Warning: file_get_contents(/data/phpspider/zhask/data//catemap/6/mongodb/12.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/3/sql-server-2005/2.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Mongodb 索引是否将appl与精确字段匹配,或者是否也包含分部?_Mongodb_Indexing - Fatal编程技术网

Mongodb 索引是否将appl与精确字段匹配,或者是否也包含分部?

Mongodb 索引是否将appl与精确字段匹配,或者是否也包含分部?,mongodb,indexing,Mongodb,Indexing,如果我在mongodb中的以下字段上有索引: current_plates_partial_end_index = IndexModel([ ("p1", ASCENDING), ("l1", ASCENDING), ("l2", ASCENDING), ("l3", ASCENDING) ], name="current_plates_partial_end_index") 该索引

如果我在mongodb中的以下字段上有索引:

current_plates_partial_end_index = IndexModel([
            ("p1", ASCENDING),
            ("l1", ASCENDING),
            ("l2", ASCENDING),
            ("l3", ASCENDING)
        ], name="current_plates_partial_end_index")
该索引是否适用于部分子集,例如
p1、l2、l3
,或者必须包含字段才能使用索引(
p1、l1、l2、l3

我需要为基于自由文本的搜索创建一些新索引,我不想在我已有的索引上创建重复


谢谢

这是关于复合索引的。“此索引是否应用于部分子集…”:称为索引前缀:.“…基于自由文本搜索的索引…”:有关此信息,请参阅和。