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from pyspark.sql.functions import udf
from geopy.distance import great_circle
from pyspark.sql.functions import lit, struct

@udf("float")
def great_circle_udf(x, y):
    return great_circle(x, y).kilometers


근처 반경검색

tbl_NHotel , sqlContext.createDataFrame 에서 변환된 DataFrame이다.
RDD를 DataFrame으로 변환하는 방법은 앞장을 참고 


Code Block
point = struct(lit(37.5680423), lit(126.8264086))
# 5백미터 이내에놈을 보여죠...
nearNaver = tbl_NHotel.filter(great_circle_udf(point, struct(tbl_NHotel.latitude, tbl_NHotel.longitude)) < 0.05 )
nearNaver.show(10)


결과
+-------+-----+-------------+----------+-----------+-------+-------+
|     id|price|    goodsname|  latitude|  longitude|region1|region2|
+-------+-----+-------------+----------+-----------+-------+-------+
|3054798|86478|라마다 앙코르 서울 마곡|37.5680423|126.8264086|     서울|    강서구|
+-------+-----+-------------+----------+-----------+-------+-------+