!4791 为dolphin增加一个check_sql_fn_retval函数钩子

Merge pull request !4791 from Cross-罗/fix_interval

src/gausskernel/runtime/executor/functions.cpp

@@ -1604,6 +1604,10 @@ void check_if_exist_client_logic_type(List *tlist, Oid ret_type)
 bool check_sql_fn_retval(Oid func_id, Oid ret_type, List* query_tree_list, bool* modify_target_list,
     JunkFilter** junk_filter, bool plpgsql_validation)
 {
+    if (u_sess->hook_cxt.checkSqlFnRetvalHook != NULL) {
+        return ((checkSqlFnRetval)(u_sess->hook_cxt.checkSqlFnRetvalHook))(
+            func_id, ret_type, query_tree_list, modify_target_list, junk_filter, plpgsql_validation);
+    }
     Query* parse = NULL;
     List** tlist_ptr;
     List* tlist = NIL;

src/include/executor/functions.h

@@ -37,6 +37,8 @@ extern void sql_fn_replace(struct ParseState* pstate, SQLFunctionParseInfoPtr pi
 
 extern bool check_sql_fn_retval(Oid func_id, Oid rettype, List* queryTreeList, bool* modifyTargetList,
     JunkFilter** junkFilter, bool plpgsql_validation = false);
+typedef bool (*checkSqlFnRetval)(Oid func_id, Oid rettype, List* queryTreeList, bool* modifyTargetList,
+    JunkFilter** junkFilter, bool plpgsql_validation);
 
 extern DestReceiver* CreateSQLFunctionDestReceiver(void);
 

src/include/knl/knl_session.h

@@ -2921,6 +2921,7 @@ typedef struct knl_u_hook_context {
     void *pluginMultiResExceptionHook;
     void *getTypeZeroValueHook;
     void *deparseQueryHook;
+    void *checkSqlFnRetvalHook;
 } knl_u_hook_context;
 
 typedef struct knl_u_libsw_context {