根据是否开启向量化对向量化计划中的targetlist进行剪裁，只保留使用到列，以降低行转列时候的开销

src/common/backend/utils/misc/guc/guc_sql.cpp

@@ -165,7 +165,7 @@ static void assign_convert_string_to_digit(bool newval, void* extra);
 static void AssignUStoreAttr(const char* newval, void* extra);
 static bool check_snapshot_delimiter(char** newval, void** extra, GucSource source);
 static bool check_snapshot_separator(char** newval, void** extra, GucSource source);
-
+static void strategy_assign_vector_targetlist(int newval, void* extra);
 
 static void InitSqlConfigureNamesBool();
 static void InitSqlConfigureNamesInt();
@@ -1616,6 +1616,18 @@ static void InitSqlConfigureNamesBool()
             NULL,
             NULL},
 #endif
+        {{"enable_vector_targetlist",
+            PGC_USERSET,
+            NODE_ALL,
+            QUERY_TUNING_OTHER,
+            gettext_noop("enable vector targetlist for row to vector."),
+            NULL},
+            &u_sess->attr.attr_sql.enable_vector_targetlist, 
+            false,
+            NULL,
+            NULL,
+            NULL
+        },
         /* End-of-list marker */
         {{NULL,
             (GucContext)0,
@@ -2577,7 +2589,6 @@ static void InitSqlConfigureNamesReal()
             NULL,
             NULL,
             NULL},
-
         /* End-of-list marker */
         {{NULL,
             (GucContext)0,
@@ -2958,7 +2969,7 @@ static void InitSqlConfigureNamesEnum()
             OFF_VECTOR_ENGINE,
             vector_engine_strategy,
             NULL,
-            NULL,
+            strategy_assign_vector_targetlist,
             NULL},
 
         /* End-of-list marker */
@@ -3463,3 +3474,14 @@ static bool check_snapshot_separator(char** newval, void** extra, GucSource sour
     return (strlen(*newval) == 1 && (!u_sess->attr.attr_sql.db4ai_snapshot_version_delimiter
                                      || **newval != *u_sess->attr.attr_sql.db4ai_snapshot_version_delimiter));
 }
+
+static void strategy_assign_vector_targetlist(int newval, void* extra)
+{
+    if (newval == FORCE_VECTOR_ENGINE || newval == OPT_VECTOR_ENGINE)
+        u_sess->attr.attr_sql.enable_vector_targetlist = true;
+    else {
+        u_sess->attr.attr_sql.enable_vector_targetlist = false;
+    }
+
+    return;
+}

src/gausskernel/optimizer/plan/createplan.cpp

@@ -5042,7 +5042,10 @@ static HashJoin* create_hashjoin_plan(PlannerInfo* root, HashPath* best_path, Pl
     disuse_physical_tlist(inner_plan, best_path->jpath.innerjoinpath);
 
     /* If we expect batching, suppress excess columns in outer tuples too */
-    if (best_path->num_batches > 1)
+    if (best_path->num_batches > 1 ||
+        (u_sess->attr.attr_sql.enable_vector_engine && 
+         u_sess->attr.attr_sql.vectorEngineStrategy != OFF_VECTOR_ENGINE && 
+         u_sess->attr.attr_sql.enable_vector_targetlist))
         disuse_physical_tlist(outer_plan, best_path->jpath.outerjoinpath);
 
     /*

src/gausskernel/optimizer/plan/planner.cpp

@@ -3281,7 +3281,10 @@ static Plan* grouping_planner(PlannerInfo* root, double tuple_fraction)
                  *
                  * We don't want any excess columns for hashagg, since we support hashagg write-out-to-disk now
                  */
-                if (use_hashed_grouping)
+                if (use_hashed_grouping || 
+                    (u_sess->attr.attr_sql.enable_vector_engine && 
+                     u_sess->attr.attr_sql.vectorEngineStrategy != OFF_VECTOR_ENGINE && 
+                     u_sess->attr.attr_sql.enable_vector_targetlist))
                     disuse_physical_tlist(result_plan, best_path);
 
                 locate_grouping_columns(root, tlist, result_plan->targetlist, groupColIdx);

src/include/knl/knl_guc/knl_session_attr_sql.h

@@ -242,6 +242,7 @@ typedef struct knl_session_attr_sql {
     bool dolphin;
     bool enable_trace_column;
     double pre_detoast_var_factor;
+    bool enable_vector_targetlist;
 } knl_session_attr_sql;
 
 #endif /* SRC_INCLUDE_KNL_KNL_SESSION_ATTR_SQL */