2024 Orientdb select expand

Orientdb select expand

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Witryna4 lip 2015 · Lets assume the following model in OrientDB graph: I have a Profile vertex. Profiles are connected with 2 edges: Liked and Commented.Both edges have a "value" field indicating the count of the action (or the "weight" of the edge).So, if user A commented 3 times on posts by user B there will be a Commented edge from user A … WitrynaSELECT coalesce(amount, amount2, amount3) FROM Account if() Syntax: if(, , ) Evaluates a condition (first …

OrientDB - expand() with additional fields - Stack Overflow

Witryna18 maj 2015 · If you want to know only the connected vertices to some starting vertex by the edge 'teaches' you should use SELECT EXPAND (OUT / IN / BOTH) because TRAVERSE is more useful if you wish to … Witrynaorientdb> SELECT FROM Profile ORDER BY name DESC; Return the number of records in the class Account per city: orientdb> SELECT SUM (*) FROM Account … highest rated electric power washer

Query Examples · OrientDB Manual

Witryna29 maj 2015 · My "Friend" edge is lightweight and is working fine, but whenever I try to select anything using the property inside "isGoing" (Datetime date), the select returns … Witryna18 wrz 2015 · Здравствуйте, меня зовут Дмитрий Карловский и я… антиконформист, то есть человек, который не держится за свои привычки и всегда готов их поменять, если в том есть необходимость. Например, как и многие... WitrynaIn that case, however, OrientDB had created a Lightweight Edge before you set the rule to force the creation of documents for Owns instances. To fix this, you need to drop and recreate the edge. orientdb> DELETE EDGE FROM # 11: 0 TO # 12: 0 orientdb> CREATE EDGE Owns FROM ( SELECT FROM Person ) TO ( SELECT FROM Car ) highest rated electric heater

java - 查詢OrientDB中的嵌入列表 - 堆棧內存溢出

Witryna18 maj 2015 · I've been playing around with OrientDB's default database about Grateful Dead. I am struggling to get equal results from two queries which should deliver the same result. But they do not. query 1: Witryna21 gru 2015 · Note that "select rid from #3:1" is quite different from "select @rid from #3:1", which in turn is different from "select from #3:1". Share Follow how hard is the hesi a2Witrynaorientdb - OrientDB SQL SELECT 语句中如何合并字段. SELECT FROM ( SELECT EXPAND (INV ()) FROM ( SELECT FROM ( SELECT EXPAND (OUTE ( 'Streamed' )) FROM ( SELECT EXPAND ( OUT ( 'Follows' )) FROM #12:3923 ) ) ) ) 从 @rid #12:3923 这是一个 User 类，找到他关注的 Users 并查看他们流 (边)的帖子 (顶点)。. 现在有了 ... how hard is the hesi test

"Witryna11 maj 2015 · 1 Answer. Sorted by: 4. As you realised, you need to use expand in your subquery, so it would look like. SELECT out ('IsFromCategory') FROM (SELECT expand (out ('Posted')) FROM #18:1) It's like the subquery without the expand returns a list of @rid, so there's nothing to select from there, while after expanding, you get a list with … " - Orientdb select expand

Orientdb select expand

How to combine fields in OrientDB SQL SELECT statement

Witryna8 sie 2024 · 图元素之间的面向对象继承. 所以从现在开始，我们将避免使用plain V，E并且将始终创建自定义类。. 让我们开发一个示例图来模拟基于餐馆的社交网络：. orientdb> create class Person extends V. orientdb> create class Restaurant extends V. 现在已经创建了模式，让我们用一些顶点 ... WitrynaNow allow the ETL to run by executing both imports in sequence. Open a shell under the OrientDB home directory, and execute the following steps: $ cd bin $ ./oetl.sh post.json $ ./oetl.sh comment.json. Once both scripts execute successfully, you'll have your Blog imported into OrientDB as a Graph!

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Witryna26 paź 2015 · select expand ($a) let $a = (traverse out ('NEXT') from (select from Person where ident = 5) while name <> 'Alice') unwind $a I can select the last RID in … WitrynaOrientDB supports the SQL language to execute queries against the database engine. For more information, see operators and functions. For more information on the …

Witrynajquery select google-chrome; 如何使用jQuery获取多个选择框值？ jquery; jQuery克隆问题（克隆表单输入集） jquery; 使用JQuery Sortable toArray和connectWith；如何获取所有项目的ID？ jquery jquery-ui; jQuery未完成显示 jquery autocomplete; Jquery 获取动态填充的select的值 jquery Witryna我的OrientDB數據庫版本 . . 中有一個文檔，結構很像這樣：如何在整個列表中查詢，例如。如果我想查找包含忽略類型的測試用例的所有文檔我嘗試了以下查詢但這會導致NumberFormatException 。 adsbygoogle window.adsbygoogle .push

Witryna10 sie 2015 · It seems OrientDB developers have considered this though, as the query SELECT FROM (SELECT expand(in('Region')) FROM #41:1) limit 100 only does 100 … Witryna30 mar 2024 · OrientDB is the first Multi-Model Distributed DBMS with a True Graph Engine. Multi-Model means 2nd generation NoSQL able to manage complex domain with incredible performance. OrientDB manages relation. ... Select Grid® View. Live. Trending. Select Company Size. All. Small Business. Mid Market.

WitrynaJquery选择关注页面加载（onLoad？）,jquery,forms,onload,Jquery,Forms,Onload,我在一个选择框上使用jQuerySelected插件，不过我想把重点放在页面加载上。

Witryna11 maj 2015 · SELECT out ('IsFromCategory') FROM (SELECT expand (out ('Posted')) FROM #18:1) It's like the subquery without the expand returns a list of @rid, so … how hard is the ged testWitryna11 sty 2016 · select username, myPost.name as postBody, myPost.postdate as postDate from (select username,out("Streamed") as myPost from (select EXPAND(OUT('Follows')) from #12:0) unwind myPost) The command 'unwind' serves to separate each line of the various posts so as to obtain a view of the most similar to a … how hard is the hpt testWitrynaexpand () Available since: 1.4.0 This function has two meanings: When used on a collection field, it unwinds the collection in the field and use it as result. When used on … highest rated electrician in lakeway txWitryna16 gru 2014 · To reference Identity you have to use in select out.firstName, out.lastName, in.email, in.password from (select expand (inE ()) from Identity where … highest rated electric kettlesWitrynaOrientDB supports the SQL language to execute queries against the database engine. For more information, see operators and functions. For more information on the … highest rated electric oil heatersWitryna17 lut 2014 · Furthermore I cannot execute any selection criteria against the players field: orientdb> select from games where players contains (username = "[email protected]") 0 item(s) found. Query executed in 0.0020 sec(s). orientdb> select from games where players[username] = "[email protected]" 0 item(s) found. … highest rated electric ovenhttp://orientdb.com/docs/3.0.x/sql/SQL-Projections.html highest rated electric pressure cooker