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嗨,我正在使用带有 woosh 的 haystack 作为搜索引擎:

我的模型如下

class Person(models.Model):
    personid = models.IntegerField(primary_key = True, db_column = 'PID')  
    firstname = models.CharField(max_length = 50, db_column = 'FIRSTNAME')  
    lastname = models.CharField(max_length = 50, db_column = 'LASTNAME') 
    class Meta:
        db_table = '"TEST"."PERSON"'
        managed = False


class TDoc(models.Model):
    tdocid = models.IntegerField(primary_key = True, db_column = 'TDOCID')  
    person = models.ForeignKey(Person, db_column = 'PID')
    content = models.TextField(db_column = 'CONTENT', blank = True) 
    filepath = models.TextField(db_column = 'FILEPATH', blank = True) 
    class Meta:
        db_table = '"TEST"."TDOC"'
        managed = False

search_index.py 如下:

class TDocIndex(SearchIndex):

    content = CharField(model_attr = 'content', document = True)
    filepaht = CharField(model_attr = 'filepath')
    person = CharField(model_attr = 'person')

    def get_queryset(self):
        return TDoc.objects.all()

    def prepare_person(self, obj):
        # Store a list of id's for filtering
        return obj.person.lastname

site.register(TDoc, TDocIndex)

我的问题是我想做多个归档搜索,例如

内容:xxx和人:史密斯

在干草堆上,它一次搜索所有这些我无法进行特定的字段搜索。我怀疑我的索引已损坏,但是:

ix = open_dir("/testindex")

searcher = ix.searcher()

mparser = MultifieldParser(["content", "filepath", "person"], schema = ix.schema)
myquery = mparser.parse(content:xxx AND person:SMITH')
results = searcher.search(myquery)
for result in results:
    print result

但它有效并返回正确的值。我正在使用教程中的标准 haystack SearchView,search.html

(r'^search/', include('haystack.urls')),
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1 回答 1

5

在您的索引中,您应该使用 定义一个字段document=True,这是 haystack 将搜索的文档。按照惯例,该字段被命名为text。如果您计划对它们的值进行过滤或排序,则可以添加额外的字段。

执行搜索时考虑多个字段的方法是将文档定义为模板,并use_template在文档字段上进行设置。您的索引将如下所示:

class TDocIndex(SearchIndex):

    text = CharField(document=True, use_template=True)

    #if you plan to filter by person
    personid = IntegerField(model_attr='person__id') 

site.register(TDoc, TDocIndex)

你会有一个 search/indexes/tdoc_text.txt 模板,比如:

{{ object.content }}
{{ object.filepath }}
{{ object.person.lastname }}

看到这个答案。

于 2013-04-30T21:05:56.990 回答