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我想实现一个模糊搜索与Python飞快移动,但我不明白。我试图在NGRAMWORDS的帮助下进行模糊搜索。模糊搜索与Python飞快移动
这里是我的架构:
schema = Schema(id=ID(stored=True),
name=NGRAMWORDS(minsize=2, maxsize=4, stored=True, queryor=True),
street=NGRAMWORDS(minsize=2, maxsize=4, stored=True, queryor=True),
city=NGRAMWORDS(minsize=2, maxsize=4, stored=True, queryor=False))
索引,然后填写如下所述:
writer.add_document(id=unicode(row["id"]), name=unicode(row["name"]), street=unicode(row["street"]), city=unicode(row["city"]))
不幸的是,当涉及到任何结果从索引中检索出搜索:
with self.index.searcher() as searcher:
from whoosh.query import Term, Or, FuzzyTerm
from whoosh.analysis import NgramWordAnalyzer
ngramAnalyzer = NgramWordAnalyzer(minsize=2, maxsize=4)
tokens = [token.text for token in ngramAnalyzer(unicode(name))]
fetig = list()
for t in tokens:
tt = FuzzyTerm("name", unicode(t))
fetig.append(tt)
myQuery = Or(fetig)
res = searcher.search(myQuery, limit=10)
当搜索“Ali”时我得到零回击:
<Top 0 Results for Or([FuzzyTerm('name', u'al', boost=1.000000, maxdist=1, prefixlength=1), FuzzyTerm('name', u'ali', boost=1.000000, maxdist=1, prefixlength=1), FuzzyTerm('name', u'li', boost=1.000000, maxdist=1, prefixlength=1)]) runtime=0.000411987304688>