issue 1100

inverted_index_euclid.json

{
  "converter" : {
    "string_filter_types": {},
    "string_filter_rules":[],
    "num_filter_types": {},
    "num_filter_rules": [],
    "string_types": {},
    "string_rules":[
      {"key" : "*", "type" : "str", "sample_weight":"bin", "global_weight" : "bin"}
    ],
    "num_types": {},
    "num_rules": [
      {"key" : "*", "type" : "num"}
    ]
  },
  "method": "inverted_index_euclid"
}

recommender.py

import jubatus
from jubatus.common import Datum

c = jubatus.Recommender("localhost", 9199, "hoge")
for i in range(1,4):
    d = Datum({"x":i, "y": i, "z": i})
    c.update_row(str(i), d)

c = jubatus.Recommender("localhost", 9199, "hoge")

print(c.similar_row_from_id_and_rate("1", -0.1))
print(c.similar_row_from_id_and_rate("1", -0.5))
print(c.similar_row_from_id_and_rate("1", -1.2))

'''
result:
[]
[id_with_score{id: 1, score: -0.0}, id_with_score{id: 2, score: -1.7320507764816284}, id_with_score{id: 3, score: -3.464101552963257}]
[id_with_score{id: 1, score: -0.0}, id_with_score{id: 2, score: -1.7320507764816284}, id_with_score{id: 3, score: -3.464101552963257}]

and jubatus variable value:

rate:-0.1, ceil:-0, ret_num:0
rate:-0.5, ceil:-0, ret_num:18446744073709551615
rate:-1.2, ceil:-1, ret_num:18446744073709551613
'''