我创建了这个 couchbase 索引
CREATE INDEX `idx_additionalOrderCode` ON
`order`(ALL ARRAY s.`value` FOR s IN additionalOrderCode WHEN s.`typeCode`= "MYCODE" END)
WHERE _class = "com.entrprise.OrderEntity"
基于本页中的示例
https://docs.couchbase.com/server/6.0/n1ql/n1ql-language-reference/indexing-arrays.html
但是当我用这个选择查询查询这个索引时:
SELECT * FROM `order`
WHERE `_class` = "com.entrprise.OrderEntity"
AND ANY s IN additionalOrderCode SATISFIES ( s.`value` = "130047777" ) and (s.typeCode = "MYCODE" ) END
我得到了错误
"msg": "No index available on keyspace order that matches your query. Use CREATE INDEX or CREATE PRIMARY INDEX to create an index, or check that your expected index is online."
没有主索引支持查询,我希望我的所有查询都由二级索引支持。
我使用的是 Enterprise Edition 6.0.0 build 1693
谢谢你的帮助
最佳答案
用这个索引解决了(我只删除了distinct和array之间的ALL)
CREATE INDEX `idx_additionalOrderCode` ON `order`
(distinct (array (aoc.`value`) for `aoc` in `additionalOrderCode` WHEN aoc.`typeCode`= "WLEC" END), orderTypeCode)
WHERE (`_class` = "com.entreprise.OrderEntity")
关于couchbase - 这个 couchbase 索引有什么问题?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55053370/