Elssky commented on issue #660:
URL:
https://github.com/apache/incubator-graphar/issues/660#issuecomment-2503108027
Here is a yml example for multi-property, We introduce `is_multiple` field
to distinguish a property whether it is multiple-property
``` yml
# person.vertex.yaml
type: person
chunk_size: 1024
prefix: vertex/person/
property_groups:
- properties:
- name: id
data_type: int64
is_primary: true
# primary property can not be multiple
is_multiple: false
prefix: id/
file_type: csv
- properties:
- name: name
data_type: string
is_primary: false
is_multiple: true
- name: skill
data_type: list
is_primary: false
is_multiple: false
prefix: name_age/
file_type: csv
version: gar/v1
```
Given a vertex as follows
``` xsl
id|name|skill
2|'craig','dave'|'guitar','boxing'
# or like this
# 2|'craig','dave'|['guitar','boxing']
```
In this example, the type of `name` is string, and the value of
`is_multiple` is `true`,
so if you search person with **name** `'craig'` or`'dave'`, you can get this
vertex.
The type of `skill` is list, and the value of `is_multiple` is `false`,
if you search person with **skill** `['guitar', 'boxing']`, you can get this
vertex. However, if you search person with skill `'guitar'` or `'boxing'`, it
not works
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