diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f5e7dbc7..67bb3d20a 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -111,7 +111,7 @@ if(EXISTS ${CMAKE_SOURCE_DIR}/contrib/dolphin)
     install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin.control
         DESTINATION share/postgresql/extension/
     )
-    install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin--3.0.sql
+    install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin--4.0.sql
         DESTINATION share/postgresql/extension/
     )
     install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin--1.0--1.1.sql
@@ -132,6 +132,12 @@ if(EXISTS ${CMAKE_SOURCE_DIR}/contrib/dolphin)
     install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin--3.0--2.0.sql
         DESTINATION share/postgresql/extension/
     )
+    install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin--3.0--4.0.sql
+        DESTINATION share/postgresql/extension/
+    )
+    install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin--4.0--3.0.sql
+        DESTINATION share/postgresql/extension/
+    )
     install(FILES ${CMAKE_SOURCE_DIR}/contrib/dolphin/dolphin--2.0--2.0.1.sql
         DESTINATION share/postgresql/extension/
     )
diff --git a/build/script/aarch64_finance_list b/build/script/aarch64_finance_list
index 4c76d937b..f8353c9a2 100644
--- a/build/script/aarch64_finance_list
+++ b/build/script/aarch64_finance_list
@@ -75,13 +75,15 @@
 ./share/postgresql/extension/spqplugin.control
 ./share/postgresql/extension/spqplugin--1.0.sql
 ./share/postgresql/extension/dolphin.control
-./share/postgresql/extension/dolphin--3.0.sql
+./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
 ./share/postgresql/extension/dolphin--1.1--1.0.sql
 ./share/postgresql/extension/dolphin--1.1--2.0.sql
 ./share/postgresql/extension/dolphin--2.0--1.1.sql
 ./share/postgresql/extension/dolphin--2.0--3.0.sql
 ./share/postgresql/extension/dolphin--3.0--2.0.sql
+./share/postgresql/extension/dolphin--3.0--4.0.sql
+./share/postgresql/extension/dolphin--4.0--3.0.sql
 ./share/postgresql/extension/dolphin--2.0--2.0.1.sql
 ./share/postgresql/extension/dolphin--2.0.1--2.0.sql
 ./share/postgresql/extension/whale.control
diff --git a/build/script/aarch64_lite_list b/build/script/aarch64_lite_list
index 2a7656894..856c122f4 100644
--- a/build/script/aarch64_lite_list
+++ b/build/script/aarch64_lite_list
@@ -34,13 +34,15 @@
 ./share/postgresql/extension/security_plugin.control
 ./share/postgresql/extension/security_plugin--1.0.sql
 ./share/postgresql/extension/dolphin.control
-./share/postgresql/extension/dolphin--3.0.sql
+./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
 ./share/postgresql/extension/dolphin--1.1--1.0.sql
 ./share/postgresql/extension/dolphin--1.1--2.0.sql
 ./share/postgresql/extension/dolphin--2.0--1.1.sql
 ./share/postgresql/extension/dolphin--2.0--3.0.sql
 ./share/postgresql/extension/dolphin--3.0--2.0.sql
+./share/postgresql/extension/dolphin--3.0--4.0.sql
+./share/postgresql/extension/dolphin--4.0--3.0.sql
 ./share/postgresql/extension/dolphin--2.0--2.0.1.sql
 ./share/postgresql/extension/dolphin--2.0.1--2.0.sql
 ./share/postgresql/extension/openGauss_expr_dolphin.ir
diff --git a/build/script/aarch64_opengauss_list b/build/script/aarch64_opengauss_list
index 4ce2170a8..564f81b1c 100644
--- a/build/script/aarch64_opengauss_list
+++ b/build/script/aarch64_opengauss_list
@@ -76,13 +76,15 @@
 ./share/postgresql/extension/spqplugin.control
 ./share/postgresql/extension/spqplugin--1.0.sql
 ./share/postgresql/extension/dolphin.control
-./share/postgresql/extension/dolphin--3.0.sql
+./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
 ./share/postgresql/extension/dolphin--1.1--1.0.sql
 ./share/postgresql/extension/dolphin--1.1--2.0.sql
 ./share/postgresql/extension/dolphin--2.0--1.1.sql
 ./share/postgresql/extension/dolphin--2.0--3.0.sql
 ./share/postgresql/extension/dolphin--3.0--2.0.sql
+./share/postgresql/extension/dolphin--3.0--4.0.sql
+./share/postgresql/extension/dolphin--4.0--3.0.sql
 ./share/postgresql/extension/dolphin--2.0--2.0.1.sql
 ./share/postgresql/extension/dolphin--2.0.1--2.0.sql
 ./share/postgresql/extension/openGauss_expr_dolphin.ir
diff --git a/build/script/opengauss_release_list_ubuntu_single b/build/script/opengauss_release_list_ubuntu_single
index 96154be84..976ee8d91 100644
--- a/build/script/opengauss_release_list_ubuntu_single
+++ b/build/script/opengauss_release_list_ubuntu_single
@@ -62,13 +62,15 @@
 ./share/postgresql/extension/security_plugin.control
 ./share/postgresql/extension/security_plugin--1.0.sql
 ./share/postgresql/extension/dolphin.control
-./share/postgresql/extension/dolphin--3.0.sql
+./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
 ./share/postgresql/extension/dolphin--1.1--1.0.sql
 ./share/postgresql/extension/dolphin--1.1--2.0.sql
 ./share/postgresql/extension/dolphin--2.0--1.1.sql
 ./share/postgresql/extension/dolphin--2.0--3.0.sql
 ./share/postgresql/extension/dolphin--3.0--2.0.sql
+./share/postgresql/extension/dolphin--3.0--4.0.sql
+./share/postgresql/extension/dolphin--4.0--3.0.sql
 ./share/postgresql/extension/dolphin--2.0--2.0.1.sql
 ./share/postgresql/extension/dolphin--2.0.1--2.0.sql
 ./share/postgresql/extension/openGauss_expr_dolphin.ir
diff --git a/build/script/x86_64_finance_list b/build/script/x86_64_finance_list
index 4a3357316..b12b4ff58 100644
--- a/build/script/x86_64_finance_list
+++ b/build/script/x86_64_finance_list
@@ -75,13 +75,15 @@
 ./share/postgresql/extension/spqplugin.control
 ./share/postgresql/extension/spqplugin--1.0.sql
 ./share/postgresql/extension/dolphin.control
-./share/postgresql/extension/dolphin--3.0.sql
+./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
 ./share/postgresql/extension/dolphin--1.1--1.0.sql
 ./share/postgresql/extension/dolphin--1.1--2.0.sql
 ./share/postgresql/extension/dolphin--2.0--1.1.sql
 ./share/postgresql/extension/dolphin--2.0--3.0.sql
 ./share/postgresql/extension/dolphin--3.0--2.0.sql
+./share/postgresql/extension/dolphin--3.0--4.0.sql
+./share/postgresql/extension/dolphin--4.0--3.0.sql
 ./share/postgresql/extension/dolphin--2.0--2.0.1.sql
 ./share/postgresql/extension/dolphin--2.0.1--2.0.sql
 ./share/postgresql/extension/whale.control
diff --git a/build/script/x86_64_lite_list b/build/script/x86_64_lite_list
index 31e242d5b..2143d2aa7 100644
--- a/build/script/x86_64_lite_list
+++ b/build/script/x86_64_lite_list
@@ -34,13 +34,15 @@
 ./share/postgresql/extension/security_plugin.control
 ./share/postgresql/extension/security_plugin--1.0.sql
 ./share/postgresql/extension/dolphin.control
-./share/postgresql/extension/dolphin--3.0.sql
+./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
 ./share/postgresql/extension/dolphin--1.1--1.0.sql
 ./share/postgresql/extension/dolphin--1.1--2.0.sql
 ./share/postgresql/extension/dolphin--2.0--1.1.sql
 ./share/postgresql/extension/dolphin--2.0--3.0.sql
 ./share/postgresql/extension/dolphin--3.0--2.0.sql
+./share/postgresql/extension/dolphin--3.0--4.0.sql
+./share/postgresql/extension/dolphin--4.0--3.0.sql
 ./share/postgresql/extension/dolphin--2.0--2.0.1.sql
 ./share/postgresql/extension/dolphin--2.0.1--2.0.sql
 ./share/postgresql/extension/openGauss_expr_dolphin.ir
diff --git a/build/script/x86_64_opengauss_list b/build/script/x86_64_opengauss_list
index 9fe973fd9..0b483633a 100644
--- a/build/script/x86_64_opengauss_list
+++ b/build/script/x86_64_opengauss_list
@@ -76,13 +76,15 @@
 ./share/postgresql/extension/spqplugin.control
 ./share/postgresql/extension/spqplugin--1.0.sql
 ./share/postgresql/extension/dolphin.control
-./share/postgresql/extension/dolphin--3.0.sql
+./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
 ./share/postgresql/extension/dolphin--1.1--1.0.sql
 ./share/postgresql/extension/dolphin--1.1--2.0.sql
 ./share/postgresql/extension/dolphin--2.0--1.1.sql
 ./share/postgresql/extension/dolphin--2.0--3.0.sql
 ./share/postgresql/extension/dolphin--3.0--2.0.sql
+./share/postgresql/extension/dolphin--3.0--4.0.sql
+./share/postgresql/extension/dolphin--4.0--3.0.sql
 ./share/postgresql/extension/dolphin--2.0--2.0.1.sql
 ./share/postgresql/extension/dolphin--2.0.1--2.0.sql
 ./share/postgresql/extension/openGauss_expr_dolphin.ir
diff --git a/src/common/backend/utils/init/globals.cpp b/src/common/backend/utils/init/globals.cpp
index a0fe847ec..9a3dcca7e 100644
--- a/src/common/backend/utils/init/globals.cpp
+++ b/src/common/backend/utils/init/globals.cpp
@@ -75,7 +75,7 @@ bool will_shutdown = false;
  *       NEXT   |  92899   |     ?      |     ?     
  *
  ********************************************/
-const uint32 GRAND_VERSION_NUM = 92926;
+const uint32 GRAND_VERSION_NUM = 92927;
 
 /********************************************
  * 2.VERSION NUM FOR EACH FEATURE
diff --git a/src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_92_927.sql b/src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_92_927.sql
new file mode 100644
index 000000000..186140d72
--- /dev/null
+++ b/src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_92_927.sql
@@ -0,0 +1,12 @@
+do $$
+DECLARE
+ans boolean;
+BEGIN
+    for ans in select case when count(*)=1 then true else false end as ans from (select extname from pg_extension where extname='dolphin')
+    LOOP
+        if ans = true then
+            ALTER EXTENSION dolphin UPDATE TO '3.0';
+        end if;
+        exit;
+    END LOOP;
+END$$;
\ No newline at end of file
diff --git a/src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_92_927.sql b/src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_92_927.sql
new file mode 100644
index 000000000..186140d72
--- /dev/null
+++ b/src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_92_927.sql
@@ -0,0 +1,12 @@
+do $$
+DECLARE
+ans boolean;
+BEGIN
+    for ans in select case when count(*)=1 then true else false end as ans from (select extname from pg_extension where extname='dolphin')
+    LOOP
+        if ans = true then
+            ALTER EXTENSION dolphin UPDATE TO '3.0';
+        end if;
+        exit;
+    END LOOP;
+END$$;
\ No newline at end of file
diff --git a/src/include/catalog/upgrade_sql/upgrade_catalog_maindb/upgrade-post_catalog_maindb_92_927.sql b/src/include/catalog/upgrade_sql/upgrade_catalog_maindb/upgrade-post_catalog_maindb_92_927.sql
new file mode 100644
index 000000000..cf2c7b297
--- /dev/null
+++ b/src/include/catalog/upgrade_sql/upgrade_catalog_maindb/upgrade-post_catalog_maindb_92_927.sql
@@ -0,0 +1,12 @@
+do $$
+DECLARE
+ans boolean;
+BEGIN
+    for ans in select case when count(*)=1 then true else false end as ans from (select extname from pg_extension where extname='dolphin')
+    LOOP
+        if ans = true then
+            ALTER EXTENSION dolphin UPDATE TO '4.0';
+        end if;
+        exit;
+    END LOOP;
+END$$;
\ No newline at end of file
diff --git a/src/include/catalog/upgrade_sql/upgrade_catalog_otherdb/upgrade-post_catalog_otherdb_92_927.sql b/src/include/catalog/upgrade_sql/upgrade_catalog_otherdb/upgrade-post_catalog_otherdb_92_927.sql
new file mode 100644
index 000000000..cf2c7b297
--- /dev/null
+++ b/src/include/catalog/upgrade_sql/upgrade_catalog_otherdb/upgrade-post_catalog_otherdb_92_927.sql
@@ -0,0 +1,12 @@
+do $$
+DECLARE
+ans boolean;
+BEGIN
+    for ans in select case when count(*)=1 then true else false end as ans from (select extname from pg_extension where extname='dolphin')
+    LOOP
+        if ans = true then
+            ALTER EXTENSION dolphin UPDATE TO '4.0';
+        end if;
+        exit;
+    END LOOP;
+END$$;
\ No newline at end of file