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Make ink fold more generic

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Also makes the fold_from_sequence loop much easier to follow
This commit is contained in:
Martin Sumner 2017-11-17 14:54:53 +00:00
parent 39ad5c9680
commit 50c81d0626
4 changed files with 116 additions and 81 deletions
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16
src/leveled_bookie.erl
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@ -653,7 +653,9 @@ loadqueue_ledgercache(Cache) ->
%% Query can be no_lookup, indicating the snapshot will be used for non-specific
%% range queries and not direct fetch requests. {StartKey, EndKey} if the the
%% snapshot is to be used for one specific query only (this is much quicker to
%% setup, assuming the range is a small subset of the overall key space).
%% setup, assuming the range is a small subset of the overall key space). If
%% lookup is required but the range isn't defined then 'undefined' should be
%% passed as the query
snapshot_store(LedgerCache, Penciller, Inker, SnapType, Query, LongRunning) ->
LedgerCacheReady = readycache_forsnapshot(LedgerCache, Query),
BookiesMem = {LedgerCacheReady#ledger_cache.loader,
@ -760,10 +762,18 @@ get_runner(State,
leveled_runner:foldheads_allkeys(SnapFun,
Tag, FoldFun,
JournalCheck, SegmentList);
get_runner(State,
get_runner(State,
{foldobjects_allkeys, Tag, FoldFun, SnapPreFold}) ->
get_runner(State,
{foldobjects_allkeys, Tag, FoldFun, SnapPreFold, key_order});
get_runner(State,
{foldobjects_allkeys, Tag, FoldFun, SnapPreFold, key_order}) ->
SnapFun = return_snapfun(State, store, no_lookup, true, SnapPreFold),
leveled_runner:foldobjects_allkeys(SnapFun, Tag, FoldFun);
leveled_runner:foldobjects_allkeys(SnapFun, Tag, FoldFun, key_order);
get_runner(State,
{foldobjects_allkeys, Tag, FoldFun, SnapPreFold, sqn_order}) ->
SnapFun = return_snapfun(State, store, undefined, true, SnapPreFold),
leveled_runner:foldobjects_allkeys(SnapFun, Tag, FoldFun, sqn_order);
get_runner(State,
{foldheads_bybucket,
Tag, Bucket, KeyRange,