jokerCoCo commented on issue #1972:
URL:
https://github.com/apache/incubator-hugegraph/issues/1972#issuecomment-1280335573
> 我这边简单的构造了一个示例数据，尝试了一下如下语句是可行的：
>
> ```java
> g.V().hasLabel('node').group().by{it.values('city',
'profession').toList()}.by(id)
> ```
>
> 示例数据：
>
> ```java
> schema=graph.schema();
> schema.propertyKey('profession').asText().ifNotExist().create();
> schema.propertyKey('city').asText().ifNotExist().create();
>
schema.vertexLabel('node')properties('profession','city').useCustomizeNumberId().create();
> schema.edgeLabel('child').sourceLabel('node').targetLabel('node').create();
>
> g.addV('node').property(id, 1).property('profession',
"Java").property('city', 'Beijing').as('1')
> .addV('node').property(id, 2).property('profession',
"Java").property('city', 'Beijing').as('2')
> .addV('node').property(id, 3).property('profession',
"Java").property('city', 'Sanghai').as('3')
> .addV('node').property(id, 4).property('profession',
"DB").property('city', 'Sanghai').as('4')
> .addE('child').from('1').to('2')
> .addE('child').from('2').to('3')
> .addE('child').from('4').to('3')
> ```
非常感谢您的回复，这样确实可以实现多属性分组。但是分组后依旧会存在重复，请问该如何实现分组后对每组根据指定属性去重？
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