResultInfo)) {
return false;
}
// diff function require the value is set to -1
SDerivInfo* pDerivInfo = GET_ROWCELL_INTERBUF(pResultInfo);
SDerivInfo *pDerivInfo = GET_ROWCELL_INTERBUF(pResultInfo);
pDerivInfo->ignoreNegative = pCtx->param[1].i64;
pDerivInfo->prevTs = -1;
......@@ -2805,7 +2927,7 @@ static bool deriv_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResu
static void deriv_function(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SDerivInfo* pDerivInfo = GET_ROWCELL_INTERBUF(pResInfo);
SDerivInfo * pDerivInfo = GET_ROWCELL_INTERBUF(pResInfo);
void *data = GET_INPUT_DATA_LIST(pCtx);
......@@ -2829,7 +2951,8 @@ static void deriv_function(SQLFunctionCtx *pCtx) {
if (!pDerivInfo->valueSet) { // initial value is not set yet
pDerivInfo->valueSet = true;
} else {
SET_DOUBLE_VAL(pOutput, ((pData[i] - pDerivInfo->prevValue) * pDerivInfo->tsWindow) / (tsList[i] - pDerivInfo->prevTs));
SET_DOUBLE_VAL(
pOutput, ((pData[i] - pDerivInfo->prevValue) * pDerivInfo->tsWindow) / (tsList[i] - pDerivInfo->prevTs));
if (pDerivInfo->ignoreNegative && *pOutput < 0) {
} else {
*pTimestamp = tsList[i];
......@@ -2866,7 +2989,7 @@ static void deriv_function(SQLFunctionCtx *pCtx) {
}
}
pDerivInfo->prevValue = (double) pData[i];
pDerivInfo->prevValue = (double)pData[i];
pDerivInfo->prevTs = tsList[i];
}
break;
......@@ -3006,8 +3129,8 @@ static void diff_function(SQLFunctionCtx *pCtx) {
int32_t step = GET_FORWARD_DIRECTION_FACTOR(pCtx->order);
int32_t i = (pCtx->order == TSDB_ORDER_ASC) ? 0 : pCtx->size - 1;
TSKEY* pTimestamp = pCtx->ptsOutputBuf;
TSKEY* tsList = GET_TS_LIST(pCtx);
TSKEY *pTimestamp = pCtx->ptsOutputBuf;
TSKEY *tsList = GET_TS_LIST(pCtx);
switch (pCtx->inputType) {
case TSDB_DATA_TYPE_INT: {
......@@ -3015,13 +3138,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
int32_t *pOutput = (int32_t *)pCtx->pOutput;
for (; i < pCtx->size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &pData[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&pData[i], pCtx->inputType)) {
continue;
}
if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
*pOutput = (int32_t)(pData[i] - pCtx->param[1].i64); // direct previous may be null
*pTimestamp = (tsList != NULL)? tsList[i]:0;
*pTimestamp = (tsList != NULL) ? tsList[i] : 0;
pOutput += 1;
pTimestamp += 1;
}
......@@ -3037,13 +3160,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
int64_t *pOutput = (int64_t *)pCtx->pOutput;
for (; i < pCtx->size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &pData[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&pData[i], pCtx->inputType)) {
continue;
}
if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
*pOutput = pData[i] - pCtx->param[1].i64; // direct previous may be null
*pTimestamp = (tsList != NULL)? tsList[i]:0;
*pTimestamp = (tsList != NULL) ? tsList[i] : 0;
pOutput += 1;
pTimestamp += 1;
}
......@@ -3059,13 +3182,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
double *pOutput = (double *)pCtx->pOutput;
for (; i < pCtx->size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &pData[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&pData[i], pCtx->inputType)) {
continue;
}
if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
SET_DOUBLE_VAL(pOutput, pData[i] - pCtx->param[1].dKey); // direct previous may be null
*pTimestamp = (tsList != NULL)? tsList[i]:0;
*pTimestamp = (tsList != NULL) ? tsList[i] : 0;
pOutput += 1;
pTimestamp += 1;
}
......@@ -3081,13 +3204,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
float *pOutput = (float *)pCtx->pOutput;
for (; i < pCtx->size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &pData[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&pData[i], pCtx->inputType)) {
continue;
}
if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
*pOutput = (float)(pData[i] - pCtx->param[1].dKey); // direct previous may be null
*pTimestamp = (tsList != NULL)? tsList[i]:0;
*pTimestamp = (tsList != NULL) ? tsList[i] : 0;
pOutput += 1;
pTimestamp += 1;
}
......@@ -3103,13 +3226,13 @@ static void diff_function(SQLFunctionCtx *pCtx) {
int16_t *pOutput = (int16_t *)pCtx->pOutput;
for (; i < pCtx->size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &pData[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&pData[i], pCtx->inputType)) {
continue;
}
if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
*pOutput = (int16_t)(pData[i] - pCtx->param[1].i64); // direct previous may be null
*pTimestamp = (tsList != NULL)? tsList[i]:0;
*pTimestamp = (tsList != NULL) ? tsList[i] : 0;
pOutput += 1;
pTimestamp += 1;
}
......@@ -3132,7 +3255,7 @@ static void diff_function(SQLFunctionCtx *pCtx) {
if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) { // initial value is not set yet
*pOutput = (int8_t)(pData[i] - pCtx->param[1].i64); // direct previous may be null
*pTimestamp = (tsList != NULL)? tsList[i]:0;
*pTimestamp = (tsList != NULL) ? tsList[i] : 0;
pOutput += 1;
pTimestamp += 1;
}
......@@ -3161,7 +3284,7 @@ static void diff_function(SQLFunctionCtx *pCtx) {
}
}
char *getArithColumnData(void *param, const char* name, int32_t colId) {
char *getArithColumnData(void *param, const char *name, int32_t colId) {
SArithmeticSupport *pSupport = (SArithmeticSupport *)param;
int32_t index = -1;
......@@ -3201,7 +3324,7 @@ static void arithmetic_function(SQLFunctionCtx *pCtx) {
}
/////////////////////////////////////////////////////////////////////////////////
static bool spread_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool spread_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false;
}
......@@ -3222,7 +3345,7 @@ static bool spread_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pRes
static void spread_function(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SSpreadInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
SSpreadInfo * pInfo = GET_ROWCELL_INTERBUF(pResInfo);
int32_t numOfElems = 0;
......@@ -3287,7 +3410,7 @@ static void spread_function(SQLFunctionCtx *pCtx) {
assert(pCtx->size == numOfElems);
}
_spread_over:
_spread_over:
SET_VAL(pCtx, numOfElems, 1);
if (numOfElems > 0) {
......@@ -3354,13 +3477,12 @@ void spread_function_finalizer(SQLFunctionCtx *pCtx) {
doFinalizer(pCtx);
}
/**
* param[1]: start time
* param[2]: end time
* @param pCtx
*/
static bool twa_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool twa_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false;
}
......@@ -3372,25 +3494,25 @@ static bool twa_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInf
}
static double twa_get_area(SPoint1 s, SPoint1 e) {
if ((s.val >= 0 && e.val >= 0)|| (s.val <=0 && e.val <= 0)) {
if ((s.val >= 0 && e.val >= 0) || (s.val <= 0 && e.val <= 0)) {
return (s.val + e.val) * (e.key - s.key) / 2;
}
double x = (s.key * e.val - e.key * s.val)/(e.val - s.val);
double x = (s.key * e.val - e.key * s.val) / (e.val - s.val);
double val = (s.val * (x - s.key) + e.val * (e.key - x)) / 2;
return val;
}
static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t size) {
static int32_t twa_function_impl(SQLFunctionCtx *pCtx, int32_t index, int32_t size) {
int32_t notNullElems = 0;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STwaInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
TSKEY *tsList = GET_TS_LIST(pCtx);
TSKEY * tsList = GET_TS_LIST(pCtx);
int32_t i = index;
int32_t step = GET_FORWARD_DIRECTION_FACTOR(pCtx->order);
SPoint1* last = &pInfo->p;
SPoint1 *last = &pInfo->p;
if (pCtx->start.key != INT64_MIN) {
assert((pCtx->start.key < tsList[i] && pCtx->order == TSDB_ORDER_ASC) ||
......@@ -3418,11 +3540,11 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
}
// calculate the value of
switch(pCtx->inputType) {
switch (pCtx->inputType) {
case TSDB_DATA_TYPE_TINYINT: {
int8_t *val = (int8_t*) GET_INPUT_DATA(pCtx, 0);
int8_t *val = (int8_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3439,9 +3561,9 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_SMALLINT: {
int16_t *val = (int16_t*) GET_INPUT_DATA(pCtx, 0);
int16_t *val = (int16_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3458,9 +3580,9 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_INT: {
int32_t *val = (int32_t*) GET_INPUT_DATA(pCtx, 0);
int32_t *val = (int32_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3477,14 +3599,14 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_BIGINT: {
int64_t *val = (int64_t*) GET_INPUT_DATA(pCtx, 0);
int64_t *val = (int64_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
#ifndef _TD_NINGSI_60
SPoint1 st = {.key = tsList[i], .val = (double) val[i]};
SPoint1 st = {.key = tsList[i], .val = (double)val[i]};
#else
SPoint1 st;
st.key = tsList[i];
......@@ -3496,9 +3618,9 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_FLOAT: {
float *val = (float*) GET_INPUT_DATA(pCtx, 0);
float *val = (float *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3515,9 +3637,9 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_DOUBLE: {
double *val = (double*) GET_INPUT_DATA(pCtx, 0);
double *val = (double *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3534,9 +3656,9 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_UTINYINT: {
uint8_t *val = (uint8_t*) GET_INPUT_DATA(pCtx, 0);
uint8_t *val = (uint8_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3553,9 +3675,9 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_USMALLINT: {
uint16_t *val = (uint16_t*) GET_INPUT_DATA(pCtx, 0);
uint16_t *val = (uint16_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3572,9 +3694,9 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_UINT: {
uint32_t *val = (uint32_t*) GET_INPUT_DATA(pCtx, 0);
uint32_t *val = (uint32_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
......@@ -3591,25 +3713,26 @@ static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t si
break;
}
case TSDB_DATA_TYPE_UBIGINT: {
uint64_t *val = (uint64_t*) GET_INPUT_DATA(pCtx, 0);
uint64_t *val = (uint64_t *)GET_INPUT_DATA(pCtx, 0);
for (; i < size && i >= 0; i += step) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
if (pCtx->hasNull && isNull((const char *)&val[i], pCtx->inputType)) {
continue;
}
#ifndef _TD_NINGSI_60
SPoint1 st = {.key = tsList[i], .val = (double) val[i]};
SPoint1 st = {.key = tsList[i], .val = (double)val[i]};
#else
SPoint1 st;
st.key = tsList[i];
st.val = (double) val[i];
st.val = (double)val[i];
#endif
pInfo->dOutput += twa_get_area(pInfo->p, st);
pInfo->p = st;
}
break;
}
default: assert(0);
default:
assert(0);
}
// the last interpolated time window value
......@@ -3626,11 +3749,11 @@ static void twa_function(SQLFunctionCtx *pCtx) {
void *data = GET_INPUT_DATA_LIST(pCtx);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STwaInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
STwaInfo * pInfo = GET_ROWCELL_INTERBUF(pResInfo);
// skip null value
int32_t step = GET_FORWARD_DIRECTION_FACTOR(pCtx->order);
int32_t i = (pCtx->order == TSDB_ORDER_ASC)? 0:(pCtx->size - 1);
int32_t i = (pCtx->order == TSDB_ORDER_ASC) ? 0 : (pCtx->size - 1);
while (pCtx->hasNull && i < pCtx->size && i >= 0 && isNull((char *)data + pCtx->inputBytes * i, pCtx->inputType)) {
i += step;
}
......@@ -3677,7 +3800,7 @@ void twa_function_finalizer(SQLFunctionCtx *pCtx) {
if (pInfo->win.ekey == pInfo->win.skey) {
SET_DOUBLE_VAL((double *)pCtx->pOutput, pInfo->p.val);
} else {
SET_DOUBLE_VAL((double *)pCtx->pOutput , pInfo->dOutput / (pInfo->win.ekey - pInfo->win.skey));
SET_DOUBLE_VAL((double *)pCtx->pOutput, pInfo->dOutput / (pInfo->win.ekey - pInfo->win.skey));
}
GET_RES_INFO(pCtx)->numOfRes = 1;
......@@ -3690,7 +3813,7 @@ void twa_function_finalizer(SQLFunctionCtx *pCtx) {
*/
static void interp_function_impl(SQLFunctionCtx *pCtx) {
int32_t type = (int32_t) pCtx->param[2].i64;
int32_t type = (int32_t)pCtx->param[2].i64;
if (type == TSDB_FILL_NONE) {
return;
}
......@@ -3704,7 +3827,9 @@ static void interp_function_impl(SQLFunctionCtx *pCtx) {
} else if (type == TSDB_FILL_SET_VALUE) {
tVariantDump(&pCtx->param[1], pCtx->pOutput, pCtx->inputType, true);
} else {
if (pCtx->start.key != INT64_MIN && ((ascQuery && pCtx->start.key <= pCtx->startTs && pCtx->end.key >= pCtx->startTs) || ((!ascQuery) && pCtx->start.key >= pCtx->startTs && pCtx->end.key <= pCtx->startTs))) {
if (pCtx->start.key != INT64_MIN &&
((ascQuery && pCtx->start.key <= pCtx->startTs && pCtx->end.key >= pCtx->startTs) ||
((!ascQuery) && pCtx->start.key >= pCtx->startTs && pCtx->end.key <= pCtx->startTs))) {
if (type == TSDB_FILL_PREV) {
if (IS_NUMERIC_TYPE(pCtx->inputType) || pCtx->inputType == TSDB_DATA_TYPE_BOOL) {
SET_TYPED_DATA(pCtx->pOutput, pCtx->inputType, pCtx->start.val);
......@@ -3750,14 +3875,14 @@ static void interp_function_impl(SQLFunctionCtx *pCtx) {
if (pCtx->size > 1) {
TSKEY ekey = GET_TS_DATA(pCtx, 1);
if ((ascQuery && ekey > skey && ekey <= pCtx->startTs) ||
((!ascQuery) && ekey < skey && ekey >= pCtx->startTs)){
((!ascQuery) && ekey < skey && ekey >= pCtx->startTs)) {
skey = ekey;
}
}
assignVal(pCtx->pOutput, pCtx->pInput, pCtx->outputBytes, pCtx->inputType);
} else if (type == TSDB_FILL_NEXT) {
TSKEY ekey = skey;
char* val = NULL;
char *val = NULL;
if ((ascQuery && ekey < pCtx->startTs) || ((!ascQuery) && ekey > pCtx->startTs)) {
if (pCtx->size > 1) {
......@@ -3766,12 +3891,12 @@ static void interp_function_impl(SQLFunctionCtx *pCtx) {
return;
}
val = ((char*)pCtx->pInput) + pCtx->inputBytes;
val = ((char *)pCtx->pInput) + pCtx->inputBytes;
} else {
return;
}
} else {
val = (char*)pCtx->pInput;
val = (char *)pCtx->pInput;
}
assignVal(pCtx->pOutput, val, pCtx->outputBytes, pCtx->inputType);
......@@ -3783,8 +3908,8 @@ static void interp_function_impl(SQLFunctionCtx *pCtx) {
TSKEY ekey = GET_TS_DATA(pCtx, 1);
// no data generated yet
if ((ascQuery && !(skey <= pCtx->startTs && ekey >= pCtx->startTs))
|| ((!ascQuery) && !(skey >= pCtx->startTs && ekey <= pCtx->startTs))) {
if ((ascQuery && !(skey <= pCtx->startTs && ekey >= pCtx->startTs)) ||
((!ascQuery) && !(skey >= pCtx->startTs && ekey <= pCtx->startTs))) {
return;
}
......@@ -3817,7 +3942,7 @@ static void interp_function(SQLFunctionCtx *pCtx) {
if (pCtx->size > 0) {
bool ascQuery = (pCtx->order == TSDB_ORDER_ASC);
TSKEY key;
char *pData;
char * pData;
int32_t typedData = 0;
if (ascQuery) {
......@@ -3838,7 +3963,8 @@ static void interp_function(SQLFunctionCtx *pCtx) {
}
}
//if (key == pCtx->startTs && (ascQuery || !(IS_NUMERIC_TYPE(pCtx->inputType) || pCtx->inputType == TSDB_DATA_TYPE_BOOL))) {
// if (key == pCtx->startTs && (ascQuery || !(IS_NUMERIC_TYPE(pCtx->inputType) || pCtx->inputType ==
// TSDB_DATA_TYPE_BOOL))) {
if (key == pCtx->startTs) {
if (typedData) {
SET_TYPED_DATA(pCtx->pOutput, pCtx->inputType, *(double *)pData);
......@@ -3850,12 +3976,12 @@ static void interp_function(SQLFunctionCtx *pCtx) {
} else {
interp_function_impl(pCtx);
}
} else { //no qualified data rows and interpolation is required
} else { // no qualified data rows and interpolation is required
interp_function_impl(pCtx);
}
}
static bool ts_comp_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool ts_comp_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false; // not initialized since it has been initialized
}
......@@ -3893,7 +4019,7 @@ static void ts_comp_finalize(SQLFunctionCtx *pCtx) {
STSBuf * pTSbuf = pInfo->pTSBuf;
tsBufFlush(pTSbuf);
qDebug("total timestamp :%"PRId64, pTSbuf->numOfTotal);
qDebug("total timestamp :%" PRId64, pTSbuf->numOfTotal);
// TODO refactor transfer ownership of current file
*(FILE **)pCtx->pOutput = pTSbuf->f;
......@@ -3914,7 +4040,7 @@ static void ts_comp_finalize(SQLFunctionCtx *pCtx) {
//////////////////////////////////////////////////////////////////////////////////////////////
// rate functions
static double do_calc_rate(const SRateInfo* pRateInfo, double tickPerSec) {
static double do_calc_rate(const SRateInfo *pRateInfo, double tickPerSec) {
if ((INT64_MIN == pRateInfo->lastKey) || (INT64_MIN == pRateInfo->firstKey) ||
(pRateInfo->firstKey >= pRateInfo->lastKey)) {
return 0.0;
......@@ -3940,10 +4066,10 @@ static double do_calc_rate(const SRateInfo* pRateInfo, double tickPerSec) {
return 0;
}
return (duration > 0)? ((double)diff) / (duration/tickPerSec):0.0;
return (duration > 0) ? ((double)diff) / (duration / tickPerSec) : 0.0;
}
static bool rate_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
static bool rate_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo *pResInfo) {
if (!function_setup(pCtx, pResInfo)) {
return false;
}
......@@ -3952,8 +4078,8 @@ static bool rate_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResIn
pInfo->correctionValue = 0;
pInfo->firstKey = INT64_MIN;
pInfo->lastKey = INT64_MIN;
pInfo->firstValue = (double) INT64_MIN;
pInfo->lastValue = (double) INT64_MIN;
pInfo->firstValue = (double)INT64_MIN;
pInfo->lastValue = (double)INT64_MIN;
pInfo->hasResult = 0;
pInfo->isIRate = (pCtx->functionId == TSDB_FUNC_IRATE);
......@@ -3965,7 +4091,7 @@ static void rate_function(SQLFunctionCtx *pCtx) {
int32_t notNullElems = 0;
SRateInfo *pRateInfo = (SRateInfo *)GET_ROWCELL_INTERBUF(pResInfo);
TSKEY *primaryKey = GET_TS_LIST(pCtx);
TSKEY * primaryKey = GET_TS_LIST(pCtx);
qDebug("%p rate_function() size:%d, hasNull:%d", pCtx, pCtx->size, pCtx->hasNull);
......@@ -4018,19 +4144,19 @@ static void rate_func_copy(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
memcpy(GET_ROWCELL_INTERBUF(pResInfo), pCtx->pInput, (size_t)pCtx->inputBytes);
pResInfo->hasResult = ((SRateInfo*)pCtx->pInput)->hasResult;
pResInfo->hasResult = ((SRateInfo *)pCtx->pInput)->hasResult;
}
static void rate_finalizer(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
SRateInfo *pRateInfo = (SRateInfo *)GET_ROWCELL_INTERBUF(pResInfo);
SRateInfo * pRateInfo = (SRateInfo *)GET_ROWCELL_INTERBUF(pResInfo);
if (pRateInfo->hasResult != DATA_SET_FLAG) {
setNull(pCtx->pOutput, TSDB_DATA_TYPE_DOUBLE, sizeof(double));
return;
}
SET_DOUBLE_VAL((double*) pCtx->pOutput, do_calc_rate(pRateInfo, (double) TSDB_TICK_PER_SECOND(pCtx->param[0].i64)));
SET_DOUBLE_VAL((double *)pCtx->pOutput, do_calc_rate(pRateInfo, (double)TSDB_TICK_PER_SECOND(pCtx->param[0].i64)));
// cannot set the numOfIteratedElems again since it is set during previous iteration
pResInfo->numOfRes = 1;
......@@ -4044,7 +4170,7 @@ static void irate_function(SQLFunctionCtx *pCtx) {
int32_t notNullElems = 0;
SRateInfo *pRateInfo = (SRateInfo *)GET_ROWCELL_INTERBUF(pResInfo);
TSKEY *primaryKey = GET_TS_LIST(pCtx);
TSKEY * primaryKey = GET_TS_LIST(pCtx);
for (int32_t i = pCtx->size - 1; i >= 0; --i) {
char *pData = GET_INPUT_DATA(pCtx, i);
......@@ -4083,12 +4209,12 @@ static void irate_function(SQLFunctionCtx *pCtx) {
}
}
void blockInfo_func(SQLFunctionCtx* pCtx) {
void blockInfo_func(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STableBlockDist* pDist = (STableBlockDist*) GET_ROWCELL_INTERBUF(pResInfo);
STableBlockDist * pDist = (STableBlockDist *)GET_ROWCELL_INTERBUF(pResInfo);
int32_t len = *(int32_t*) pCtx->pInput;
blockDistInfoFromBinary((char*)pCtx->pInput + sizeof(int32_t), len, pDist);
int32_t len = *(int32_t *)pCtx->pInput;
blockDistInfoFromBinary((char *)pCtx->pInput + sizeof(int32_t), len, pDist);
pDist->rowSize = (uint16_t)pCtx->param[0].i64;
memcpy(pCtx->pOutput, pCtx->pInput, sizeof(int32_t) + len);
......@@ -4097,8 +4223,8 @@ void blockInfo_func(SQLFunctionCtx* pCtx) {
pResInfo->hasResult = DATA_SET_FLAG;
}
static void mergeTableBlockDist(SResultRowCellInfo* pResInfo, const STableBlockDist* pSrc) {
STableBlockDist* pDist = (STableBlockDist*) GET_ROWCELL_INTERBUF(pResInfo);
static void mergeTableBlockDist(SResultRowCellInfo *pResInfo, const STableBlockDist *pSrc) {
STableBlockDist *pDist = (STableBlockDist *)GET_ROWCELL_INTERBUF(pResInfo);
assert(pDist != NULL && pSrc != NULL);
pDist->numOfTables += pSrc->numOfTables;
......@@ -4115,7 +4241,7 @@ static void mergeTableBlockDist(SResultRowCellInfo* pResInfo, const STableBlockD
pDist->maxRows = pSrc->maxRows;
pDist->minRows = pSrc->minRows;
int32_t maxSteps = TSDB_MAX_MAX_ROW_FBLOCK/TSDB_BLOCK_DIST_STEP_ROWS;
int32_t maxSteps = TSDB_MAX_MAX_ROW_FBLOCK / TSDB_BLOCK_DIST_STEP_ROWS;
if (TSDB_MAX_MAX_ROW_FBLOCK % TSDB_BLOCK_DIST_STEP_ROWS != 0) {
++maxSteps;
}
......@@ -4125,16 +4251,16 @@ static void mergeTableBlockDist(SResultRowCellInfo* pResInfo, const STableBlockD
size_t steps = taosArrayGetSize(pSrc->dataBlockInfos);
for (int32_t i = 0; i < steps; ++i) {
int32_t srcNumBlocks = ((SFileBlockInfo*)taosArrayGet(pSrc->dataBlockInfos, i))->numBlocksOfStep;
SFileBlockInfo* blockInfo = (SFileBlockInfo*)taosArrayGet(pDist->dataBlockInfos, i);
int32_t srcNumBlocks = ((SFileBlockInfo *)taosArrayGet(pSrc->dataBlockInfos, i))->numBlocksOfStep;
SFileBlockInfo *blockInfo = (SFileBlockInfo *)taosArrayGet(pDist->dataBlockInfos, i);
blockInfo->numBlocksOfStep += srcNumBlocks;
}
}
void block_func_merge(SQLFunctionCtx* pCtx) {
void block_func_merge(SQLFunctionCtx *pCtx) {
STableBlockDist info = {0};
int32_t len = *(int32_t*) pCtx->pInput;
blockDistInfoFromBinary(((char*)pCtx->pInput) + sizeof(int32_t), len, &info);
int32_t len = *(int32_t *)pCtx->pInput;
blockDistInfoFromBinary(((char *)pCtx->pInput) + sizeof(int32_t), len, &info);
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
mergeTableBlockDist(pResInfo, &info);
taosArrayDestroy(info.dataBlockInfos);
......@@ -4143,8 +4269,8 @@ void block_func_merge(SQLFunctionCtx* pCtx) {
pResInfo->hasResult = DATA_SET_FLAG;
}
void getPercentiles(STableBlockDist *pTableBlockDist, int64_t totalBlocks, int32_t numOfPercents,
double* percents, int32_t* percentiles) {
void getPercentiles(STableBlockDist *pTableBlockDist, int64_t totalBlocks, int32_t numOfPercents, double *percents,
int32_t *percentiles) {
if (totalBlocks == 0) {
for (int32_t i = 0; i < numOfPercents; ++i) {
percentiles[i] = 0;
......@@ -4174,16 +4300,16 @@ void getPercentiles(STableBlockDist *pTableBlockDist, int64_t totalBlocks, int32
}
for (int32_t i = 0; i < numOfPercents; ++i) {
percentiles[i] = (percentiles[i]+1) * TSDB_BLOCK_DIST_STEP_ROWS - TSDB_BLOCK_DIST_STEP_ROWS/2;
percentiles[i] = (percentiles[i] + 1) * TSDB_BLOCK_DIST_STEP_ROWS - TSDB_BLOCK_DIST_STEP_ROWS / 2;
}
}
void generateBlockDistResult(STableBlockDist *pTableBlockDist, char* result) {
void generateBlockDistResult(STableBlockDist *pTableBlockDist, char *result) {
if (pTableBlockDist == NULL) {
return;
}
SArray* blockInfos = pTableBlockDist->dataBlockInfos;
SArray * blockInfos = pTableBlockDist->dataBlockInfos;
uint64_t totalRows = pTableBlockDist->totalRows;
size_t numSteps = taosArrayGetSize(blockInfos);
int64_t totalBlocks = 0;
......@@ -4195,7 +4321,7 @@ void generateBlockDistResult(STableBlockDist *pTableBlockDist, char* result) {
totalBlocks += blocks;
}
avg = totalBlocks > 0 ? (int64_t)(totalRows/totalBlocks) : 0;
avg = totalBlocks > 0 ? (int64_t)(totalRows / totalBlocks) : 0;
min = totalBlocks > 0 ? pTableBlockDist->minRows : 0;
max = totalBlocks > 0 ? pTableBlockDist->maxRows : 0;
......@@ -4214,32 +4340,33 @@ void generateBlockDistResult(STableBlockDist *pTableBlockDist, char* result) {
double percents[] = {0.05, 0.10, 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, 0.90, 0.95, 0.99};
int32_t percentiles[] = {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
assert(sizeof(percents)/sizeof(double) == sizeof(percentiles)/sizeof(int32_t));
getPercentiles(pTableBlockDist, totalBlocks, sizeof(percents)/sizeof(double), percents, percentiles);
assert(sizeof(percents) / sizeof(double) == sizeof(percentiles) / sizeof(int32_t));
getPercentiles(pTableBlockDist, totalBlocks, sizeof(percents) / sizeof(double), percents, percentiles);
uint64_t totalLen = pTableBlockDist->totalSize;
int32_t rowSize = pTableBlockDist->rowSize;
int32_t smallBlocks = pTableBlockDist->numOfSmallBlocks;
double compRatio = (totalRows>0) ? ((double)(totalLen)/(rowSize*totalRows)) : 1;
double compRatio = (totalRows > 0) ? ((double)(totalLen) / (rowSize * totalRows)) : 1;
int sz = sprintf(result + VARSTR_HEADER_SIZE,
"summary: \n\t "
"5th=[%d], 10th=[%d], 20th=[%d], 30th=[%d], 40th=[%d], 50th=[%d]\n\t "
"60th=[%d], 70th=[%d], 80th=[%d], 90th=[%d], 95th=[%d], 99th=[%d]\n\t "
"Min=[%"PRId64"(Rows)] Max=[%"PRId64"(Rows)] Avg=[%"PRId64"(Rows)] Stddev=[%.2f] \n\t "
"Rows=[%"PRIu64"], Blocks=[%"PRId64"], SmallBlocks=[%d], Size=[%.3f(Kb)] Comp=[%.2f]\n\t "
"Min=[%" PRId64 "(Rows)] Max=[%" PRId64 "(Rows)] Avg=[%" PRId64
"(Rows)] Stddev=[%.2f] \n\t "
"Rows=[%" PRIu64 "], Blocks=[%" PRId64
"], SmallBlocks=[%d], Size=[%.3f(Kb)] Comp=[%.2f]\n\t "
"RowsInMem=[%d] \n\t",
percentiles[0], percentiles[1], percentiles[2], percentiles[3], percentiles[4], percentiles[5],
percentiles[6], percentiles[7], percentiles[8], percentiles[9], percentiles[10], percentiles[11],
min, max, avg, stdDev,
totalRows, totalBlocks, smallBlocks, totalLen/1024.0, compRatio,
min, max, avg, stdDev, totalRows, totalBlocks, smallBlocks, totalLen / 1024.0, compRatio,
pTableBlockDist->numOfRowsInMemTable);
varDataSetLen(result, sz);
UNUSED(sz);
}
void blockinfo_func_finalizer(SQLFunctionCtx* pCtx) {
void blockinfo_func_finalizer(SQLFunctionCtx *pCtx) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STableBlockDist* pDist = (STableBlockDist*) GET_ROWCELL_INTERBUF(pResInfo);
STableBlockDist * pDist = (STableBlockDist *)GET_ROWCELL_INTERBUF(pResInfo);
pDist->rowSize = (uint16_t)pCtx->param[0].i64;
generateBlockDistResult(pDist, pCtx->pOutput);
......@@ -4269,16 +4396,47 @@ void blockinfo_func_finalizer(SQLFunctionCtx* pCtx) {
*/
int32_t functionCompatList[] = {
// count, sum, avg, min, max, stddev, percentile, apercentile, first, last
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
// last_row,top, bottom, spread, twa, leastsqr, ts, ts_dummy, tag_dummy, ts_comp
4, -1, -1, 1, 1, 1, 1, 1, 1, -1,
4,
-1,
-1,
1,
1,
1,
1,
1,
1,
-1,
// tag, colprj, tagprj, arithmetic, diff, first_dist, last_dist, stddev_dst, interp rate irate
1, 1, 1, 1, -1, 1, 1, 1, 5, 1, 1,
1,
1,
1,
1,
-1,
1,
1,
1,
5,
1,
1,
// tid_tag, derivative, blk_info
6, 8, 7,
6,
8,
7,
};
SAggFunctionInfo aAggs[] = {{
SAggFunctionInfo aAggs[] = {
{
// 0, count function does not invoke the finalize function
"count",
TSDB_FUNC_COUNT,
......@@ -4623,7 +4781,7 @@ SAggFunctionInfo aAggs[] = {{
"interp",
TSDB_FUNC_INTERP,
TSDB_FUNC_INTERP,
TSDB_FUNCSTATE_SO | TSDB_FUNCSTATE_OF | TSDB_FUNCSTATE_STABLE | TSDB_FUNCSTATE_NEED_TS ,
TSDB_FUNCSTATE_SO | TSDB_FUNCSTATE_OF | TSDB_FUNCSTATE_STABLE | TSDB_FUNCSTATE_NEED_TS,
function_setup,
interp_function,
doFinalizer,
......@@ -4666,7 +4824,8 @@ SAggFunctionInfo aAggs[] = {{
noop1,
dataBlockRequired,
},
{ //32
{
// 32
"derivative", // return table id and the corresponding tags for join match and subscribe
TSDB_FUNC_DERIVATIVE,
TSDB_FUNC_INVALID_ID,
......
src/query/src/tdigest.c 0 → 100644
浏览文件 @ 17d698c1
/*
* src/tdigest.c
*
* Implementation of the t-digest data structure used to compute accurate percentiles.
*
* It is based on the MergingDigest implementation found at:
* https://github.com/tdunning/t-digest/blob/master/src/main/java/com/tdunning/math/stats/MergingDigest.java
*
* Copyright (c) 2016, Usman Masood <usmanm at fastmail dot fm>
*/
#include <ctype.h>
#include <float.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tdigest.h"
#define INTERPOLATE(x, x0, x1) (((x) - (x0)) / ((x1) - (x0)))
#define INTEGRATED_LOCATION(compression, q) ((compression) * (asin(2 * (q) - 1) + M_PI / 2) / M_PI)
#define FLOAT_EQ(f1, f2) (fabs((f1) - (f2)) <= FLT_EPSILON)
/* From http://stackoverflow.com/questions/3437404/min-and-max-in-c */
#define MAX(a,b) \
({ __typeof__ (a) _a = (a); \
__typeof__ (b) _b = (b); \
_a > _b ? _a : _b; })
#define MIN(a,b) \
({ __typeof__ (a) _a = (a); \
__typeof__ (b) _b = (b); \
_a < _b ? _a : _b; })
struct TDigest *tdigestNew(int compression) {
struct TDigest *t = malloc(sizeof(struct TDigest));
memset(t, 0, sizeof(struct TDigest));
t->compression = compression;
t->size = ceil(compression * M_PI / 2) + 1;
t->threshold = 7.5 + 0.37 * compression - 2e-4 * pow(compression, 2);
t->min = INFINITY;
return t;
}
static int centroid_cmp(const void *a, const void *b) {
struct Centroid *c1 = (struct Centroid *) a;
struct Centroid *c2 = (struct Centroid *) b;
if (c1->mean < c2->mean)
return -1;
if (c1->mean > c2->mean)
return 1;
return 0;
}
struct MergeArgs {
struct TDigest *t;
struct Centroid *centroids;
int idx;
double weight_so_far;
double k1;
double min;
double max;
};
static void merge_centroid(struct MergeArgs *args, struct Centroid *merge) {
double k2;
struct Centroid *c = &args->centroids[args->idx];
args->weight_so_far += merge->weight;
k2 = INTEGRATED_LOCATION(args->t->compression,
args->weight_so_far / args->t->total_weight);
if (k2 - args->k1 > 1 && c->weight > 0) {
args->idx++;
args->k1 = INTEGRATED_LOCATION(args->t->compression,
(args->weight_so_far - merge->weight) / args->t->total_weight);
}
c = &args->centroids[args->idx];
c->weight += merge->weight;
c->mean += (merge->mean - c->mean) * merge->weight / c->weight;
if (merge->weight > 0) {
args->min = MIN(merge->mean, args->min);
args->max = MAX(merge->mean, args->max);
}
}
void tdigestCompress(struct TDigest *t) {
struct Centroid *unmerged_centroids;
long long unmerged_weight = 0;
int num_unmerged = t->num_buffered_pts;
int old_num_centroids = t->num_centroids;
int i, j;
struct MergeArgs args;
if (!t->num_buffered_pts)
return;
unmerged_centroids = malloc(sizeof(struct Centroid) * t->num_buffered_pts);
i = 0;
for (i = 0; i < num_unmerged; i++) {
struct Point *p = t->buffered_pts;
struct Centroid *c = &unmerged_centroids[i];
c->mean = p->value;
c->weight = p->weight;
unmerged_weight += c->weight;
t->buffered_pts = p->next;
free(p);
}
t->num_buffered_pts = 0;
t->total_weight += unmerged_weight;
qsort(unmerged_centroids, num_unmerged, sizeof(struct Centroid),
centroid_cmp);
memset(&args, 0, sizeof(struct MergeArgs));
args.centroids = malloc(sizeof(struct Centroid) * t->size);
memset(args.centroids, 0, sizeof(struct Centroid) * t->size);
args.t = t;
args.min = INFINITY;
i = 0;
j = 0;
while (i < num_unmerged && j < t->num_centroids) {
struct Centroid *a = &unmerged_centroids[i];
struct Centroid *b = &t->centroids[j];
if (a->mean <= b->mean) {
merge_centroid(&args, a);
i++;
} else {
merge_centroid(&args, b);
j++;
}
}
while (i < num_unmerged)
merge_centroid(&args, &unmerged_centroids[i++]);
free(unmerged_centroids);
while (j < t->num_centroids)
merge_centroid(&args, &t->centroids[j++]);
if (t->total_weight > 0) {
t->min = MIN(t->min, args.min);
if (args.centroids[args.idx].weight <= 0)
args.idx--;
t->num_centroids = args.idx + 1;
t->max = MAX(t->max, args.max);
}
if (t->num_centroids > old_num_centroids) {
t->centroids = realloc(t->centroids,
sizeof(struct Centroid) * t->num_centroids);
}
memcpy(t->centroids, args.centroids,
sizeof(struct Centroid) * t->num_centroids);
free(args.centroids);
}
void tdigestAdd(struct TDigest *t, double x, long long w) {
if (w == 0)
return;
struct Point *p = malloc(sizeof(struct Point));
p->value = x;
p->weight = w;
p->next = t->buffered_pts;
t->buffered_pts = p;
t->num_buffered_pts++;
if (t->num_buffered_pts > t->threshold)
tdigestCompress(t);
}
double tdigestCDF(struct TDigest *t, double x) {
if (t == NULL)
return 0;
int i;
double left, right;
long long weight_so_far;
struct Centroid *a, *b, tmp;
tdigestCompress(t);
if (t->num_centroids == 0)
return NAN;
if (x < t->min)
return 0;
if (x > t->max)
return 1;
if (t->num_centroids == 1) {
if (FLOAT_EQ(t->max, t->min))
return 0.5;
return INTERPOLATE(x, t->min, t->max);
}
weight_so_far = 0;
a = b = &tmp;
b->mean = t->min;
b->weight = 0;
right = 0;
for (i = 0; i < t->num_centroids; i++) {
struct Centroid *c = &t->centroids[i];
left = b->mean - (a->mean + right);
a = b;
b = c;
right = (b->mean - a->mean) * a->weight / (a->weight + b->weight);
if (x < a->mean + right) {
double cdf = (weight_so_far
+ a->weight
* INTERPOLATE(x, a->mean - left, a->mean + right))
/ t->total_weight;
return MAX(cdf, 0.0);
}
weight_so_far += a->weight;
}
left = b->mean - (a->mean + right);
a = b;
right = t->max - a->mean;
if (x < a->mean + right)
return (weight_so_far
+ a->weight * INTERPOLATE(x, a->mean - left, a->mean + right))
/ t->total_weight;
return 1;
}
double tdigestQuantile(struct TDigest *t, double q) {
if (t == NULL)
return 0;
int i;
double left, right, idx;
long long weight_so_far;
struct Centroid *a, *b, tmp;
tdigestCompress(t);
if (t->num_centroids == 0)
return NAN;
if (t->num_centroids == 1)
return t->centroids[0].mean;
if (FLOAT_EQ(q, 0.0))
return t->min;
if (FLOAT_EQ(q, 1.0))
return t->max;
idx = q * t->total_weight;
weight_so_far = 0;
b = &tmp;
b->mean = t->min;
b->weight = 0;
right = t->min;
for (i = 0; i < t->num_centroids; i++) {
struct Centroid *c = &t->centroids[i];
a = b;
left = right;
b = c;
right = (b->weight * a->mean + a->weight * b->mean)
/ (a->weight + b->weight);
if (idx < weight_so_far + a->weight) {
double p = (idx - weight_so_far) / a->weight;
return left * (1 - p) + right * p;
}
weight_so_far += a->weight;
}
left = right;
a = b;
right = t->max;
if (idx < weight_so_far + a->weight) {
double p = (idx - weight_so_far) / a->weight;
return left * (1 - p) + right * p;
}
return t->max;
}
void tdigestMerge(struct TDigest *t1, struct TDigest *t2) {
int i = t2->num_buffered_pts;
struct Point *p = t2->buffered_pts;
while (i) {
tdigestAdd(t1, p->value, p->weight);
p = p->next;
i--;
}
for (i = 0; i < t2->num_centroids; i++) {
tdigestAdd(t1, t2->centroids[i].mean, t2->centroids[i].weight);
}
}
void tdigestFree(struct TDigest *t) {
while (t->buffered_pts) {
struct Point *p = t->buffered_pts;
t->buffered_pts = t->buffered_pts->next;
free(p);
}
if (t->centroids)
free(t->centroids);
free(t);
}
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