diff --git a/source/libs/function/inc/builtinsimpl.h b/source/libs/function/inc/builtinsimpl.h
index acf4a5e4affe45ad99033b45b351e5d7192a9e71..c488abc1987488064440cd3ba472eac6dbb15039 100644
--- a/source/libs/function/inc/builtinsimpl.h
+++ b/source/libs/function/inc/builtinsimpl.h
@@ -99,6 +99,7 @@ int32_t firstCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx);
 int32_t lastCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx);
 
 bool getTopBotFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv);
+bool topBotFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
 int32_t topFunction(SqlFunctionCtx *pCtx);
 int32_t topFunctionMerge(SqlFunctionCtx *pCtx);
 int32_t bottomFunction(SqlFunctionCtx *pCtx);
diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index eab3ec8c8ed09dc81c12bc8f656228c4f757bf67..701f5a1a269bea31893565e9a73bd74371462aa5 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -1549,7 +1549,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_INDEFINITE_ROWS_FUNC,
     .translateFunc = translateTopBotPartial,
     .getEnvFunc   = getTopBotFuncEnv,
-    .initFunc     = topBotfunctionSetup,
+    .initFunc     = topBotFunctionSetup,
     .processFunc  = topFunction,
     .finalizeFunc = topBotPartialFinalize,
     .combineFunc  = topCombine,