Modify the upgrade script to forbid the bloom filter during upgrading

tools/upgrade/special_upgrade_action_pre.py

@@ -30,6 +30,12 @@ def do_special_upgrade(conn, cur, timeout, user, passwd):
     actions.set_parameter(cur, 'enable_major_freeze', 'False', timeout)
     actions.set_tenant_parameter(cur, '_enable_adaptive_compaction', 'False', timeout)
     actions.do_suspend_merge(cur, timeout)
+  # When upgrading from a version prior to 4.2 to version 4.2, the bloom_filter should be disabled.
+  # The param _bloom_filter_enabled is no longer in use as of version 4.2, there is no need to enable it again.
+  if actions.get_version(current_version) < actions.get_version('4.2.0.0')\
+      and actions.get_version(target_version) >= actions.get_version('4.2.0.0'):
+    actions.set_tenant_parameter(cur, '_bloom_filter_enabled', 'False', timeout)
+
 ####========******####======== actions begin ========####******========####
   return
 ####========******####========= actions end =========####******========####

tools/upgrade/upgrade_post.py

@@ -1244,6 +1244,12 @@
 #    actions.set_parameter(cur, 'enable_major_freeze', 'False', timeout)
 #    actions.set_tenant_parameter(cur, '_enable_adaptive_compaction', 'False', timeout)
 #    actions.do_suspend_merge(cur, timeout)
+#  # When upgrading from a version prior to 4.2 to version 4.2, the bloom_filter should be disabled.
+#  # The param _bloom_filter_enabled is no longer in use as of version 4.2, there is no need to enable it again.
+#  if actions.get_version(current_version) < actions.get_version('4.2.0.0')\
+#      and actions.get_version(target_version) >= actions.get_version('4.2.0.0'):
+#    actions.set_tenant_parameter(cur, '_bloom_filter_enabled', 'False', timeout)
+#
 #####========******####======== actions begin ========####******========####
 #  return
 #####========******####========= actions end =========####******========####

tools/upgrade/upgrade_pre.py

@@ -1244,6 +1244,12 @@
 #    actions.set_parameter(cur, 'enable_major_freeze', 'False', timeout)
 #    actions.set_tenant_parameter(cur, '_enable_adaptive_compaction', 'False', timeout)
 #    actions.do_suspend_merge(cur, timeout)
+#  # When upgrading from a version prior to 4.2 to version 4.2, the bloom_filter should be disabled.
+#  # The param _bloom_filter_enabled is no longer in use as of version 4.2, there is no need to enable it again.
+#  if actions.get_version(current_version) < actions.get_version('4.2.0.0')\
+#      and actions.get_version(target_version) >= actions.get_version('4.2.0.0'):
+#    actions.set_tenant_parameter(cur, '_bloom_filter_enabled', 'False', timeout)
+#
 #####========******####======== actions begin ========####******========####
 #  return
 #####========******####========= actions end =========####******========####