diff options
Diffstat (limited to 'src/mem3/src/mem3_shards.erl')
| -rw-r--r-- | src/mem3/src/mem3_shards.erl | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/mem3/src/mem3_shards.erl b/src/mem3/src/mem3_shards.erl index 110e227dd..4f3323740 100644 --- a/src/mem3/src/mem3_shards.erl +++ b/src/mem3/src/mem3_shards.erl @@ -20,6 +20,7 @@ -export([handle_config_change/5, handle_config_terminate/3]). -export([start_link/0]). +-export([opts_for_db/1]). -export([for_db/1, for_db/2, for_docid/2, for_docid/3, get/3, local/1, fold/2]). -export([for_shard_range/1]). -export([set_max_size/1]). @@ -45,6 +46,15 @@ start_link() -> gen_server:start_link({local, ?MODULE}, ?MODULE, [], []). +opts_for_db(DbName) -> + {ok, Db} = mem3_util:ensure_exists(mem3_sync:shards_db()), + case couch_db:open_doc(Db, DbName, [ejson_body]) of + {ok, #doc{body = {Props}}} -> + mem3_util:get_shard_opts(Props); + {not_found, _} -> + erlang:error(database_does_not_exist, ?b2l(DbName)) + end. + for_db(DbName) -> for_db(DbName, []). @@ -144,8 +154,7 @@ local(DbName) -> lists:filter(Pred, for_db(DbName)). fold(Fun, Acc) -> - DbName = config:get("mem3", "shards_db", "_dbs"), - {ok, Db} = mem3_util:ensure_exists(DbName), + {ok, Db} = mem3_util:ensure_exists(mem3_sync:shards_db()), FAcc = {Db, Fun, Acc}, try {ok, LastAcc} = couch_db:fold_docs(Db, fun fold_fun/2, FAcc), @@ -309,15 +318,13 @@ fold_fun(#doc_info{}=DI, {Db, UFun, UAcc}) -> end. get_update_seq() -> - DbName = config:get("mem3", "shards_db", "_dbs"), - {ok, Db} = mem3_util:ensure_exists(DbName), + {ok, Db} = mem3_util:ensure_exists(mem3_sync:shards_db()), Seq = couch_db:get_update_seq(Db), couch_db:close(Db), Seq. listen_for_changes(Since) -> - DbName = config:get("mem3", "shards_db", "_dbs"), - {ok, Db} = mem3_util:ensure_exists(DbName), + {ok, Db} = mem3_util:ensure_exists(mem3_sync:shards_db()), Args = #changes_args{ feed = "continuous", since = Since, @@ -362,8 +369,7 @@ changes_callback(timeout, _) -> load_shards_from_disk(DbName) when is_binary(DbName) -> couch_stats:increment_counter([mem3, shard_cache, miss]), - X = ?l2b(config:get("mem3", "shards_db", "_dbs")), - {ok, Db} = mem3_util:ensure_exists(X), + {ok, Db} = mem3_util:ensure_exists(mem3_sync:shards_db()), try load_shards_from_db(Db, DbName) after |