xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

[TD-2129]<fix>: fix bugs in twa query.

This commit is contained in:
Haojun Liao 2020-11-25 17:38:20 +08:00
parent 1b8256013c
commit 55a455a854
2 changed files with 113 additions and 117 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

216
src/client/src/tscFunctionImpl.c
View File

@ -3624,7 +3624,7 @@ static bool twa_function_setup(SQLFunctionCtx *pCtx) {
return false;
}
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx); //->aOutputBuf + pCtx->outputBytes;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STwaInfo * pInfo = GET_ROWCELL_INTERBUF(pResInfo);
pInfo->lastKey = INT64_MIN;
@ -3633,43 +3633,116 @@ static bool twa_function_setup(SQLFunctionCtx *pCtx) {
return true;
}
static FORCE_INLINE void setTWALastVal(SQLFunctionCtx *pCtx, const char *data, int32_t i, STwaInfo *pInfo) {
switch (pCtx->inputType) {
case TSDB_DATA_TYPE_INT:
pInfo->iLastValue = GET_INT32_VAL(data + pCtx->inputBytes * i);
break;
case TSDB_DATA_TYPE_TINYINT:
pInfo->iLastValue = GET_INT8_VAL(data + pCtx->inputBytes * i);
break;
case TSDB_DATA_TYPE_SMALLINT:
pInfo->iLastValue = GET_INT16_VAL(data + pCtx->inputBytes * i);
break;
case TSDB_DATA_TYPE_BIGINT:
pInfo->iLastValue = GET_INT64_VAL(data + pCtx->inputBytes * i);
break;
case TSDB_DATA_TYPE_FLOAT:
pInfo->dLastValue = GET_FLOAT_VAL(data + pCtx->inputBytes * i);
break;
case TSDB_DATA_TYPE_DOUBLE:
pInfo->dLastValue = GET_DOUBLE_VAL(data + pCtx->inputBytes * i);
break;
default:
assert(0);
static int32_t twa_function_impl(SQLFunctionCtx* pCtx, int32_t index, int32_t size) {
int32_t notNullElems = 0;
TSKEY *primaryKey = pCtx->ptsList;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STwaInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
if (pInfo->lastKey == INT64_MIN) {
pInfo->lastKey = pCtx->nStartQueryTimestamp;
GET_TYPED_DATA(pInfo->lastValue, double, pCtx->inputType, GET_INPUT_CHAR_INDEX(pCtx, 0));
pInfo->hasResult = DATA_SET_FLAG;
notNullElems++;
}
int32_t i = index;
// calculate the value of
switch(pCtx->inputType) {
case TSDB_DATA_TYPE_TINYINT: {
int8_t *val = (int8_t*) GET_INPUT_CHAR_INDEX(pCtx, index);
for (++i; i < size; i++) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
continue;
}
pInfo->dOutput += ((val[i] + pInfo->lastValue) / 2) * (primaryKey[i] - pInfo->lastKey);
pInfo->lastValue = val[i];
pInfo->lastKey = primaryKey[i];
}
break;
}
case TSDB_DATA_TYPE_SMALLINT: {
int16_t *val = (int16_t*) GET_INPUT_CHAR_INDEX(pCtx, index);
for (++i; i < size; i++) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
continue;
}
pInfo->dOutput += ((val[i] + pInfo->lastValue) / 2) * (primaryKey[i] - pInfo->lastKey);
pInfo->lastValue = val[i];
pInfo->lastKey = primaryKey[i];
}
break;
}
case TSDB_DATA_TYPE_INT: {
int32_t *val = (int32_t*) GET_INPUT_CHAR_INDEX(pCtx, index);
for (++i; i < size; i++) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
continue;
}
pInfo->dOutput += ((val[i] + pInfo->lastValue) / 2) * (primaryKey[i] - pInfo->lastKey);
pInfo->lastValue = val[i];
pInfo->lastKey = primaryKey[i];
}
break;
}
case TSDB_DATA_TYPE_BIGINT: {
int64_t *val = (int64_t*) GET_INPUT_CHAR_INDEX(pCtx, index);
for (++i; i < size; i++) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
continue;
}
pInfo->dOutput += ((val[i] + pInfo->lastValue) / 2) * (primaryKey[i] - pInfo->lastKey);
pInfo->lastValue = val[i];
pInfo->lastKey = primaryKey[i];
}
break;
}
case TSDB_DATA_TYPE_FLOAT: {
float *val = (float*) GET_INPUT_CHAR_INDEX(pCtx, index);
for (++i; i < size; i++) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
continue;
}
pInfo->dOutput += ((val[i] + pInfo->lastValue) / 2) * (primaryKey[i] - pInfo->lastKey);
pInfo->lastValue = val[i];
pInfo->lastKey = primaryKey[i];
}
break;
}
case TSDB_DATA_TYPE_DOUBLE: {
double *val = (double*) GET_INPUT_CHAR_INDEX(pCtx, index);
for (++i; i < size; i++) {
if (pCtx->hasNull && isNull((const char*) &val[i], pCtx->inputType)) {
continue;
}
pInfo->dOutput += ((val[i] + pInfo->lastValue) / 2) * (primaryKey[i] - pInfo->lastKey);
pInfo->lastValue = val[i];
pInfo->lastKey = primaryKey[i];
}
break;
}
default: assert(0);
}
return notNullElems;
}
static void twa_function(SQLFunctionCtx *pCtx) {
void * data = GET_INPUT_CHAR(pCtx);
TSKEY *primaryKey = pCtx->ptsList;
int32_t notNullElems = 0;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STwaInfo * pInfo = GET_ROWCELL_INTERBUF(pResInfo);
int32_t i = 0;
// skip null value
int32_t i = 0;
while (pCtx->hasNull && i < pCtx->size && isNull((char *)data + pCtx->inputBytes * i, pCtx->inputType)) {
i++;
}
@ -3678,40 +3751,7 @@ static void twa_function(SQLFunctionCtx *pCtx) {
return;
}
if (pInfo->lastKey == INT64_MIN) {
pInfo->lastKey = pCtx->nStartQueryTimestamp;
setTWALastVal(pCtx, data, i, pInfo);
pInfo->hasResult = DATA_SET_FLAG;
}
notNullElems++;
if (pCtx->inputType == TSDB_DATA_TYPE_FLOAT || pCtx->inputType == TSDB_DATA_TYPE_DOUBLE) {
pInfo->dOutput += pInfo->dLastValue * (primaryKey[i] - pInfo->lastKey);
} else {
pInfo->iOutput += pInfo->iLastValue * (primaryKey[i] - pInfo->lastKey);
}
pInfo->lastKey = primaryKey[i];
setTWALastVal(pCtx, data, i, pInfo);
for (++i; i < pCtx->size; i++) {
if (pCtx->hasNull && isNull((char *)data + pCtx->inputBytes * i, pCtx->inputType)) {
continue;
}
notNullElems++;
if (pCtx->inputType == TSDB_DATA_TYPE_FLOAT || pCtx->inputType == TSDB_DATA_TYPE_DOUBLE) {
pInfo->dOutput += pInfo->dLastValue * (primaryKey[i] - pInfo->lastKey);
} else {
pInfo->iOutput += pInfo->iLastValue * (primaryKey[i] - pInfo->lastKey);
}
pInfo->lastKey = primaryKey[i];
setTWALastVal(pCtx, data, i, pInfo);
}
int32_t notNullElems = twa_function_impl(pCtx, 0, pCtx->size);
SET_VAL(pCtx, notNullElems, 1);
if (notNullElems > 0) {
@ -3721,8 +3761,6 @@ static void twa_function(SQLFunctionCtx *pCtx) {
if (pCtx->stableQuery) {
memcpy(pCtx->aOutputBuf, pInfo, sizeof(STwaInfo));
}
// pCtx->numOfIteratedElems += notNullElems;
}
static void twa_function_f(SQLFunctionCtx *pCtx, int32_t index) {
@ -3730,35 +3768,12 @@ static void twa_function_f(SQLFunctionCtx *pCtx, int32_t index) {
if (pCtx->hasNull && isNull(pData, pCtx->inputType)) {
return;
}
SET_VAL(pCtx, 1, 1);
TSKEY *primaryKey = pCtx->ptsList;
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
STwaInfo *pInfo = GET_ROWCELL_INTERBUF(pResInfo);
if (pInfo->lastKey == INT64_MIN) {
pInfo->lastKey = pCtx->nStartQueryTimestamp;
setTWALastVal(pCtx, pData, 0, pInfo);
pInfo->hasResult = DATA_SET_FLAG;
}
if (pCtx->inputType == TSDB_DATA_TYPE_FLOAT || pCtx->inputType == TSDB_DATA_TYPE_DOUBLE) {
pInfo->dOutput += pInfo->dLastValue * (primaryKey[index] - pInfo->lastKey);
} else {
pInfo->iOutput += pInfo->iLastValue * (primaryKey[index] - pInfo->lastKey);
}
// record the last key/value
pInfo->lastKey = primaryKey[index];
setTWALastVal(pCtx, pData, 0, pInfo);
// pCtx->numOfIteratedElems += 1;
pResInfo->hasResult = DATA_SET_FLAG;
int32_t notNullElems = twa_function_impl(pCtx, index, 1);
SET_VAL(pCtx, notNullElems, 1);
if (pCtx->stableQuery) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
memcpy(pCtx->aOutputBuf, GET_ROWCELL_INTERBUF(pResInfo), sizeof(STwaInfo));
}
}
@ -3778,16 +3793,11 @@ static void twa_func_merge(SQLFunctionCtx *pCtx) {
}
numOfNotNull++;
if (pCtx->inputType >= TSDB_DATA_TYPE_TINYINT && pCtx->inputType <= TSDB_DATA_TYPE_BIGINT) {
pBuf->iOutput += pInput->iOutput;
} else {
pBuf->dOutput += pInput->dOutput;
}
pBuf->dOutput += pInput->dOutput;
pBuf->SKey = pInput->SKey;
pBuf->EKey = pInput->EKey;
pBuf->lastKey = pInput->lastKey;
pBuf->iLastValue = pInput->iLastValue;
}
SET_VAL(pCtx, numOfNotNull, 1);
@ -3822,12 +3832,8 @@ void twa_function_finalizer(SQLFunctionCtx *pCtx) {
}
if (pInfo->SKey == pInfo->EKey) {
*(double *)pCtx->aOutputBuf = 0;
} else if (pInfo->type >= TSDB_DATA_TYPE_TINYINT && pInfo->type <= TSDB_DATA_TYPE_BIGINT) {
pInfo->iOutput += pInfo->iLastValue * (pInfo->EKey - pInfo->lastKey);
*(double *)pCtx->aOutputBuf = pInfo->iOutput / (double)(pInfo->EKey - pInfo->SKey);
*(double *)pCtx->aOutputBuf = pInfo->lastValue;
} else {
pInfo->dOutput += pInfo->dLastValue * (pInfo->EKey - pInfo->lastKey);
*(double *)pCtx->aOutputBuf = pInfo->dOutput / (pInfo->EKey - pInfo->SKey);
}

14
src/query/inc/tsqlfunction.h
View File

@ -248,16 +248,8 @@ typedef struct STwaInfo {
int16_t type; // source data type
TSKEY SKey;
TSKEY EKey;
union {
double dOutput;
int64_t iOutput;
};
union {
double dLastValue;
int64_t iLastValue;
};
double dOutput;
double lastValue;
} STwaInfo;
/* global sql function array */
@ -276,8 +268,6 @@ bool topbot_datablock_filter(SQLFunctionCtx *pCtx, int32_t functionId, const cha
(_r)->initialized = false; \
} while (0)
//void setResultInfoBuf(SResultRowCellInfo *pResInfo, char* buf);
static FORCE_INLINE void initResultInfo(SResultRowCellInfo *pResInfo, uint32_t bufLen) {
pResInfo->initialized = true; // the this struct has been initialized flag