fix(ds): Fix return types in replication_layer_meta
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@ -72,7 +72,7 @@
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n_shards/1
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]).
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-export_type([site/0]).
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-export_type([site/0, update_cluster_result/0]).
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-include_lib("stdlib/include/qlc.hrl").
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-include_lib("stdlib/include/ms_transform.hrl").
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@ -118,6 +118,12 @@
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%% Membership transition of shard's replica set:
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-type transition() :: {add | del, site()}.
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-type update_cluster_result() ::
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ok
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| {error, {nonexistent_db, emqx_ds:db()}}
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| {error, {nonexistent_sites, [site()]}}
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| {error, _}.
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%% Peristent term key:
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-define(emqx_ds_builtin_site, emqx_ds_builtin_site).
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@ -243,20 +249,17 @@ drop_db(DB) ->
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%%===============================================================================
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%% @doc Join a site to the set of sites the DB is replicated across.
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-spec join_db_site(emqx_ds:db(), site()) ->
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ok | {error, nonexistent_db | nonexistent_sites}.
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-spec join_db_site(emqx_ds:db(), site()) -> update_cluster_result().
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join_db_site(DB, Site) ->
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transaction(fun ?MODULE:modify_db_sites_trans/2, [DB, [{add, Site}]]).
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%% @doc Make a site leave the set of sites the DB is replicated across.
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-spec leave_db_site(emqx_ds:db(), site()) ->
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ok | {error, nonexistent_db | nonexistent_sites}.
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-spec leave_db_site(emqx_ds:db(), site()) -> update_cluster_result().
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leave_db_site(DB, Site) ->
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transaction(fun ?MODULE:modify_db_sites_trans/2, [DB, [{del, Site}]]).
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%% @doc Assign a set of sites to the DB for replication.
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-spec assign_db_sites(emqx_ds:db(), [site()]) ->
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ok | {error, nonexistent_db | nonexistent_sites}.
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-spec assign_db_sites(emqx_ds:db(), [site()]) -> update_cluster_result().
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assign_db_sites(DB, Sites) ->
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transaction(fun ?MODULE:assign_db_sites_trans/2, [DB, Sites]).
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