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Add compatibility for old and new random / rand functions

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This commit is contained in:
Heinz N. Gies 2017-07-31 20:20:39 +02:00
parent a49d3bbfec
commit 25389893cf
22 changed files with 125 additions and 74 deletions
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6
src/leveled_pmanifest.erl
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@ -330,11 +330,11 @@ merge_lookup(Manifest, LevelIdx, StartKey, EndKey) ->
%% Hence, the initial implementation is to select files to merge at random
mergefile_selector(Manifest, LevelIdx) when LevelIdx =< 1 ->
Level = array:get(LevelIdx, Manifest#manifest.levels),
lists:nth(random:uniform(length(Level)), Level);
lists:nth(leveled_rand:uniform(length(Level)), Level);
mergefile_selector(Manifest, LevelIdx) ->
Level = leveled_tree:to_list(array:get(LevelIdx,
Manifest#manifest.levels)),
{_SK, ME} = lists:nth(random:uniform(length(Level)), Level),
{_SK, ME} = lists:nth(leveled_rand:uniform(length(Level)), Level),
ME.
-spec merge_snapshot(manifest(), manifest()) -> manifest().
@ -924,7 +924,7 @@ ext_keylookup_manifest_test() ->
{ok, BytesCopied} = file:copy(Man7FN, Man7FNAlt),
{ok, Bin} = file:read_file(Man7FN),
?assertMatch(BytesCopied, byte_size(Bin)),
RandPos = random:uniform(bit_size(Bin) - 1),
RandPos = leveled_rand:uniform(bit_size(Bin) - 1),
<<Pre:RandPos/bitstring, BitToFlip:1/integer, Rest/bitstring>> = Bin,
Flipped = BitToFlip bxor 1,
ok = file:write_file(Man7FN,