[英]Embedding record from function in OrientDB
I'd like to embed a record into another one using a function in OrientDB. 我想使用OrientDB中的函数将记录嵌入到另一个记录中。
I have a class called Backup. 我有一堂课叫做备份。 Here's it's definition:
这是它的定义:
create class Backup extends V
create property Backup.dateTime datetime
create property Backup.record embedded V
What I want to do is to call an OrientDB function, passing it an arbitrary @rid, and it will make a backup of that record for me. 我想要做的是调用OrientDB函数,将其传递给任意@rid,它将为我备份该记录。 Here's what I tried so far:
这是我到目前为止尝试过的:
//function createBackup(id)
var gdb = orient.getGraphNoTx();
var rec = gdb.command("sql", "select from V where @rid = ?", [id]);
var v = gdb.command("sql", "create vertex Backup set dateTime = ?, record = ?", [(new Date().getTime()), rec[0].getRecord().toJSON()]);
...
Tried using rec[0]
, or rec[0].getRecord()
instead, but function always throws an error at me. 尝试使用
rec[0]
或rec[0].getRecord()
,但是函数总是向我抛出错误。 Any ideas? 有任何想法吗?
OrientDB - v2.0.6 OrientDB-v2.0.6
var graph = orient.getGraphNoTx();
var query = "select @this.exclude('@rid').toJson() as json from V where @rid = " + id;
var result = graph.command("sql", query);
var command = "create vertex Backup "
+ "set dateTime = " + new Date().getTime() + ", "
+ " record = " + result[0].getRecord().field('json');
graph.command("sql", command);
return;
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