add derivative scalar version

include/libs/scalar/scalar.h

@@ -107,6 +107,7 @@ int32_t leastSQRScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarPa
 int32_t percentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
 int32_t apercentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
 int32_t spreadScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
+int32_t derivativeScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
 int32_t irateScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
 
 #ifdef __cplusplus

source/libs/function/src/builtins.c

@@ -2207,6 +2207,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .getEnvFunc   = getDerivativeFuncEnv,
     .initFunc     = derivativeFuncSetup,
     .processFunc  = derivativeFunction,
+    .sprocessFunc = derivativeScalarFunction,
     .finalizeFunc = functionFinalize
   },
   {

source/libs/scalar/src/sclfunc.c

@@ -2381,6 +2381,11 @@ int32_t spreadScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarPara
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t derivativeScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
+  pOutput->numOfRows = 0;
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t irateScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
   SColumnInfoData *pInputData  = pInput->columnData;
   SColumnInfoData *pOutputData = pOutput->columnData;