feat(query): add first/last/last_row scalar version

include/libs/scalar/scalar.h

@@ -119,6 +119,7 @@ int32_t stateDurationScalarFunction(SScalarParam *pInput, int32_t inputNum, SSca
 int32_t histogramScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
 int32_t topScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
 int32_t bottomScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
+int32_t firstLastScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
 
 #ifdef __cplusplus
 }

source/libs/function/src/builtins.c

@@ -2231,6 +2231,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
     .processFunc  = lastRowFunction,
+    .sprocessFunc = firstLastScalarFunction,
     .finalizeFunc = firstLastFinalize
   },
   {
@@ -2251,6 +2252,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
     .processFunc  = firstFunction,
+    .sprocessFunc = firstLastScalarFunction,
     .finalizeFunc = firstLastFinalize,
     .pPartialFunc = "_first_partial",
     .pMergeFunc   = "_first_merge",
@@ -2286,6 +2288,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
     .processFunc  = lastFunction,
+    .sprocessFunc = firstLastScalarFunction,
     .finalizeFunc = firstLastFinalize,
     .pPartialFunc = "_last_partial",
     .pMergeFunc   = "_last_merge",

source/libs/scalar/src/sclfunc.c

@@ -2845,3 +2845,7 @@ int32_t topScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *
 int32_t bottomScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
   return selectScalarFunction(pInput, inputNum, pOutput);
 }
+
+int32_t firstLastScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
+  return selectScalarFunction(pInput, inputNum, pOutput);
+}