Sphinx忽略排名,始终按相同顺序排序 [英] Sphinx ignores ranking, always sorts in the same order
问题描述
我在schools
上有狮身人面像索引,当我执行查询时,我总是以相同的顺序收到相同的结果.我尝试了排名,排序和匹配的所有可想象的组合,并且总是得到相同的排序.
I have sphinx index on schools
, and when I do a query I always receive the same results, in the same order. I've tried every imaginable combination of ranking, sorting, and matching, and always get the same sorting.
下面是我得到的不良数据的示例:
A sample of the bad data I'm getting is below:
"albany high"
Albany Junior High School | Auckland, NZ | 2001 (shouldn't be first)
Albany High School | Albany, NY | 2001
South Albany High School | Albany, OR | 2001
Albany High School | Albany, CA | 1001 (shouldn't be last)
如您所见,排名最高的学校不在名为"Albany"的城市中,应该排名较低,而排名最低的"Albany High School"则应该排名更高.此问题已在许多搜索字词中重复出现.
As you can see, the highest-ranked school is not in a city named "Albany", and should be lower, while the lowest-ranked "Albany High School" should be ranked higher than it is. This problem is replicated across many search terms.
Sphinx索引如下:
The Sphinx index looks like this:
source schools : root
{
sql_query = \
SELECT schools.id, schools.name, schools.state, schools.country, schools.city, \
(select COUNT(*) from user2school WHERE school_id = schools.id) as user_count \
FROM schools
sql_attr_uint = user_count
}
index schools
{
source = schools
path = /var/db/sphinx/data/schools
min_infix_len = 3
infix_fields = name
}
生成结果的代码如下:
$sphinx->SetMatchMode(SPH_MATCH_EXTENDED);
$sphinx->SetRankingMode(SPH_RANK_WORDCOUNT);
$sphinx->SetSortMode(SPH_SORT_RELEVANCE);
$sphinx->SetFieldWeights(array(
'id' => 0,
'name' => 1000,
'city' => 0,
'state' => 0,
'user_count' => 0
));
如何让Sphinx识别我的自定义砝码?我尝试过的每种组合似乎都失败了.
How can I get Sphinx to recognize my custom weights? Every combination I've tried seems to fail.
这是另一个具有相同顺序但设置完全不同的示例.我在这里打开的唯一选项是:
Here is another example with the same ordering, but totally different settings. The only option I have turned on here is:
$sphinx->SetRankingMode(SPH_RANK_SPH04);
结果:
"albany high"
Albany Junior High School | Auckland, NZ | 3 (still shouldn't be first)
Albany High School | Albany, NY | 3
South Albany High School | Albany, OR | 2
Albany High School | Albany, CA | 1 (still shouldn't be last)
如您所见,顺序是相同的.我尝试过的排名,排序和权重的每种组合都是相同的.有什么我可以尝试调试的问题吗?
As you can see, the ordering is identical. It is identical in every combination of ranking, sorting, and weighting I have tried. Is there anything I can try to debug this problem?
推荐答案
在您的应用程序中可能是逻辑错误. Sphinx为您提供了ID列表,然后您将使用这些ID从原始数据库检索数据.也许您没有将这些行正确排序.
Perhaps its a logic error in your application. Sphinx gives you a list of IDs, which you would then use to retreive data from the original database. Maybe you arent sorting those rows right.
我只是尝试将您的数据插入测试RT索引(包括字符串属性,因此可以看到数据)
I just tried inserting your data into a test RT index (including a string attribute, so could see the data)
mysql> insert into rttest values (1,'Albany Junior High School','Auckland','NZ','Albany Junior High School, Auckland, NZ');
... etc ...
mysql> select * from rttest where match('albany high');
+------+--------+-----------------------------------------+
| id | weight | value |
+------+--------+-----------------------------------------+
| 2 | 3267 | Albany High School, Albany, NY |
| 3 | 3267 | South Albany High School, Albany, OR |
| 4 | 3267 | Albany High School, Albany, CA |
| 1 | 1304 | Albany Junior High School, Auckland, NZ |
+------+--------+-----------------------------------------+
4 rows in set (0.15 sec)
mysql> select * from rttest where match('albany high') option ranker=sph04;
+------+--------+-----------------------------------------+
| id | weight | value |
+------+--------+-----------------------------------------+
| 2 | 12267 | Albany High School, Albany, NY |
| 4 | 12267 | Albany High School, Albany, CA |
| 3 | 10267 | South Albany High School, Albany, OR |
| 1 | 6304 | Albany Junior High School, Auckland, NZ |
+------+--------+-----------------------------------------+
4 rows in set (0.00 sec)
mysql> select * from rttest where match('albany high') option ranker=wordcount;
+------+--------+-----------------------------------------+
| id | weight | value |
+------+--------+-----------------------------------------+
| 2 | 3 | Albany High School, Albany, NY |
| 3 | 3 | South Albany High School, Albany, OR |
| 4 | 3 | Albany High School, Albany, CA |
| 1 | 2 | Albany Junior High School, Auckland, NZ |
+------+--------+-----------------------------------------+
4 rows in set (0.00 sec)
更改排名模式确实有效.
Changing the ranking mode does work.
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