From 728e42f7235f8f9c83f0a2e758936ad26e58dc24 Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Wed, 14 Jun 2023 11:10:51 +0800
Subject: [PATCH] fix: add forbid system table functions

---
 source/libs/function/inc/functionMgtInt.h |  1 +
 source/libs/function/src/builtins.c       | 66 ++++++++++++++---------
 source/libs/function/src/functionMgt.c    |  2 +
 3 files changed, 44 insertions(+), 25 deletions(-)

diff --git a/source/libs/function/inc/functionMgtInt.h b/source/libs/function/inc/functionMgtInt.h
index 2a8f60d4d2..6d23f65cf3 100644
--- a/source/libs/function/inc/functionMgtInt.h
+++ b/source/libs/function/inc/functionMgtInt.h
@@ -51,6 +51,7 @@ extern "C" {
 #define FUNC_MGT_CUMULATIVE_FUNC        FUNC_MGT_FUNC_CLASSIFICATION_MASK(22)
 #define FUNC_MGT_INTERP_PC_FUNC         FUNC_MGT_FUNC_CLASSIFICATION_MASK(23)
 #define FUNC_MGT_GEOMETRY_FUNC          FUNC_MGT_FUNC_CLASSIFICATION_MASK(24)
+#define FUNC_MGT_FORBID_SYSTABLE_FUNC   FUNC_MGT_FUNC_CLASSIFICATION_MASK(25)
 
 #define FUNC_MGT_TEST_MASK(val, mask) (((val) & (mask)) != 0)
 
diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 657b02c205..6eb2be34b3 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -2348,7 +2348,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "leastsquares",
     .type = FUNCTION_TYPE_LEASTSQUARES,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateLeastSQR,
     .getEnvFunc   = getLeastSQRFuncEnv,
     .initFunc     = leastSQRFunctionSetup,
@@ -2456,7 +2456,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "top",
     .type = FUNCTION_TYPE_TOP,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC |
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
     .translateFunc = translateTopBot,
     .getEnvFunc   = getTopBotFuncEnv,
     .initFunc     = topBotFunctionSetup,
@@ -2471,7 +2472,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "bottom",
     .type = FUNCTION_TYPE_BOTTOM,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC |
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
     .translateFunc = translateTopBot,
     .getEnvFunc   = getTopBotFuncEnv,
     .initFunc     = topBotFunctionSetup,
@@ -2528,7 +2530,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "elapsed",
     .type = FUNCTION_TYPE_ELAPSED,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_INTERVAL_INTERPO_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_INTERVAL_INTERPO_FUNC | FUNC_MGT_FORBID_STREAM_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED,
     .dataRequiredFunc = statisDataRequired,
     .translateFunc = translateElapsed,
     .getEnvFunc   = getElapsedFuncEnv,
@@ -2568,7 +2571,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .name = "interp",
     .type = FUNCTION_TYPE_INTERP,
     .classification = FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_INTERVAL_INTERPO_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
-                      FUNC_MGT_FORBID_STREAM_FUNC|FUNC_MGT_KEEP_ORDER_FUNC,
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC | FUNC_MGT_KEEP_ORDER_FUNC,
     .translateFunc = translateInterp,
     .getEnvFunc    = getSelectivityFuncEnv,
     .initFunc      = functionSetup,
@@ -2580,7 +2583,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .name = "derivative",
     .type = FUNCTION_TYPE_DERIVATIVE,
     .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
-                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_CUMULATIVE_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_CUMULATIVE_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateDerivative,
     .getEnvFunc   = getDerivativeFuncEnv,
     .initFunc     = derivativeFuncSetup,
@@ -2592,7 +2595,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "irate",
     .type = FUNCTION_TYPE_IRATE,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC | FUNC_MGT_FORBID_STREAM_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateIrate,
     .getEnvFunc   = getIrateFuncEnv,
     .initFunc     = irateFuncSetup,
@@ -2603,7 +2607,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "last_row",
     .type = FUNCTION_TYPE_LAST_ROW,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLast,
     .dynDataRequiredFunc = lastDynDataReq,
     .getEnvFunc   = getFirstLastFuncEnv,
@@ -2618,7 +2623,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_cache_last_row",
     .type = FUNCTION_TYPE_CACHE_LAST_ROW,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLast,
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
@@ -2628,7 +2634,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_cache_last",
     .type = FUNCTION_TYPE_CACHE_LAST,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLast,
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
@@ -2638,7 +2644,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_last_row_partial",
     .type = FUNCTION_TYPE_LAST_PARTIAL,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLastPartial,
     .dynDataRequiredFunc = lastDynDataReq,
     .getEnvFunc   = getFirstLastFuncEnv,
@@ -2649,7 +2656,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_last_row_merge",
     .type = FUNCTION_TYPE_LAST_MERGE,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLastMerge,
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
@@ -2659,7 +2667,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "first",
     .type = FUNCTION_TYPE_FIRST,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLast,
     .dynDataRequiredFunc = firstDynDataReq,
     .getEnvFunc   = getFirstLastFuncEnv,
@@ -2674,7 +2683,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_first_partial",
     .type = FUNCTION_TYPE_FIRST_PARTIAL,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLastPartial,
     .dynDataRequiredFunc = firstDynDataReq,
     .getEnvFunc   = getFirstLastFuncEnv,
@@ -2686,7 +2696,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_first_merge",
     .type = FUNCTION_TYPE_FIRST_MERGE,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLastMerge,
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
@@ -2697,7 +2708,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "last",
     .type = FUNCTION_TYPE_LAST,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLast,
     .dynDataRequiredFunc = lastDynDataReq,
     .getEnvFunc   = getFirstLastFuncEnv,
@@ -2712,7 +2724,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_last_partial",
     .type = FUNCTION_TYPE_LAST_PARTIAL,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLastPartial,
     .dynDataRequiredFunc = lastDynDataReq,
     .getEnvFunc   = getFirstLastFuncEnv,
@@ -2724,7 +2737,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "_last_merge",
     .type = FUNCTION_TYPE_LAST_MERGE,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
+                      FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateFirstLastMerge,
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
@@ -2735,7 +2749,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "twa",
     .type = FUNCTION_TYPE_TWA,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_INTERVAL_INTERPO_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_INTERVAL_INTERPO_FUNC | FUNC_MGT_FORBID_STREAM_FUNC |
+                      FUNC_MGT_IMPLICIT_TS_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateInNumOutDou,
     .dataRequiredFunc = statisDataRequired,
     .getEnvFunc    = getTwaFuncEnv,
@@ -2826,7 +2841,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .name = "diff",
     .type = FUNCTION_TYPE_DIFF,
     .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
-                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_CUMULATIVE_FUNC,
+                      FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_CUMULATIVE_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateDiff,
     .getEnvFunc   = getDiffFuncEnv,
     .initFunc     = diffFunctionSetup,
@@ -2839,7 +2854,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .name = "statecount",
     .type = FUNCTION_TYPE_STATE_COUNT,
     .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
-                      FUNC_MGT_FORBID_STREAM_FUNC,
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateStateCount,
     .getEnvFunc   = getStateFuncEnv,
     .initFunc     = functionSetup,
@@ -2851,7 +2866,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .name = "stateduration",
     .type = FUNCTION_TYPE_STATE_DURATION,
     .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
-                      FUNC_MGT_FORBID_STREAM_FUNC,
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateStateDuration,
     .getEnvFunc   = getStateFuncEnv,
     .initFunc     = functionSetup,
@@ -2863,7 +2878,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .name = "csum",
     .type = FUNCTION_TYPE_CSUM,
     .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
-                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_CUMULATIVE_FUNC | FUNC_MGT_KEEP_ORDER_FUNC,
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_CUMULATIVE_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateCsum,
     .getEnvFunc   = getCsumFuncEnv,
     .initFunc     = functionSetup,
@@ -2876,7 +2891,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .name = "mavg",
     .type = FUNCTION_TYPE_MAVG,
     .classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_TIMELINE_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC |
-                      FUNC_MGT_FORBID_STREAM_FUNC,
+                      FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_SYSTABLE_FUNC,
     .translateFunc = translateMavg,
     .getEnvFunc   = getMavgFuncEnv,
     .initFunc     = mavgFunctionSetup,
@@ -2887,7 +2902,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "sample",
     .type = FUNCTION_TYPE_SAMPLE,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC |
+                      FUNC_MGT_FORBID_FILL_FUNC,
     .translateFunc = translateSample,
     .getEnvFunc   = getSampleFuncEnv,
     .initFunc     = sampleFunctionSetup,
diff --git a/source/libs/function/src/functionMgt.c b/source/libs/function/src/functionMgt.c
index 18f6e8050b..3afa6e9b54 100644
--- a/source/libs/function/src/functionMgt.c
+++ b/source/libs/function/src/functionMgt.c
@@ -219,6 +219,8 @@ bool fmIsKeepOrderFunc(int32_t funcId) { return isSpecificClassifyFunc(funcId, F
 
 bool fmIsCumulativeFunc(int32_t funcId) { return isSpecificClassifyFunc(funcId, FUNC_MGT_CUMULATIVE_FUNC); }
 
+bool fmIsForbidSysTableFunc(int32_t funcId) { return isSpecificClassifyFunc(funcId, FUNC_MGT_FORBID_SYSTABLE_FUNC); }
+
 bool fmIsInterpFunc(int32_t funcId) {
   if (funcId < 0 || funcId >= funcMgtBuiltinsNum) {
     return false;