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Merge pull request #14888 from taosdata/feat/agg_client_api 

feat(query): add sum/count/max/min function scalar version
This commit is contained in:
Ganlin Zhao 2022-07-14 19:09:30 +08:00 committed by GitHub
parent 865eb8eff1 00f3cac9fc
commit 98e542f884
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 292 additions and 34 deletions
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80
include/common/ttypes.h
View File

@ -143,6 +143,86 @@ typedef struct {
} \
} while (0)
#define SET_TYPED_DATA_MIN(_v, _type) \
do { \
switch (_type) { \
case TSDB_DATA_TYPE_BOOL: \
case TSDB_DATA_TYPE_TINYINT: \
*(int8_t *)(_v) = INT8_MIN; \
break; \
case TSDB_DATA_TYPE_SMALLINT: \
*(int16_t *)(_v) = INT16_MIN; \
break; \
case TSDB_DATA_TYPE_INT: \
*(int32_t *)(_v) = INT32_MIN; \
break; \
case TSDB_DATA_TYPE_BIGINT: \
case TSDB_DATA_TYPE_TIMESTAMP: \
*(int64_t *)(_v) = INT64_MIN; \
break; \
case TSDB_DATA_TYPE_FLOAT: \
*(float *)(_v) = FLT_MIN; \
break; \
case TSDB_DATA_TYPE_DOUBLE: \
*(double *)(_v) = DBL_MIN; \
break; \
case TSDB_DATA_TYPE_UTINYINT: \
*(uint8_t *)(_v) = 0; \
break; \
case TSDB_DATA_TYPE_USMALLINT: \
*(uint16_t *)(_v) = 0; \
break; \
case TSDB_DATA_TYPE_UBIGINT: \
*(uint64_t *)(_v) = 0; \
break; \
case TSDB_DATA_TYPE_UINT: \
*(uint32_t *)(_v) = 0; \
break; \
default: \
break; \
} \
} while (0)
#define SET_TYPED_DATA_MAX(_v, _type) \
do { \
switch (_type) { \
case TSDB_DATA_TYPE_BOOL: \
case TSDB_DATA_TYPE_TINYINT: \
*(int8_t *)(_v) = INT8_MAX; \
break; \
case TSDB_DATA_TYPE_SMALLINT: \
*(int16_t *)(_v) = INT16_MAX; \
break; \
case TSDB_DATA_TYPE_INT: \
*(int32_t *)(_v) = INT32_MAX; \
break; \
case TSDB_DATA_TYPE_BIGINT: \
case TSDB_DATA_TYPE_TIMESTAMP: \
*(int64_t *)(_v) = INT64_MAX; \
break; \
case TSDB_DATA_TYPE_FLOAT: \
*(float *)(_v) = FLT_MAX; \
break; \
case TSDB_DATA_TYPE_DOUBLE: \
*(double *)(_v) = DBL_MAX; \
break; \
case TSDB_DATA_TYPE_UTINYINT: \
*(uint8_t *)(_v) = UINT8_MAX; \
break; \
case TSDB_DATA_TYPE_USMALLINT: \
*(uint16_t *)(_v) = UINT16_MAX; \
break; \
case TSDB_DATA_TYPE_UINT: \
*(uint32_t *)(_v) = UINT32_MAX; \
break; \
case TSDB_DATA_TYPE_UBIGINT: \
*(uint64_t *)(_v) = UINT64_MAX; \
break; \
default: \
break; \
} \
} while (0)
#define NUM_TO_STRING(_inputType, _input, _outputBytes, _output) \
do { \
switch (_inputType) { \

6
include/libs/scalar/scalar.h
View File

@ -96,6 +96,12 @@ int32_t qEndTsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
int32_t qTbnameFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
/* Aggregation functions */
int32_t countScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t sumScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t minScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t maxScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
#ifdef __cplusplus
}
#endif

4
source/libs/function/src/builtins.c
View File

@ -1886,6 +1886,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getCountFuncEnv,
.initFunc = functionSetup,
.processFunc = countFunction,
.sprocessFunc = countScalarFunction,
.finalizeFunc = functionFinalize,
.invertFunc = countInvertFunction,
.combineFunc = combineFunction,
@ -1901,6 +1902,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getSumFuncEnv,
.initFunc = functionSetup,
.processFunc = sumFunction,
.sprocessFunc = sumScalarFunction,
.finalizeFunc = functionFinalize,
.invertFunc = sumInvertFunction,
.combineFunc = sumCombine,
@ -1916,6 +1918,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getMinmaxFuncEnv,
.initFunc = minmaxFunctionSetup,
.processFunc = minFunction,
.sprocessFunc = minScalarFunction,
.finalizeFunc = minmaxFunctionFinalize,
.combineFunc = minCombine,
.pPartialFunc = "min",
@ -1930,6 +1933,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getMinmaxFuncEnv,
.initFunc = minmaxFunctionSetup,
.processFunc = maxFunction,
.sprocessFunc = maxScalarFunction,
.finalizeFunc = minmaxFunctionFinalize,
.combineFunc = maxCombine,
.pPartialFunc = "max",

69
source/libs/scalar/src/scalar.c
View File

@ -11,7 +11,7 @@
#include "ttime.h"
int32_t scalarGetOperatorParamNum(EOperatorType type) {
if (OP_TYPE_IS_NULL == type || OP_TYPE_IS_NOT_NULL == type || OP_TYPE_IS_TRUE == type || OP_TYPE_IS_NOT_TRUE == type
if (OP_TYPE_IS_NULL == type || OP_TYPE_IS_NOT_NULL == type || OP_TYPE_IS_TRUE == type || OP_TYPE_IS_NOT_TRUE == type
|| OP_TYPE_IS_FALSE == type || OP_TYPE_IS_NOT_FALSE == type || OP_TYPE_IS_UNKNOWN == type || OP_TYPE_IS_NOT_UNKNOWN == type
|| OP_TYPE_MINUS == type) {
return 1;
@ -28,7 +28,7 @@ int32_t sclConvertToTsValueNode(int8_t precision, SValueNode* valueNode) {
}
taosMemoryFree(timeStr);
valueNode->typeData = valueNode->datum.i;
valueNode->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
valueNode->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes;
@ -82,7 +82,7 @@ int32_t scalarGenerateSetFromList(void **data, void *pNode, uint32_t type) {
SCL_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
taosHashSetEqualFp(pObj, taosGetDefaultEqualFunction(type));
taosHashSetEqualFp(pObj, taosGetDefaultEqualFunction(type));
int32_t code = 0;
SNodeListNode *nodeList = (SNodeListNode *)pNode;
@ -91,10 +91,10 @@ int32_t scalarGenerateSetFromList(void **data, void *pNode, uint32_t type) {
int32_t len = 0;
void *buf = NULL;
for (int32_t i = 0; i < nodeList->pNodeList->length; ++i) {
SValueNode *valueNode = (SValueNode *)cell->pNode;
if (valueNode->node.resType.type != type) {
out.columnData->info.type = type;
if (IS_VAR_DATA_TYPE(type)) {
@ -134,7 +134,7 @@ int32_t scalarGenerateSetFromList(void **data, void *pNode, uint32_t type) {
len = valueNode->node.resType.bytes;
}
}
if (taosHashPut(pObj, buf, (size_t)len, NULL, 0)) {
sclError("taosHashPut to set failed");
SCL_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@ -180,7 +180,7 @@ int32_t sclCopyValueNodeValue(SValueNode *pNode, void **res) {
if (TSDB_DATA_TYPE_NULL == pNode->node.resType.type) {
return TSDB_CODE_SUCCESS;
}
*res = taosMemoryMalloc(pNode->node.resType.bytes);
if (NULL == (*res)) {
sclError("malloc %d failed", pNode->node.resType.bytes);
@ -222,14 +222,14 @@ int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t
if (type == 0) {
type = nodeList->dataType.type;
}
SCL_ERR_RET(scalarGenerateSetFromList((void **)&param->pHashFilter, node, type));
param->hashValueType = type;
if (taosHashPut(ctx->pRes, &node, POINTER_BYTES, param, sizeof(*param))) {
taosHashCleanup(param->pHashFilter);
sclError("taosHashPut nodeList failed, size:%d", (int32_t)sizeof(*param));
return TSDB_CODE_QRY_OUT_OF_MEMORY;
}
}
break;
}
case QUERY_NODE_COLUMN: {
@ -237,7 +237,7 @@ int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t
sclError("invalid node type for constant calculating, type:%d, src:%p", nodeType(node), ctx->pBlockList);
SCL_ERR_RET(TSDB_CODE_QRY_APP_ERROR);
}
SColumnNode *ref = (SColumnNode *)node;
int32_t index = -1;
@ -285,7 +285,7 @@ int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t
sclError("different row nums, rowNum:%d, newRowNum:%d", *rowNum, param->numOfRows);
SCL_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
}
*rowNum = param->numOfRows;
}
@ -293,7 +293,7 @@ int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t
return TSDB_CODE_SUCCESS;
}
int32_t sclInitParamList(SScalarParam **pParams, SNodeList* pParamList, SScalarCtx *ctx, int32_t *paramNum, int32_t *rowNum) {
int32_t sclInitParamList(SScalarParam **pParams, SNodeList* pParamList, SScalarCtx *ctx, int32_t *paramNum, int32_t *rowNum) {
int32_t code = 0;
if (NULL == pParamList) {
if (ctx->pBlockList) {
@ -318,18 +318,18 @@ int32_t sclInitParamList(SScalarParam **pParams, SNodeList* pParamList, SScalarC
SNode *tnode = NULL;
int32_t i = 0;
if (SCL_IS_CONST_CALC(ctx)) {
WHERE_EACH (tnode, pParamList) {
WHERE_EACH (tnode, pParamList) {
if (!SCL_IS_CONST_NODE(tnode)) {
WHERE_NEXT;
} else {
SCL_ERR_JRET(sclInitParam(tnode, &paramList[i], ctx, rowNum));
ERASE_NODE(pParamList);
}
++i;
}
} else {
FOREACH(tnode, pParamList) {
FOREACH(tnode, pParamList) {
SCL_ERR_JRET(sclInitParam(tnode, &paramList[i], ctx, rowNum));
++i;
}
@ -339,7 +339,7 @@ int32_t sclInitParamList(SScalarParam **pParams, SNodeList* pParamList, SScalarC
}
if (0 == *rowNum) {
taosMemoryFreeClear(paramList);
taosMemoryFreeClear(paramList);
}
*pParams = paramList;
@ -354,7 +354,7 @@ int32_t sclGetNodeType(SNode *pNode, SScalarCtx *ctx) {
if (NULL == pNode) {
return -1;
}
switch ((int)nodeType(pNode)) {
case QUERY_NODE_VALUE: {
SValueNode *valueNode = (SValueNode *)pNode;
@ -397,7 +397,7 @@ int32_t sclInitOperatorParams(SScalarParam **pParams, SOperatorNode *node, SScal
sclError("invalid operation node, left:%p, right:%p", node->pLeft, node->pRight);
SCL_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
}
SScalarParam *paramList = taosMemoryCalloc(paramNum, sizeof(SScalarParam));
if (NULL == paramList) {
sclError("calloc %d failed", (int32_t)(paramNum * sizeof(SScalarParam)));
@ -440,7 +440,7 @@ int32_t sclExecFunction(SFunctionNode *node, SScalarCtx *ctx, SScalarParam *outp
sclError("fmGetFuncExecFuncs failed, funcId:%d, code:%s", node->funcId, tstrerror(code));
SCL_ERR_JRET(code);
}
code = sclCreateColumnInfoData(&node->node.resType, rowNum, output);
if (code != TSDB_CODE_SUCCESS) {
SCL_ERR_JRET(code);
@ -588,27 +588,27 @@ EDealRes sclRewriteNullInOptr(SNode** pNode, SScalarCtx *ctx, EOperatorType opTy
if (opType <= OP_TYPE_CALC_MAX) {
SValueNode *res = (SValueNode *)nodesMakeNode(QUERY_NODE_VALUE);
if (NULL == res) {
sclError("make value node failed");
sclError("make value node failed");
ctx->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return DEAL_RES_ERROR;
}
res->node.resType.type = TSDB_DATA_TYPE_NULL;
nodesDestroyNode(*pNode);
*pNode = (SNode*)res;
} else {
SValueNode *res = (SValueNode *)nodesMakeNode(QUERY_NODE_VALUE);
if (NULL == res) {
sclError("make value node failed");
sclError("make value node failed");
ctx->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return DEAL_RES_ERROR;
}
res->node.resType.type = TSDB_DATA_TYPE_BOOL;
res->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
res->datum.b = false;
nodesDestroyNode(*pNode);
*pNode = (SNode*)res;
}
@ -641,12 +641,12 @@ EDealRes sclRewriteNonConstOperator(SNode** pNode, SScalarCtx *ctx) {
if (node->pLeft && (QUERY_NODE_VALUE == nodeType(node->pLeft))) {
SValueNode *valueNode = (SValueNode *)node->pLeft;
if (SCL_IS_NULL_VALUE_NODE(valueNode) && (node->opType != OP_TYPE_IS_NULL && node->opType != OP_TYPE_IS_NOT_NULL)
if (SCL_IS_NULL_VALUE_NODE(valueNode) && (node->opType != OP_TYPE_IS_NULL && node->opType != OP_TYPE_IS_NOT_NULL)
&& (!sclContainsAggFuncNode(node->pRight))) {
return sclRewriteNullInOptr(pNode, ctx, node->opType);
}
if (IS_STR_DATA_TYPE(valueNode->node.resType.type) && node->pRight && nodesIsExprNode(node->pRight)
if (IS_STR_DATA_TYPE(valueNode->node.resType.type) && node->pRight && nodesIsExprNode(node->pRight)
&& ((SExprNode*)node->pRight)->resType.type == TSDB_DATA_TYPE_TIMESTAMP) {
code = sclConvertToTsValueNode(((SExprNode*)node->pRight)->resType.precision, valueNode);
if (code) {
@ -663,7 +663,7 @@ EDealRes sclRewriteNonConstOperator(SNode** pNode, SScalarCtx *ctx) {
return sclRewriteNullInOptr(pNode, ctx, node->opType);
}
if (IS_STR_DATA_TYPE(valueNode->node.resType.type) && node->pLeft && nodesIsExprNode(node->pLeft)
if (IS_STR_DATA_TYPE(valueNode->node.resType.type) && node->pLeft && nodesIsExprNode(node->pLeft)
&& ((SExprNode*)node->pLeft)->resType.type == TSDB_DATA_TYPE_TIMESTAMP) {
code = sclConvertToTsValueNode(((SExprNode*)node->pLeft)->resType.precision, valueNode);
if (code) {
@ -728,8 +728,9 @@ EDealRes sclRewriteFunction(SNode** pNode, SScalarCtx *ctx) {
res->translate = true;
if (colDataIsNull_s(output.columnData, 0)) {
res->node.resType.type = TSDB_DATA_TYPE_NULL;
res->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
res->isNull = true;
//res->node.resType.type = TSDB_DATA_TYPE_NULL;
//res->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
} else {
res->node.resType.type = output.columnData->info.type;
res->node.resType.bytes = output.columnData->info.bytes;
@ -832,7 +833,7 @@ EDealRes sclRewriteOperator(SNode** pNode, SScalarCtx *ctx) {
res->datum.p = output.columnData->pData;
output.columnData->pData = NULL;
} else {
nodesSetValueNodeValue(res, output.columnData->pData);
nodesSetValueNodeValue(res, output.columnData->pData);
}
}
@ -899,7 +900,7 @@ EDealRes sclWalkLogic(SNode* pNode, SScalarCtx *ctx) {
EDealRes sclWalkOperator(SNode* pNode, SScalarCtx *ctx) {
SOperatorNode *node = (SOperatorNode *)pNode;
SScalarParam output = {0};
ctx->code = sclExecOperator(node, ctx, &output);
if (ctx->code) {
return DEAL_RES_ERROR;
@ -1023,7 +1024,7 @@ int32_t sclCalcConstants(SNode *pNode, bool dual, SNode **pRes) {
sclError("taosHashInit failed, num:%d", SCL_DEFAULT_OP_NUM);
SCL_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
nodesRewriteExprPostOrder(&pNode, sclConstantsRewriter, (void *)&ctx);
SCL_ERR_JRET(ctx.code);
*pRes = pNode;
@ -1125,7 +1126,7 @@ int32_t scalarCalculate(SNode *pNode, SArray *pBlockList, SScalarParam *pDst) {
sclError("taosHashInit failed, num:%d", SCL_DEFAULT_OP_NUM);
SCL_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
nodesWalkExprPostOrder(pNode, sclCalcWalker, (void *)&ctx);
SCL_ERR_JRET(ctx.code);

167
source/libs/scalar/src/sclfunc.c
View File

@ -702,6 +702,7 @@ int32_t substrFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
return TSDB_CODE_SUCCESS;
}
/** Conversion functions **/
int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
int16_t inputType = GET_PARAM_TYPE(&pInput[0]);
int16_t inputLen = GET_PARAM_BYTES(&pInput[0]);
@ -1164,6 +1165,7 @@ int32_t toJsonFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
return TSDB_CODE_SUCCESS;
}
/** Time functions **/
int32_t timeTruncateFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
int32_t type = GET_PARAM_TYPE(&pInput[0]);
@ -1736,3 +1738,168 @@ int32_t qTbnameFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pO
pOutput->numOfRows += pInput->numOfRows;
return TSDB_CODE_SUCCESS;
}
/** Aggregation functions **/
int32_t countScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
SColumnInfoData *pInputData = pInput->columnData;
SColumnInfoData *pOutputData = pOutput->columnData;
int64_t *out = (int64_t *)pOutputData->pData;
*out = 0;
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
if (colDataIsNull_s(pInputData, i)) {
colDataAppendNULL(pOutputData, i);
break;
}
(*out)++;
}
pOutput->numOfRows = pInput->numOfRows;
return TSDB_CODE_SUCCESS;
}
int32_t sumScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
SColumnInfoData *pInputData = pInput->columnData;
SColumnInfoData *pOutputData = pOutput->columnData;
int32_t type = GET_PARAM_TYPE(pInput);
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
if (colDataIsNull_s(pInputData, i)) {
colDataAppendNULL(pOutputData, i);
break;
}
if (IS_SIGNED_NUMERIC_TYPE(type)) {
int64_t *in = (int64_t *)pInputData->pData;
int64_t *out = (int64_t *)pOutputData->pData;
*out += in[i];
} else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
uint64_t *in = (uint64_t *)pInputData->pData;
uint64_t *out = (uint64_t *)pOutputData->pData;
*out += in[i];
} else if (IS_FLOAT_TYPE(type)) {
double *in = (double *)pInputData->pData;
double *out = (double *)pOutputData->pData;
*out += in[i];
}
}
pOutput->numOfRows = pInput->numOfRows;
return TSDB_CODE_SUCCESS;
}
static int32_t doMinMaxScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput, bool isMinFunc) {
SColumnInfoData *pInputData = pInput->columnData;
SColumnInfoData *pOutputData = pOutput->columnData;
int32_t type = GET_PARAM_TYPE(pInput);
if (isMinFunc) {
SET_TYPED_DATA_MAX(pOutputData->pData, type);
} else {
SET_TYPED_DATA_MIN(pOutputData->pData, type);
}
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
if (colDataIsNull_s(pInputData, i)) {
colDataAppendNULL(pOutputData, i);
break;
}
switch(type) {
case TSDB_DATA_TYPE_BOOL:
case TSDB_DATA_TYPE_TINYINT: {
int8_t *in = (int8_t *)pInputData->pData;
int8_t *out = (int8_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_SMALLINT: {
int16_t *in = (int16_t *)pInputData->pData;
int16_t *out = (int16_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_INT: {
int32_t *in = (int32_t *)pInputData->pData;
int32_t *out = (int32_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_BIGINT: {
int64_t *in = (int64_t *)pInputData->pData;
int64_t *out = (int64_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_UTINYINT: {
uint8_t *in = (uint8_t *)pInputData->pData;
uint8_t *out = (uint8_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_USMALLINT: {
uint16_t *in = (uint16_t *)pInputData->pData;
uint16_t *out = (uint16_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_UINT: {
uint32_t *in = (uint32_t *)pInputData->pData;
uint32_t *out = (uint32_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_UBIGINT: {
uint64_t *in = (uint64_t *)pInputData->pData;
uint64_t *out = (uint64_t *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_FLOAT: {
float *in = (float *)pInputData->pData;
float *out = (float *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
case TSDB_DATA_TYPE_DOUBLE: {
double *in = (double *)pInputData->pData;
double *out = (double *)pOutputData->pData;
if((in[i] > *out) ^ isMinFunc) {
*out = in[i];
}
break;
}
}
}
pOutput->numOfRows = pInput->numOfRows;
return TSDB_CODE_SUCCESS;
}
int32_t minScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
return doMinMaxScalarFunction(pInput, inputNum, pOutput, true);
}
int32_t maxScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
return doMinMaxScalarFunction(pInput, inputNum, pOutput, false);
}