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

[td-10564]refactor unary function.

This commit is contained in:
Haojun Liao 2021-11-01 13:03:57 +08:00
parent 5921993336
commit 01b178eb0e
4 changed files with 29 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
source/libs/function/inc/tbinoperator.h
View File

@ -24,6 +24,7 @@ extern "C" {
typedef void (*_bin_scalar_fn_t)(SScalarFuncParam* pLeft, SScalarFuncParam* pRight, void *output, int32_t order);
_bin_scalar_fn_t getBinScalarOperatorFn(int32_t binOperator);
bool isBinaryStringOp(int32_t op);
#ifdef __cplusplus
}

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

@ -482,3 +482,7 @@ _bin_scalar_fn_t getBinScalarOperatorFn(int32_t binFunctionId) {
return NULL;
}
}
bool isBinaryStringOp(int32_t op) {
return op == TSDB_BINARY_OP_CONCAT;
}

33
source/libs/function/src/tscalarfunction.c
View File

@ -74,6 +74,10 @@ static void setScalarFuncParam(SScalarFuncParam* param, int32_t type, int32_t by
param->data = pInput;
}
bool isStringOp(int32_t op) {
return op == TSDB_BINARY_OP_CONCAT;
}
int32_t evaluateExprNodeTree(tExprNode* pExprs, int32_t numOfRows, SScalarFuncParam* pOutput, void* param,
char* (*getSourceDataBlock)(void*, const char*, int32_t)) {
if (pExprs == NULL) {
@ -87,16 +91,14 @@ int32_t evaluateExprNodeTree(tExprNode* pExprs, int32_t numOfRows, SScalarFuncPa
SScalarFuncParam leftOutput = {0};
SScalarFuncParam rightOutput = {0};
leftOutput.data = malloc(sizeof(int64_t) * numOfRows);
if (pLeft->nodeType == TEXPR_BINARYEXPR_NODE || pLeft->nodeType == TEXPR_UNARYEXPR_NODE) {
leftOutput.data = malloc(sizeof(int64_t) * numOfRows);
evaluateExprNodeTree(pLeft, numOfRows, &leftOutput, param, getSourceDataBlock);
}
// the right output has result from the right child syntax tree
rightOutput.data = malloc(sizeof(int64_t) * numOfRows);
if (pRight->nodeType == TEXPR_BINARYEXPR_NODE) {
if (pRight->nodeType == TEXPR_BINARYEXPR_NODE || pRight->nodeType == TEXPR_UNARYEXPR_NODE) {
rightOutput.data = malloc(sizeof(int64_t) * numOfRows);
evaluateExprNodeTree(pRight, numOfRows, &rightOutput, param, getSourceDataBlock);
}
@ -114,8 +116,6 @@ int32_t evaluateExprNodeTree(tExprNode* pExprs, int32_t numOfRows, SScalarFuncPa
} else if (pLeft->nodeType == TEXPR_VALUE_NODE) {
SVariant* pVar = pRight->pVal;
setScalarFuncParam(&left, pVar->nType, pVar->nLen, &pVar->i, 1);
} else {
assert(0);
}
if (pRight->nodeType == TEXPR_BINARYEXPR_NODE || pRight->nodeType == TEXPR_UNARYEXPR_NODE) {
@ -127,14 +127,16 @@ int32_t evaluateExprNodeTree(tExprNode* pExprs, int32_t numOfRows, SScalarFuncPa
} else if (pRight->nodeType == TEXPR_VALUE_NODE) { // exprLeft + 12
SVariant* pVar = pRight->pVal;
setScalarFuncParam(&right, pVar->nType, pVar->nLen, &pVar->i, 1);
} else {
assert(0);
}
OperatorFn(&left, &right, pOutput->data, TSDB_ORDER_ASC);
void* outputBuf = pOutput->data;
if (isStringOp(pExprs->_node.optr)) {
outputBuf = realloc(pOutput->data, (left.bytes + right.bytes) * left.num);
OperatorFn(&left, &right, outputBuf, TSDB_ORDER_ASC);
}
// Set the result info
setScalarFuncParam(pOutput, TSDB_DATA_TYPE_DOUBLE, sizeof(double), pOutput->data, numOfRows);
setScalarFuncParam(pOutput, TSDB_DATA_TYPE_DOUBLE, sizeof(double), outputBuf, numOfRows);
} else if (pExprs->nodeType == TEXPR_UNARYEXPR_NODE) {
_unary_scalar_fn_t OperatorFn = getUnaryScalarOperatorFn(pExprs->_node.optr);
SScalarFuncParam left = {0};
@ -148,8 +150,13 @@ int32_t evaluateExprNodeTree(tExprNode* pExprs, int32_t numOfRows, SScalarFuncPa
} else if (pLeft->nodeType == TEXPR_VALUE_NODE) {
SVariant* pVar = pLeft->pVal;
setScalarFuncParam(&left, pVar->nType, pVar->nLen, &pVar->i, 1);
} else {
assert(0);
}
// reserve enough memory buffer
if (isBinaryStringOp(pExprs->_node.optr)) {
void* outputBuf = realloc(pOutput->data, left.bytes * left.num);
assert(outputBuf != NULL);
pOutput->data = outputBuf;
}
OperatorFn(&left, pOutput);

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

@ -165,3 +165,7 @@ _unary_scalar_fn_t getUnaryScalarOperatorFn(int32_t operator) {
assert(0);
}
}
bool isStringOperatorFn(int32_t op) {
return op == TSDB_UNARY_OP_LEN;
}