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Update use-importer.md #2543

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Feb 2, 2023
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Update use-importer.md #2543

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6380694
Update use-importer.md
foesa-yang Feb 2, 2023
5a0e527
Update docs-2.0/nebula-importer/use-importer.md
foesa-yang Feb 2, 2023
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Update docs-2.0/nebula-importer/use-importer.md
foesa-yang Feb 2, 2023
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11 changes: 10 additions & 1 deletion docs-2.0/nebula-importer/use-importer.md
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Original file line number Diff line number Diff line change
Expand Up @@ -261,13 +261,20 @@ schema:
index: 1
- name: gender
type: string
defaultValue: "male"
- name: phone
type: string
nullable: true
- name: wechat
- name: email
type: string
nullable: true
nullValue: "__NULL__"
- name: address
type: string
nullable: true
alternativeIndices:
- 7
- 8
```

|参数|默认值|是否必须|说明|
Expand All @@ -283,6 +290,8 @@ schema:
|`files.schema.vertex.tags.props.index`|-|否|属性对应 CSV 文件中列的序号。|
|`files.schema.vertex.tags.props.nullable`|`false`|否|属性是否可以为`NULL`，可选`true`或者`false`。|
|`files.schema.vertex.tags.props.nullValue`|`""`|否|`nullable`设置为`true`时，属性的值与`nullValue`相等则将该属性值设置为`NULL`。|
|`files.schema.vertex.tags.props.alternativeIndices`|-|否|当`nullable`为`false`时忽略。该属性根据索引顺序从 csv 中获取，直到不等于`nullValue`。|
|`files.schema.vertex.tags.props.defaultValue`|-|否当`nullable`为`false`时忽略。根据`index`和`alternativeIndices`获取的所有值为`nullValue`时设置默认值。|

!!! note
CSV 文件中列的序号从 0 开始，即第一列的序号为 0，第二列的序号为 1。
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