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Amazon RDS 要求
Ranger 需要一个关系数据库作为其策略存储。由于 Amazon RDS 的设置和管理方式不同，基于 Amazon RDS 的数据库还有其他先决条件： MySQL/MariaDB 先决条件 PostgreSQL 先决条件 Oracle 先决条件 -
SQL In Cypher
Create Function Query AGE does not support SQL being directly written in Cypher. However with user defined functions you can write SQL queries and call them in a cypher command... -
Using Cypher in a CTE Expression
There are no restrictions to using Cypher with CTEs (Common Table Expressions ). Query: WITH graph_query as ( SELECT * FROM cypher ( 'graph_name' , $$ ... -
常见问题
如何访问安装页面？ 为什么我无法收到注册邮件？ 如何切换默认语言？ 目前支持哪些数据库类型？是否支持迁移？ 如何访问安装页面？ 请前往 http://localhost:9080/install 访问安装页面。 为什么我无法收到注册邮件？ 你需要在 管理后台 -> 设置 -> SMTP 中配置自己的 SMTP。 如何切换默认语言？ 站... -
PostgreSQL Prerequisite
The Ranger database user in Amazon RDS PostgreSQL Server should be created before installing Ranger and should be granted an existing role which must have the role CREATEDB. Usi... -
Numeric Functions
rand abs ceil floor round sign rand rand() returns a random floating point number in the range from 0 (inclusive) to 1 (exclusive); i.e.[0,1). The numbers returned follow ... -
Using Cypher in a Join expression
A Cypher query can be part of a JOIN clause. Developers Note Cypher queries using the CREATE , SET , REMOVE clauses cannot be used in sql queries with JOINs , as... -
REMOVE
Terminal REMOVE clauses Remove a property The REMOVE clause is used to remove properties from vertex and edges. Terminal REMOVE clauses A REMOVE clause that is not followed ... -
Predicate Functions
Exists(Property) Exists(Path) Predicates are boolean functions that return true or false for a given set of input. They are most commonly used to filter out subgraphs in the WHE... -
User defined functions
Users may add custom functions to AGE. When using Cypher functions, all function calls with a Cypher query use the default namespace of: ag_catalog . However if a user wants to us...
