feat: turn tables queried with search APIs into ordered sets

This is needed to ensure more or less consistent client experience
for the new planned cursor-based search APIs.

apps/emqx/src/emqx_alarm.erl

@@ -89,7 +89,7 @@ mnesia(boot) ->
     ok = mria:create_table(
         ?ACTIVATED_ALARM,
         [
-            {type, set},
+            {type, ordered_set},
             {storage, disc_copies},
             {local_content, true},
             {record_name, activated_alarm},

apps/emqx/src/emqx_broker.erl

@@ -107,7 +107,7 @@ create_tabs() ->
     TabOpts = [public, {read_concurrency, true}, {write_concurrency, true}],
 
     %% SubOption: {SubPid, Topic} -> SubOption
-    ok = emqx_tables:new(?SUBOPTION, [set | TabOpts]),
+    ok = emqx_tables:new(?SUBOPTION, [ordered_set | TabOpts]),
 
     %% Subscription: SubPid -> Topic1, Topic2, Topic3, ...
     %% duplicate_bag: o(1) insert

apps/emqx_authn/src/enhanced_authn/emqx_enhanced_authn_scram_mnesia.erl

@@ -94,6 +94,7 @@
 mnesia(boot) ->
     ok = mria:create_table(?TAB, [
         {rlog_shard, ?AUTH_SHARD},
+        {type, ordered_set},
         {storage, disc_copies},
         {record_name, user_info},
         {attributes, record_info(fields, user_info)},

apps/emqx_authn/src/simple_authn/emqx_authn_mnesia.erl

@@ -96,6 +96,7 @@
 mnesia(boot) ->
     ok = mria:create_table(?TAB, [
         {rlog_shard, ?AUTH_SHARD},
+        {type, ordered_set},
         {storage, disc_copies},
         {record_name, user_info},
         {attributes, record_info(fields, user_info)},

apps/emqx_gateway/src/emqx_gateway_cm.erl

@@ -768,7 +768,7 @@ init(Options) ->
     {ChanTab, ConnTab, InfoTab} = cmtabs(GwName),
     ok = emqx_tables:new(ChanTab, [bag, {read_concurrency, true} | TabOpts]),
     ok = emqx_tables:new(ConnTab, [bag | TabOpts]),
-    ok = emqx_tables:new(InfoTab, [set, compressed | TabOpts]),
+    ok = emqx_tables:new(InfoTab, [ordered_set, compressed | TabOpts]),
 
     %% Start link cm-registry process
     %% XXX: Should I hang it under a higher level supervisor?

apps/emqx_rule_engine/src/emqx_rule_engine_app.erl

@@ -25,7 +25,7 @@
 -export([stop/1]).
 
 start(_Type, _Args) ->
-    _ = ets:new(?RULE_TAB, [named_table, public, set, {read_concurrency, true}]),
+    _ = ets:new(?RULE_TAB, [named_table, public, ordered_set, {read_concurrency, true}]),
     ok = emqx_rule_events:reload(),
     SupRet = emqx_rule_engine_sup:start_link(),
     ok = emqx_rule_engine:load_rules(),