Packages
dqe
0.2.0
0.4.15
0.4.14
0.4.13
0.4.12
0.4.11
0.4.10
0.4.9
0.4.8
0.4.7
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.3.25
0.3.24
0.3.23
0.3.22
0.3.21
0.3.20
0.3.19
0.3.18
0.3.17
0.3.16
0.3.15
0.3.14
0.3.13
0.3.12
0.3.11
0.3.10
0.3.9
0.3.8
0.3.7
0.3.6
0.3.5
0.3.4
0.3.3
0.3.2
0.3.1
0.2.2
0.2.1
0.2.0
0.1.36
0.1.35
0.1.34
0.1.33
0.1.22
0.1.21
0.1.20
0.1.10
0.1.9
DalmatinerDB query engine
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Files
src/dqe_hfun2.erl
-module(dqe_hfun2).
-behaviour(dflow).
-export([describe/1, init/1, start/2, emit/3, done/2]).
init([Aggr, V, SubQ]) ->
{ok, {Aggr, V}, SubQ}.
describe({Aggr, V}) ->
[atom_to_list(Aggr), "(", float_to_binary(V), ")"].
start({_Start, _Count}, Aggr) ->
{ok, Aggr}.
emit(_Child, {histogram, {Histogram, Resolution}}, {Aggr, V}) ->
Vs = [hdr_histogram:Aggr(H, V) || H <- Histogram],
Data = mmath_bin:realize(mmath_bin:from_list(Vs)),
{emit, {realized, {Data, Resolution}}, {Aggr, V}}.
done({last, _Child}, Aggr) ->
{done, Aggr}.