ha3 能否支持类似于es should 打分的功能
ARSwhut opened this issue · comments
比如现在有个array字段attr_catid，对含有10085，10086的doc进行打分，我发现只能只用NUMBER索引
query类似于：
select constant_score('attr_catid', '10086^20,10085^10') where contain(xxx, 'xxx') andor contain(attr_catid, '10085|10086')
constant_score('attr_catid', '10086^20,10085^10') 是udf, contain(xxx, 'xxx')是匹配条件，contain(attr_catid, '10085|10086')用于拿到对应的term不用于匹配过滤，但是现在也没有A ANROR B 这种语法，也就是A必须匹配，B可匹配也可不匹配，匹配拿到的doc中attr_catid 字段中如果有10085和10086就加分，没有就不加分，这也是es里面常见的用法，想问下内部有没有相关场景？等待各位大佬的回复
补充一下：实际上就是实现基于类似es的Rank feature query的功能，如果某个字段等于多少，就额外得分
https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-rank-feature-query.html
这个判断可以放在udf内部遍历，但如果这种条件字段较多，可能性能较低
使用RANK是否可以满足需求？A RANK B，A必须匹配，B可以匹配也可以不匹配
使用RANK是否可以满足需求？A RANK B，A必须匹配，B可以匹配也可以不匹配
请问下 RANK 是 contain(xxx, 'xxx') RANK contain(attr_catid, '10085|10086')是这么用的吗？我试了下会报错
failed to get sql plan, error message is : [IQUAN_EC_INTERNAL_ERROR] internal error : org.apache.calcite.sql.parser.SqlParseException: Encountered "RANK" at line 1, column 102.
Was expecting one of:
"EXCEPT" ...
"FETCH" ...
"FILTER" ...
"GROUP" ...
"HAVING" ...
"INTERSECT" ...
"LIMIT" ...
"OFFSET" ...
"ORDER" ...
"OVER" ...
"MINUS" ...
"UNION" ...
"WINDOW" ...
"WITHIN" ...
"." ...
"NOT" ...
"IN" ...
"<" ...
"<=" ...
">" ...
">=" ...
"=" ...
"<>" ...
"!=" ...
"BETWEEN" ...
"LIKE" ...
"ILIKE" ...
"RLIKE" ...
"SIMILAR" ...
"+" ...
"-" ...
"*" ...
"/" ...
"%" ...
"||" ...
"AND" ...
"OR" ...
"IS" ...
"MEMBER" ...
"SUBMULTISET" ...
"CONTAINS" ...
"OVERLAPS" ...
"EQUALS" ...
"PRECEDES" ...
"SUCCEEDS" ...
"IMMEDIATELY" ...
"MULTISET" ...
"[" ...
"FORMAT" ...
"IGNORE" ...
"RESPECT" ...