diff --git a/src/common/backend/utils/adt/ruleutils.cpp b/src/common/backend/utils/adt/ruleutils.cpp
index 5b6a40326..31d63d52e 100644
--- a/src/common/backend/utils/adt/ruleutils.cpp
+++ b/src/common/backend/utils/adt/ruleutils.cpp
@@ -5789,6 +5789,11 @@ static void make_viewdef(StringInfo buf, HeapTuple ruletup, TupleDesc rulettc, i
 void deparse_query(Query* query, StringInfo buf, List* parentnamespace, bool finalise_aggs, bool sortgroup_colno,
     void* parserArg, bool qrw_phase, bool is_fqs)
 {
+    if (u_sess->hook_cxt.deparseQueryHook != NULL) {
+        ((deparse_query_func)(u_sess->hook_cxt.deparseQueryHook))(query, buf, parentnamespace,
+            finalise_aggs, sortgroup_colno, parserArg, qrw_phase, is_fqs);
+        return;
+    }
     OverrideSearchPath* tmp_search_path = NULL;
     List* schema_list = NIL;
     ListCell* schema = NULL;
diff --git a/src/include/knl/knl_session.h b/src/include/knl/knl_session.h
index bd51fed2f..139d8ea22 100644
--- a/src/include/knl/knl_session.h
+++ b/src/include/knl/knl_session.h
@@ -2746,6 +2746,7 @@ typedef struct knl_u_hook_context {
     void *plpgsqlParserSetHook;
     void *coreYYlexHook;
     void *getTypeZeroValueHook;
+    void *deparseQueryHook;
 } knl_u_hook_context;
 
 typedef struct knl_u_libsw_context {
diff --git a/src/include/utils/builtins.h b/src/include/utils/builtins.h
index 00b7a0bc9..4dd31199d 100644
--- a/src/include/utils/builtins.h
+++ b/src/include/utils/builtins.h
@@ -914,6 +914,8 @@ extern char* deparse_alter_sequence(Node* stmt, bool owned_by_none = false);
 extern void get_hint_string(HintState* hstate, StringInfo buf);
 extern void deparse_query(Query* query, StringInfo buf, List* parentnamespace, bool finalise_aggs, bool sortgroup_colno,
     void* parserArg = NULL, bool qrw_phase = false, bool is_fqs = false);
+typedef void (*deparse_query_func)(Query* query, StringInfo buf, List* parentnamespace, bool finalise_aggs,
+    bool sortgroup_colno, void* parserArg, bool qrw_phase, bool is_fqs);
 extern void deparse_targetlist(Query* query, List* targetList, StringInfo buf);
 #endif
 extern List* deparse_context_for(const char* aliasname, Oid relid);