diff --git a/src/sql/engine/ob_physical_plan_ctx.cpp b/src/sql/engine/ob_physical_plan_ctx.cpp
index 6242f2dbb..3ee62a521 100644
--- a/src/sql/engine/ob_physical_plan_ctx.cpp
+++ b/src/sql/engine/ob_physical_plan_ctx.cpp
@@ -111,12 +111,14 @@ ObPhysicalPlanCtx::ObPhysicalPlanCtx(common::ObIAllocator &allocator)
       is_ps_protocol_(false),
       plan_start_time_(0),
       is_ps_rewrite_sql_(false),
-      spm_ts_timeout_us_(0)
+      spm_ts_timeout_us_(0),
+      subschema_ctx_(allocator_)
 {
 }
 
 ObPhysicalPlanCtx::~ObPhysicalPlanCtx()
 {
+  subschema_ctx_.destroy();
 }
 
 void ObPhysicalPlanCtx::restore_param_store(const int64_t original_param_cnt)
diff --git a/src/sql/engine/ob_physical_plan_ctx.h b/src/sql/engine/ob_physical_plan_ctx.h
index 31bf985ee..94f5ecc67 100644
--- a/src/sql/engine/ob_physical_plan_ctx.h
+++ b/src/sql/engine/ob_physical_plan_ctx.h
@@ -23,6 +23,7 @@
 #include "sql/plan_cache/ob_plan_cache_util.h"
 #include "sql/engine/user_defined_function/ob_udf_ctx_mgr.h"
 #include "sql/engine/expr/ob_expr.h"
+#include "sql/engine/ob_subschema_ctx.h"
 namespace oceanbase
 {
 namespace sql
@@ -594,6 +595,7 @@ private:
   bool is_ps_rewrite_sql_;
   // timeout use by spm, don't need to serialize
   int64_t spm_ts_timeout_us_;
+  ObSubSchemaCtx subschema_ctx_;
 };
 
 }