Elasticsearch查询时间提升导致顺序不足的结果
one two
three应用boost每个关键字的功能后，给定搜索关键字的ES搜索结果似乎错误。请帮助我修改我的“错误”查询，以完成下文所述的“预期结果”。我在使用LUCENE
*
- three被认为是最重要的关键字 ：
word - boost---- -----
one 1
two 2
three 3
- 仅显示MySQL转储以使发布更短
mysql> SELECT id, title FROM post;+----+-------------------+
| id | title |
+----+-------------------+
| 1 | one |
| 2 | two |
| 3 | three |
| 4 | one two |
| 5 | one three |
| 6 | one two three |
| 7 | two three |
| 8 | none |
| 9 | one abc |
| 10 | two abc |
| 11 | three abc |
| 12 | one two abc |
| 13 | one two three abc |
| 14 | two three abc |
+----+-------------------+
14 rows in set (0.00 sec)
- 用户正在搜索one two three。 我对记分相同的记录的顺序并不感到困惑。
我的意思是，如果记录6和13切换位置，我不在乎。
+----+-------------------+| id | title | my scores for demonstration purposes
+----+-------------------+
| 6 | one two three | (1+2+3 = 6)
| 13 | one two three abc | (1+2+3 = 6)
| 7 | two three | (2+3 = 5)
| 14 | two three abc | (2+3 = 5)
| 5 | one three | (1+3 = 4)
| 4 | one two | (1+2 = 3)
| 12 | one two abc | (1+2 = 3)
| 3 | three | (3 = 3)
| 11 | three abc | (3 = 3)
| 2 | two | (2 = 2)
| 10 | two abc | (2 = 2)
| 1 | one | (1 = 1)
| 9 | one abc | (1 = 1)
| 8 | none | <- This shouldn't appear
+----+-------------------+
14 rows in set (0.00 sec)
- 不幸的是，这就是我得到的。
+----+-------------------+| id | title | _score
+----+-------------------+
| 6 | one two three | 1.0013864
| 13 | one two three abc | 1.0013864
| 4 | one two | 0.57794875
| 3 | three | 0.5310148
| 7 | two three | 0.50929534
| 5 | one three | 0.503356
| 14 | two three abc | 0.4074363
| 11 | three abc | 0.36586377
| 12 | one two abc | 0.30806428
| 10 | two abc | 0.23231897
| 2 | two | 0.12812772
| 1 | one | 0.084527075
| 9 | one abc | 0.07408653
+----+-------------------+
curl -XPOST "http://127.0.0.1:9200/_search?post_dev" -d'{
"query": {
"bool": {
"must": {
"match": {
"title": {
"query": "one two three"
}
}
},
"should": [
{
"match": {
"title": {
"query": "one",
"boost": 1
}
}
},
{
"match": {
"title": {
"query": "two",
"boost": 2
}
}
},
{
"match": {
"title": {
"query": "three",
"boost": 3
}
}
}
]
}
},
"sort": [
{
"_score": {
"order": "desc"
}
}
],
"from": "0",
"size": "100"
}'
其他一些测试查询：
- 该查询不会产生任何结果。
- 此查询不正确顺序似乎在这里。
回答：
# Index some test datacurl -XPUT "localhost:9200/test/doc/1" -d '{"title": "one"}'
curl -XPUT "localhost:9200/test/doc/2" -d '{"title": "two"}'
curl -XPUT "localhost:9200/test/doc/3" -d '{"title": "three"}'
curl -XPUT "localhost:9200/test/doc/4" -d '{"title": "one two"}'
curl -XPUT "localhost:9200/test/doc/5" -d '{"title": "one three"}'
curl -XPUT "localhost:9200/test/doc/6" -d '{"title": "one two three"}'
curl -XPUT "localhost:9200/test/doc/7" -d '{"title": "two three"}'
curl -XPUT "localhost:9200/test/doc/8" -d '{"title": "none"}'
curl -XPUT "localhost:9200/test/doc/9" -d '{"title": "one abc"}'
curl -XPUT "localhost:9200/test/doc/10" -d '{"title": "two abc"}'
curl -XPUT "localhost:9200/test/doc/11" -d '{"title": "three abc"}'
curl -XPUT "localhost:9200/test/doc/12" -d '{"title": "one two abc"}'
curl -XPUT "localhost:9200/test/doc/13" -d '{"title": "one two three abc"}'
curl -XPUT "localhost:9200/test/doc/14" -d '{"title": "two three abc"}'
# Make test data available for search
curl -XPOST "localhost:9200/test/_refresh?pretty"
# Search using function score
curl -XPOST "localhost:9200/test/doc/_search?pretty" -d'{
"query": {
"function_score": {
"query": {
"match": {
"title": "one two three"
}
},
"functions": [
{
"filter": {
"query": {
"match": {
"title": "one"
}
}
},
"weight": 1
},
{
"filter": {
"query": {
"match": {
"title": "two"
}
}
},
"weight": 2
},
{
"filter": {
"query": {
"match": {
"title": "three"
}
}
},
"weight": 3
}
],
"score_mode": "sum",
"boost_mode": "replace"
}
},
"sort": [
{
"_score": {
"order": "desc"
}
}
],
"from": "0",
"size": "100"
}'
以上是 Elasticsearch查询时间提升导致顺序不足的结果 的全部内容， 来源链接： utcz.com/qa/404715.html
