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Add support for folding keys on a single bucket

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This commit is contained in:
martinsumner 2016-11-17 15:55:29 +00:00
parent 67a9f5bae6
commit e3004faa6e
3 changed files with 21 additions and 9 deletions
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13
src/leveled_bookie.erl
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@ -349,6 +349,10 @@ handle_call({return_folder, FolderType}, _From, State) ->
{reply,
allkey_query(State, Tag),
State};
{keylist, Tag, Bucket} ->
{reply,
bucketkey_query(State, Tag, Bucket),
State};
{hashtree_query, Tag, JournalCheck} ->
{reply,
hashtree_query(State, Tag, JournalCheck),
@ -535,7 +539,7 @@ foldobjects(State, Tag, StartKey, EndKey, FoldObjectsFun) ->
{async, Folder}.
allkey_query(State, Tag) ->
bucketkey_query(State, Tag, Bucket) ->
{ok,
{LedgerSnapshot, LedgerCache},
_JournalSnapshot} = snapshot_store(State, ledger),
@ -543,8 +547,8 @@ allkey_query(State, Tag) ->
leveled_log:log("B0004", [gb_trees:size(LedgerCache)]),
ok = leveled_penciller:pcl_loadsnapshot(LedgerSnapshot,
LedgerCache),
SK = leveled_codec:to_ledgerkey(null, null, Tag),
EK = leveled_codec:to_ledgerkey(null, null, Tag),
SK = leveled_codec:to_ledgerkey(Bucket, null, Tag),
EK = leveled_codec:to_ledgerkey(Bucket, null, Tag),
AccFun = accumulate_keys(),
Acc = leveled_penciller:pcl_fetchkeys(LedgerSnapshot,
SK,
@ -556,6 +560,9 @@ allkey_query(State, Tag) ->
end,
{async, Folder}.
allkey_query(State, Tag) ->
bucketkey_query(State, Tag, null).
snapshot_store(State, SnapType) ->
PCLopts = #penciller_options{start_snapshot=true,