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2. 强制、阻止和可选查询:

1) Mandatory:查询结果中必须包括的(for example, only entry name containing the word make)

Solr/Lucene Statement:+make, +make +up ,+make +up +kiss

2) prohibited:(for example, all documents except those with word believe)

Solr/Lucene Statement:+make +up -kiss

3) optional:

Solr/Lucene Statement:+make +up kiss

 

3. 布尔操作:AND、OR和NOT布尔操作(必须大写)与Mandatory、optional和prohibited相似。

1) make AND up = +make +up :AND左右两边的操作都是mandatory

2) make || up = make OR up=make up :OR左右两边的操作都是optional

3) +make +up NOT kiss = +make +up –kiss

4) make AND up OR french AND Kiss不可以达到期望的结果,因为AND两边的操作都是mandatory的。


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