diff --git a/src/common/backend/utils/adt/arrayfuncs.cpp b/src/common/backend/utils/adt/arrayfuncs.cpp
index 507607469..6e6ceb3cd 100644
--- a/src/common/backend/utils/adt/arrayfuncs.cpp
+++ b/src/common/backend/utils/adt/arrayfuncs.cpp
@@ -1787,7 +1787,8 @@ Datum array_varchar_exists(PG_FUNCTION_ARGS)
         PG_RETURN_BOOL(false);
     }
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL || 
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_varchar_exists must be call in procedure")));
     }
@@ -1821,7 +1822,8 @@ Datum array_integer_exists(PG_FUNCTION_ARGS)
         PG_RETURN_BOOL(false);
     }
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_integer_exists must be call in procedure")));
     }
@@ -1966,7 +1968,8 @@ Datum array_varchar_next(PG_FUNCTION_ARGS)
 
     int index = 0;
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_varchar_next must be call in procedure")));
     }
@@ -2016,7 +2019,8 @@ Datum array_varchar_prior(PG_FUNCTION_ARGS)
     
     int index = 0;
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_varchar_prior must be call in procedure")));
     }
@@ -2061,7 +2065,8 @@ Datum array_varchar_first(PG_FUNCTION_ARGS)
         PG_RETURN_NULL();
     }
     
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_varchar_first must be call in procedure")));
     }
@@ -2108,7 +2113,8 @@ Datum array_integer_next(PG_FUNCTION_ARGS)
     }
 
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_integer_next must be call in procedure")));
     }
@@ -2165,7 +2171,8 @@ Datum array_integer_prior(PG_FUNCTION_ARGS)
     }
     
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_integer_prior must be call in procedure")));
     }
@@ -2218,7 +2225,8 @@ Datum array_integer_first(PG_FUNCTION_ARGS)
         PG_RETURN_NULL();
     }
     
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_integer_first must be call in procedure")));
     }
@@ -2262,7 +2270,8 @@ Datum array_integer_last(PG_FUNCTION_ARGS)
         PG_RETURN_NULL();
     }
     
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_integer_last must be call in procedure")));
     }
@@ -2287,7 +2296,8 @@ Datum array_varchar_last(PG_FUNCTION_ARGS)
         PG_RETURN_NULL();
     }
     
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_varchar_last must be call in procedure")));
     }
@@ -2343,7 +2353,8 @@ Datum array_integer_deleteidx(PG_FUNCTION_ARGS)
     }
 
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_integer_deleteidx must be call in procedure")));
     }
@@ -2368,7 +2379,8 @@ Datum array_varchar_deleteidx(PG_FUNCTION_ARGS)
     }
 
     Datum index_datum = PG_GETARG_DATUM(1);
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_varchar_deleteidx must be call in procedure")));
     }
@@ -2575,7 +2587,8 @@ Datum array_indexby_delete(PG_FUNCTION_ARGS)
     checkEnv();
     ArrayType* v = PG_GETARG_ARRAYTYPE_P(0);
     ArrayType* array = construct_empty_array(ARR_ELEMTYPE(v));
-    if (u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
+    if (u_sess->SPI_cxt.cur_tableof_index == NULL ||
+        u_sess->SPI_cxt.cur_tableof_index->tableOfIndex == NULL) {
         ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("array_indexby_delete must be call in procedure")));
     }
diff --git a/src/test/regress/expected/arrayinterface_indexby.out b/src/test/regress/expected/arrayinterface_indexby.out
index bb4f290f8..9983004f2 100644
--- a/src/test/regress/expected/arrayinterface_indexby.out
+++ b/src/test/regress/expected/arrayinterface_indexby.out
@@ -11,6 +11,10 @@ drop schema if exists plpgsql_array_interface_indexby;
 NOTICE:  schema "plpgsql_array_interface_indexby" does not exist, skipping
 create schema plpgsql_array_interface_indexby;
 set current_schema = plpgsql_array_interface_indexby;
+-- must be call in procedure --
+select array_indexby_delete(array[1, 2]);
+ERROR:  array_indexby_delete must be call in procedure
+CONTEXT:  referenced column: array_indexby_delete
 -- test array interface count --
 create or replace procedure array_interface_p1() as
 declare
diff --git a/src/test/regress/expected/arrayinterface_single.out b/src/test/regress/expected/arrayinterface_single.out
index f06112f97..f7954f60b 100644
--- a/src/test/regress/expected/arrayinterface_single.out
+++ b/src/test/regress/expected/arrayinterface_single.out
@@ -11,6 +11,43 @@ drop schema if exists plpgsql_array_interface;
 NOTICE:  schema "plpgsql_array_interface" does not exist, skipping
 create schema plpgsql_array_interface;
 set current_schema = plpgsql_array_interface;
+-- must be call in procedure --
+select array_varchar_exists(array['1', '2'], '3');
+ERROR:  array_varchar_exists must be call in procedure
+CONTEXT:  referenced column: array_varchar_exists
+select array_varchar_next(array['1','2'], '3');
+ERROR:  array_varchar_next must be call in procedure
+CONTEXT:  referenced column: array_varchar_next
+select array_varchar_prior(array['1','2'], '3');
+ERROR:  array_varchar_prior must be call in procedure
+CONTEXT:  referenced column: array_varchar_prior
+select array_varchar_first(array['1','2']);
+ERROR:  array_varchar_first must be call in procedure
+CONTEXT:  referenced column: array_varchar_first
+select array_varchar_last(array['1','2']);
+ERROR:  array_varchar_last must be call in procedure
+CONTEXT:  referenced column: array_varchar_last
+select array_varchar_deleteidx(array['1','2'], '3');
+ERROR:  array_varchar_deleteidx must be call in procedure
+CONTEXT:  referenced column: array_varchar_deleteidx
+select array_integer_exists(array[1, 2], 3);
+ERROR:  array_integer_exists must be call in procedure
+CONTEXT:  referenced column: array_integer_exists
+select array_integer_next(array[1, 2], 3);
+ERROR:  array_integer_next must be call in procedure
+CONTEXT:  referenced column: array_integer_next
+select array_integer_prior(array[1, 2], 3);
+ERROR:  array_integer_prior must be call in procedure
+CONTEXT:  referenced column: array_integer_prior
+select array_integer_first(array[1, 2]);
+ERROR:  array_integer_first must be call in procedure
+CONTEXT:  referenced column: array_integer_first
+select array_integer_last(array[1, 2]);
+ERROR:  array_integer_last must be call in procedure
+CONTEXT:  referenced column: array_integer_last
+select array_integer_deleteidx(array[1, 2], 3);
+ERROR:  array_integer_deleteidx must be call in procedure
+CONTEXT:  referenced column: array_integer_deleteidx
 -- test array interface count --
 create or replace procedure array_interface_p1()
 as
diff --git a/src/test/regress/sql/arrayinterface_indexby.sql b/src/test/regress/sql/arrayinterface_indexby.sql
index f347aeae0..b0c96121f 100644
--- a/src/test/regress/sql/arrayinterface_indexby.sql
+++ b/src/test/regress/sql/arrayinterface_indexby.sql
@@ -8,6 +8,10 @@ drop schema if exists plpgsql_array_interface_indexby;
 create schema plpgsql_array_interface_indexby;
 set current_schema = plpgsql_array_interface_indexby;
 
+-- must be call in procedure --
+select array_indexby_delete(array[1, 2]);
+
+
 -- test array interface count --
 create or replace procedure array_interface_p1() as
 declare
diff --git a/src/test/regress/sql/arrayinterface_single.sql b/src/test/regress/sql/arrayinterface_single.sql
index efa5a0468..6ddb967f4 100644
--- a/src/test/regress/sql/arrayinterface_single.sql
+++ b/src/test/regress/sql/arrayinterface_single.sql
@@ -8,6 +8,22 @@ drop schema if exists plpgsql_array_interface;
 create schema plpgsql_array_interface;
 set current_schema = plpgsql_array_interface;
 
+-- must be call in procedure --
+select array_varchar_exists(array['1', '2'], '3');
+select array_varchar_next(array['1','2'], '3');
+select array_varchar_prior(array['1','2'], '3');
+select array_varchar_first(array['1','2']);
+select array_varchar_last(array['1','2']);
+select array_varchar_deleteidx(array['1','2'], '3');
+
+select array_integer_exists(array[1, 2], 3);
+select array_integer_next(array[1, 2], 3);
+select array_integer_prior(array[1, 2], 3);
+select array_integer_first(array[1, 2]);
+select array_integer_last(array[1, 2]);
+select array_integer_deleteidx(array[1, 2], 3);
+
+
 -- test array interface count --
 create or replace procedure array_interface_p1()
 as