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“Neo4j函数”;加载带有标题的csv";不加载属性_Neo4j_Cypher_Load Csv - Fatal编程技术网

“Neo4j函数”;加载带有标题的csv";不加载属性

“Neo4j函数”;加载带有标题的csv";不加载属性,neo4j,cypher,load-csv,Neo4j,Cypher,Load Csv,我尝试使用load CSV with headers命令将以下节点加载到Neo4j中: id label name 0 Person Dave 1 Person Boris 2 Person Rita 3 Person Daniel 4 Person Papa 5 Person Mama 我将Excel工作表另存为: CSV UTF-8 (Comma delimited) (*.csv) 文件位置为: C:\Users\FY197T (207690

我尝试使用load CSV with headers命令将以下节点加载到Neo4j中:

id  label   name
0   Person  Dave
1   Person  Boris
2   Person  Rita
3   Person  Daniel
4   Person  Papa
5   Person  Mama
我将Excel工作表另存为:

CSV UTF-8 (Comma delimited) (*.csv)
文件位置为:

 C:\Users\FY197T (2076902)\Documents\Neo4j\default.graphdb\import\nodes.csv
在编辑器中打开时如下所示:

id;label;name
0;Person;Dave
1;Person;Boris
2;Person;Rita
3;Person;Daniel
4;Person;Papa
5;Person;Mama
要将节点加载到Neo4j中,我使用:

load csv with headers from "file:///nodes.csv" as persons create (p1:Person {nodeID:persons.id, label: persons.label, name: persons.name})
但我得到的是:

Added 6 labels, created 6 nodes, completed after 105 ms.
所以有6个节点(我有6行),但它们都没有任何属性

我已经尝试使用不同的分隔符保存文件,或者手动添加引号。后者给出:

there's a field starting with a quote and whereas it ends that quote
there seems to be characters in that field after that ending quote. That 
isn't supported. This is what I read: '"id"";"'
PS:我读了关于stackoverflow的所有其他帖子,但没有一篇能帮我解决这个问题

编辑

一,

给出:

 persons.label
 (empty)
 (empty)
 (empty)
 (empty)
 (empty)
 (empty)
二,

给出:

persons
{
   "id": "0",
   "label": "Person",
   "name": "Dave"
}
{
   "id": "1",
  "label": "Person",
   "name": "Boris"
 }
an so on....

当您使用
作为字段分隔符,应指定选项。这样:

使用此CSV文件:

id;label;name
0;Person;Dave
1;Person;Boris
2;Person;Rita
3;Person;Daniel
4;Person;Papa
5;Person;Mama
以及此导入脚本:

load csv with headers from "file:///nodes.csv" as persons FIELDTERMINATOR ';'
create (p1:Person {nodeID:persons.id, label: persons.label, name: persons.name})
导入后,我在图形上运行了以下简单查询:

MATCH (n) RETURN n
结果如下:

╒═══════════════════════════════════════════════╕
│"n"                                            │
╞═══════════════════════════════════════════════╡
│{"name":"Dave","label":"Person","nodeID":"0"}  │
├───────────────────────────────────────────────┤
│{"name":"Boris","label":"Person","nodeID":"1"} │
├───────────────────────────────────────────────┤
│{"name":"Rita","label":"Person","nodeID":"2"}  │
├───────────────────────────────────────────────┤
│{"name":"Daniel","label":"Person","nodeID":"3"}│
├───────────────────────────────────────────────┤
│{"name":"Papa","label":"Person","nodeID":"4"}  │
├───────────────────────────────────────────────┤
│{"name":"Mama","label":"Person","nodeID":"5"}  │
└───────────────────────────────────────────────┘

您可以尝试使用backticks:

    load csv with headers from "file:///nodes.csv" as persons FIELDTERMINATOR ';' return persons.`label`;

不幸的是,我得到了相同的结果:添加了6个标签,创建了6个标签nodes@Boris很奇怪。。。我将您的CSV数据复制并粘贴到导入目录中名为
nodes.CSV
的文件中。添加
字段终止符后
选项所有工作。。。您能否共享存储在导入目录中的原始CSV文件?是的,非常奇怪,可能是.conf文件中的某些内容?@Boris,与您的CSV结果相同。一切正常。我在一台Linux机器上工作。@Boris“加载csv并从中获取标题”的输出是什么file:///nodes.csv“作为终结者”;“返回人员?
╒═══════════════════════════════════════════════╕
│"n"                                            │
╞═══════════════════════════════════════════════╡
│{"name":"Dave","label":"Person","nodeID":"0"}  │
├───────────────────────────────────────────────┤
│{"name":"Boris","label":"Person","nodeID":"1"} │
├───────────────────────────────────────────────┤
│{"name":"Rita","label":"Person","nodeID":"2"}  │
├───────────────────────────────────────────────┤
│{"name":"Daniel","label":"Person","nodeID":"3"}│
├───────────────────────────────────────────────┤
│{"name":"Papa","label":"Person","nodeID":"4"}  │
├───────────────────────────────────────────────┤
│{"name":"Mama","label":"Person","nodeID":"5"}  │
└───────────────────────────────────────────────┘
    load csv with headers from "file:///nodes.csv" as persons FIELDTERMINATOR ';' return persons.`label`;