Python 如何以pyES提交查询?
我有以下Python代码来查询ElasticSearch索引。无论我尝试什么查询,我都会得到一个空的结果集。我似乎错过了一些基本的技巧Python 如何以pyES提交查询?,python,
elasticsearch,pyes,Python,
elasticsearch,Pyes,我有以下Python代码来查询ElasticSearch索引。无论我尝试什么查询,我都会得到一个空的结果集。我似乎错过了一些基本的技巧 import sys import pyes from pyes.query import TermQuery, FuzzyLikeThisFieldQuery, BoolQuery conn = pyes.ES(('http', '?????.qbox.io', '80')) INDEX = "postoffice" def state_query(do
import sys
import pyes
from pyes.query import TermQuery, FuzzyLikeThisFieldQuery, BoolQuery
conn = pyes.ES(('http', '?????.qbox.io', '80'))
INDEX = "postoffice"
def state_query(doc):
return TermQuery(field="STATE_ALPHA", value=doc["state"])
def fuzzy_county_query(doc):
return FuzzyLikeThisFieldQuery(field="COUNTY_NAME", like_text=doc["county"])
def fuzzy_name_query(doc):
return FuzzyLikeThisFieldQuery(field="FEATURE_NAME", like_text=doc["place"])
def find_within_county(doc):
return BoolQuery(must=[state_query(doc), fuzzy_county_query(doc)], should=fuzzy_name_query(doc))
if __name__ == "__main__":
test = dict(place="Rockport", county="Essex", state="MA")
q = find_within_county(test)
print q._serialize()
results = conn.search(query=q, indices=[INDEX])
for result in results:
print result
事实上,这很简单。术语查询的值应为小写。下面的操作很好
def state_query(doc):
return TermQuery(field="STATE_ALPHA", value=doc["state"].lower())
我在这里得到了这个想法。更准确地说,术语查询是一个过滤器,而不是一个实际的查询。过滤器不会通过分析器,因为它们会查找精确匹配。我想我打开了一个简单的小写字母分析器。