diff --git a/src/sql/engine/expr/ob_expr_rb_build_varbinary.cpp b/src/sql/engine/expr/ob_expr_rb_build_varbinary.cpp
index c5e9eacd03..ee27aee414 100644
--- a/src/sql/engine/expr/ob_expr_rb_build_varbinary.cpp
+++ b/src/sql/engine/expr/ob_expr_rb_build_varbinary.cpp
@@ -72,7 +72,7 @@ int ObExprRbBuildVarbinary::eval_rb_build_varbinary(const ObExpr &expr,
   ObString rb_bin = nullptr;
   ObString res_rb_bin = nullptr;
 
-  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap_bin(ctx, rb_arg, rb_bin, is_rb_null))) {
+  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap_bin(ctx, tmp_allocator, rb_arg, rb_bin, is_rb_null))) {
     LOG_WARN("fail to get input roaringbitmap", K(ret));
   } else if (is_rb_null || rb_bin == nullptr) {
     is_null_result = true;
diff --git a/src/sql/engine/expr/ob_expr_rb_calc.cpp b/src/sql/engine/expr/ob_expr_rb_calc.cpp
index 71f2495eaa..b9469be889 100644
--- a/src/sql/engine/expr/ob_expr_rb_calc.cpp
+++ b/src/sql/engine/expr/ob_expr_rb_calc.cpp
@@ -72,7 +72,7 @@ int ObExprRbCalc::eval_rb_calc(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res,
   ObRoaringBitmap *rb1 = nullptr;
   ObRoaringBitmap *rb2 = nullptr;
   ObString rb_res;
-  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, rb1_arg, rb1, is_rb1_null))) {
+  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, tmp_allocator, rb1_arg, rb1, is_rb1_null))) {
     LOG_WARN("failed to get left input roaringbitmap", K(ret));
   } else if (is_rb1_null && !is_null2empty) {
     is_res_null = true;
@@ -80,7 +80,7 @@ int ObExprRbCalc::eval_rb_calc(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res,
             && OB_ISNULL(rb1 = OB_NEWx(ObRoaringBitmap, &tmp_allocator, (&tmp_allocator)))) {
     ret = OB_ALLOCATE_MEMORY_FAILED;
     LOG_WARN("failed to create alloc memory to roaringbitmap", K(ret));
-  } else if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, rb2_arg, rb2, is_rb2_null))) {
+  } else if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, tmp_allocator, rb2_arg, rb2, is_rb2_null))) {
     LOG_WARN("failed to get right input roaringbitmap", K(ret));
   } else if (is_rb2_null  && !is_null2empty) {
     is_res_null = true;
diff --git a/src/sql/engine/expr/ob_expr_rb_calc_cardinality.cpp b/src/sql/engine/expr/ob_expr_rb_calc_cardinality.cpp
index dfb1734f3e..ebdb0cb259 100644
--- a/src/sql/engine/expr/ob_expr_rb_calc_cardinality.cpp
+++ b/src/sql/engine/expr/ob_expr_rb_calc_cardinality.cpp
@@ -73,7 +73,7 @@ int ObExprRbCalcCardinality::eval_rb_calc_cardinality(const ObExpr &expr, ObEval
   ObRoaringBitmap *rb1 = nullptr;
   ObRoaringBitmap *rb2 = nullptr;
   uint64_t cardinality = 0;
-  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, rb1_arg, rb1, is_rb1_null))) {
+  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, tmp_allocator, rb1_arg, rb1, is_rb1_null))) {
     LOG_WARN("failed to get left input roaringbitmap", K(ret));
   } else if (is_rb1_null && !is_null2empty) {
     is_res_null = true;
@@ -81,7 +81,7 @@ int ObExprRbCalcCardinality::eval_rb_calc_cardinality(const ObExpr &expr, ObEval
              && OB_ISNULL(rb1 = OB_NEWx(ObRoaringBitmap, &tmp_allocator, (&tmp_allocator)))) {
     ret = OB_ALLOCATE_MEMORY_FAILED;
     LOG_WARN("failed to create alloc memory to roaringbitmap", K(ret));
-  } else if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, rb2_arg, rb2, is_rb2_null))) {
+  } else if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, tmp_allocator, rb2_arg, rb2, is_rb2_null))) {
     LOG_WARN("failed to get right input roaringbitmap", K(ret));
   } else if (is_rb2_null  && !is_null2empty) {
     is_res_null = true;
diff --git a/src/sql/engine/expr/ob_expr_rb_cardinality.cpp b/src/sql/engine/expr/ob_expr_rb_cardinality.cpp
index ae8f8c75f8..6f5730a504 100644
--- a/src/sql/engine/expr/ob_expr_rb_cardinality.cpp
+++ b/src/sql/engine/expr/ob_expr_rb_cardinality.cpp
@@ -65,7 +65,7 @@ int ObExprRbCardinality::eval_rb_cardinality(const ObExpr &expr, ObEvalCtx &ctx,
   ObString rb_bin;
   ObRbBinType bin_type;
   uint64_t cardinality = 0;
-  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap_bin(ctx, rb_arg, rb_bin, is_rb_null))) {
+  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap_bin(ctx, tmp_allocator, rb_arg, rb_bin, is_rb_null))) {
     LOG_WARN("fail to get input roaringbitmap", K(ret));
   } else if (is_rb_null || rb_bin == nullptr) {
     res.set_null();
diff --git a/src/sql/engine/expr/ob_expr_rb_func_helper.cpp b/src/sql/engine/expr/ob_expr_rb_func_helper.cpp
index 0178f90608..bdfc38c8fa 100644
--- a/src/sql/engine/expr/ob_expr_rb_func_helper.cpp
+++ b/src/sql/engine/expr/ob_expr_rb_func_helper.cpp
@@ -30,12 +30,10 @@ namespace oceanbase
 namespace sql
 {
 
-int ObRbExprHelper::get_input_roaringbitmap_bin(ObEvalCtx &ctx, ObExpr *rb_arg,  ObString &rb_bin, bool &is_rb_null)
+int ObRbExprHelper::get_input_roaringbitmap_bin(ObEvalCtx &ctx, ObIAllocator &allocator, ObExpr *rb_arg,  ObString &rb_bin, bool &is_rb_null)
 {
   INIT_SUCC(ret);
   ObDatum *rb_datum;
-  ObEvalCtx::TempAllocGuard ctx_alloc_g(ctx);
-  common::ObArenaAllocator &allocator = ctx_alloc_g.get_allocator();
   if (OB_FAIL(rb_arg->eval(ctx, rb_datum))) {
     LOG_WARN("eval roaringbitmap args failed", K(ret));
   } else if (rb_datum->is_null()) {
@@ -55,13 +53,11 @@ int ObRbExprHelper::get_input_roaringbitmap_bin(ObEvalCtx &ctx, ObExpr *rb_arg,
   return ret;
 }
 
-int ObRbExprHelper::get_input_roaringbitmap(ObEvalCtx &ctx, ObExpr *rb_arg, ObRoaringBitmap *&rb, bool &is_rb_null)
+int ObRbExprHelper::get_input_roaringbitmap(ObEvalCtx &ctx, ObIAllocator &allocator, ObExpr *rb_arg, ObRoaringBitmap *&rb, bool &is_rb_null)
 {
   INIT_SUCC(ret);
   ObString rb_bin = nullptr;
-  ObEvalCtx::TempAllocGuard ctx_alloc_g(ctx);
-  common::ObArenaAllocator &allocator = ctx_alloc_g.get_allocator();
-  if (OB_FAIL(get_input_roaringbitmap_bin(ctx, rb_arg, rb_bin, is_rb_null))) {
+  if (OB_FAIL(get_input_roaringbitmap_bin(ctx, allocator, rb_arg, rb_bin, is_rb_null))) {
     LOG_WARN("failed to get input roaringbitmap binary", K(ret));
   } else if (!is_rb_null && OB_FAIL(ObRbUtils::rb_deserialize(allocator, rb_bin, rb))) {
     LOG_WARN("failed to deserialize roaringbitmap", K(ret));
diff --git a/src/sql/engine/expr/ob_expr_rb_func_helper.h b/src/sql/engine/expr/ob_expr_rb_func_helper.h
index 4b8727e192..cc6b207bf0 100644
--- a/src/sql/engine/expr/ob_expr_rb_func_helper.h
+++ b/src/sql/engine/expr/ob_expr_rb_func_helper.h
@@ -33,8 +33,8 @@ class ObRbExprHelper final
 {
 public:
 
-  static int get_input_roaringbitmap_bin(ObEvalCtx &ctx, ObExpr *rb_arg, ObString &rb_bin, bool &is_rb_null);
-  static int get_input_roaringbitmap(ObEvalCtx &ctx, ObExpr *rb_arg, ObRoaringBitmap *&rb, bool &is_rb_null);
+  static int get_input_roaringbitmap_bin(ObEvalCtx &ctx, ObIAllocator &allocator, ObExpr *rb_arg, ObString &rb_bin, bool &is_rb_null);
+  static int get_input_roaringbitmap(ObEvalCtx &ctx, ObIAllocator &allocator, ObExpr *rb_arg, ObRoaringBitmap *&rb, bool &is_rb_null);
   static int pack_rb_res(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res, const ObString &str);
   static uint64_t get_tenant_id(ObSQLSessionInfo *session);
 
diff --git a/src/sql/engine/expr/ob_expr_rb_is_empty.cpp b/src/sql/engine/expr/ob_expr_rb_is_empty.cpp
index ff5f0daf30..4cf01f1492 100644
--- a/src/sql/engine/expr/ob_expr_rb_is_empty.cpp
+++ b/src/sql/engine/expr/ob_expr_rb_is_empty.cpp
@@ -63,7 +63,7 @@ int ObExprRbIsEmpty::eval_rb_is_empty(const ObExpr &expr, ObEvalCtx &ctx, ObDatu
   bool is_rb_null = false;
   ObRoaringBitmap *rb = nullptr;
   ObDatum *rb_datum = nullptr;
-  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, rb_arg, rb, is_rb_null))) {
+  if (OB_FAIL(ObRbExprHelper::get_input_roaringbitmap(ctx, tmp_allocator, rb_arg, rb, is_rb_null))) {
     LOG_WARN("fail to get input roaringbitmap", K(ret));
   } else if (is_rb_null) {
     res.set_null();