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Configuring a Database Instance for Ranger
A MySQL, Oracle, PostgreSQL, or Amazon RDS database instance must be running and available to be used by Ranger. The Ranger installation will create two new users (default names: ... -
Install Postgres
Before You Begin Steps Before You Begin If you have already installed a MySQL database, you may skip these steps. You must install Postgres 9.5 or later for SAM and Schema Re... -
Overview
Apache AGE is a PostgreSQL extension that provides graph database functionality. AGE is an acronym for A Graph Extension, and is inspired by Bitnine’s fork of PostgreSQL 10, Agens... -
The AGE Cypher Query Format
Cypher() Cypher in an Expression SELECT Clause Cypher queries are constructed using a function called cypher in ag_catalog which returns a Postgres SETOF records . Cypher() c... -
配置 Postgres 以允许远程连接
关于此任务 步骤 关于此任务 在部署集群之前，将 Postgres 配置为允许远程连接至关重要。如果您在安装集群之前未执行这些步骤，安装将失败。 步骤 打开 /var/lib/pgsql/9.6/data/pg_hba.conf 并更新为以下内容 # "local" is for Unix domain socket connect... -
PL/pgSQL Functions
Dynamic Cypher Cypher commands can be run in PL/pgSQL functions without restriction. Data Setup SELECT * FROM cypher ( 'imdb' , $$ CREATE ( toby : actor { name : ... -
Operators
String Specific Comparison Operators Data Setup Starts With Contains Ends With Regular Expressions Basic String Matching Case insensitive search The . Wildcard The * Wildcar... -
Amazon RDS Requirements
Ranger requires a relational database as its policy store. There are additional prerequisites for Amazon RDS-based databases due to how Amazon RDS is set up and managed: MySQL/M... -
Configure Postgres to Allow Remote Connections
About This Task Steps About This Task It is critical that you configure Postgres to allow remote connections before you deploy a cluster. If you do not perform these steps in a... -
Greenplum
Greenplum Greenplum source connector Description Read Greenplum data through Jdbc connector . Key features batch stream exactly-once column projection supports qu...