[英]Insert on array value in ArangoDB
I have a document just like this. 我有一个像这样的文件。
{ "Node": { "-name": "Dev6", "Interface": [ { "-ip": "10.20.18.65", "-mask": "255.255.255.192" }, { "-ip": "10.20.18.129", "-mask": "255.255.255.192" } ] } } {“节点”:{“-名称”:“ Dev6”,“接口”:[{“ -ip”:“ 10.20.18.65”,“ -mask”:“ 255.255.255.192”},{“ -ip”: “ 10.20.18.129”,“ -mask”:“ 255.255.255.192”}]}}
My perl program is following. 我的perl程序正在关注。
my $dbs_update_Node_by_key ='FOR u IN Node FILTER u._key == @key UPDATE u WITH {
name: @name,
Interface: @Interface
} IN Node';
......
(comments: $inf means [{"-ip","-mask"},{"-ip","-mask"}])
my $bind_args = {
key => $doc->{'_key'},
name => $node_attrs->{'-name'},
Interface => $inf
};
$sth = $itdb->query($dbs_update_Node_by_key)->bind($bind_args)->execute();
It returns "Invalid bind parameter value". 它返回“无效的绑定参数值”。 I think ArangoDB perl driver didn't support it.
我认为ArangoDB perl驱动程序不支持它。 How can I use AQL or REST API to implement it?
如何使用AQL或REST API实施它? Thanks!
谢谢!
I think the problem is that 我认为问题是
[{"-ip","-mask"},{"-ip","-mask"}]
won't work. 将无法正常工作。 When using the curly brackets and member names (eg "-ip", "-mask"), there must be a value associated to each member.
使用大括号和成员名称(例如“ -ip”,“-mask”)时,必须为每个成员都关联一个值。 Using this value instead should work:
使用此值应该可以:
[{"-ip": "a.b.c.d", "-mask": "a.b.c.d" }, {"-ip": "a.b.c.d" ,"-mask": "a.b.c.d" }]
Please also note that in your above query, you will update an attribute named "name", whereas in the example document the attribute name is "-name" (with minus sign in front). 还请注意,在上面的查询中,您将更新名为“ name”的属性,而在示例文档中,属性名称为“ -name”(前面带有减号)。 To use an attribute name with a minus sign at the beginning, it needs to be quoted in backticks in AQL (see below).
要在开头使用带减号的属性名称,需要在AQL的反引号中将其引起来(请参见下文)。
Additionally, the example document has attributes "-name" and "Interface" inside a sub-attribute "Node", whereas the UPDATE command will update attributes "name" and "Interface" on the top level of the document. 此外,示例文档在子属性“节点”内具有属性“ -name”和“接口”,而UPDATE命令将在文档的顶层更新属性“名称”和“接口”。
I have adjusted the query a bit. 我对查询做了一些调整。 The following sequence seems to work from the ArangoShell:
以下序列似乎在ArangoShell中有效:
db._create("Node");
db.Node.save({
"_key": "test",
"Node": {
"someAttribute": "someValue",
"-name": "Dev6",
"Interface": [
{
"-ip": "10.20.18.65",
"-mask": "255.255.255.192"
},
{
"-ip": "10.20.18.129",
"-mask": "255.255.255.192"
}
]
}
});
dbs_update_Node_by_key = 'FOR u IN Node FILTER u._key == @key ' +
'UPDATE u WITH { Node: { `-name`: @name, Interface: @Interface } } IN Node';
bind_args = {
key: "test",
name: "Dev8",
Interface: [
{
"-ip": "8.8.8.8",
"-mask": "255.255.255.192"
},
{
"-ip": "192.168.0.1",
"-mask": "255.255.255.255"
}
]
};
db._query(dbs_update_Node_by_key, bind_args);
db.Node.toArray();
This will produce: 这将产生:
[
{
"_id" : "Node/test",
"_key" : "test",
"_rev" : "18996044030550",
"Node" : {
"-name" : "Dev8",
"someAttribute" : "someValue",
"Interface" : [
{
"-ip" : "8.8.8.8",
"-mask" : "255.255.255.192"
},
{
"-ip" : "192.168.0.1",
"-mask" : "255.255.255.255"
}
]
}
}
]
I am not sure if this is what you required, but at least it updates the document and overwrites the "Interface" attribute with new values. 我不确定这是否是您所需要的,但是至少它会更新文档并用新值覆盖“接口”属性。
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