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WITH
Introduction Filter on aggregate function results Sort results before using collect on them Limit branching of a path search Introduction Using WITH , you can manipulate the ... -
Query based
Introduction Constructs QueryBasedSource QueryBasedExtractor build readRecord Configuration Introduction QueryBasedSource represents a category of sources whose data... -
配置文件
config.yaml 描述 我们使用 yaml 配置文件。它将在执行 answer init 命令后自动生成。默认路径为 /data/conf/config.yaml 。 config.yaml 描述 server : http : addr : 0.0 . 0.0 : 80 # 项目访问端口号 data ... -
Streaming Writes
Spark Streaming Spark Streaming You can write Hudi tables using spark’s structured streaming. Scala // spark-shell // prepare to stream write to new table import org .... -
Glue Data Catalog
Syncing to Glue Data Catalog This document walks through the steps to register an Apache XTable™ (Incubating) synced table in Glue Data Catalog on AWS. Pre-requisites Source ta... -
JDO v JPA : API
The two persistence standards in Java have very similar API’s on the face of it. Here we give a comparison of the method calls and their equivalent in the other API. Operation... -
在 Postgres 中配置 Druid 和元数据存储
关于此任务 步骤 关于此任务 Druid 和 Superset 需要一个关系数据存储来存储元数据。要为此使用 Postgres，请安装 Postgres 并为 Druid 元存储创建数据库。如果您已经使用 MySQL 创建了数据存储，则无需在 Postgres 中配置其他元数据存储。 步骤 登录 Postgres： sudo su po... -
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... -
命令行
用法 全局选项 命令 init check run upgrade dump build plugin config Answer 二进制文件支持一些命令行选项 用法 answer command [command or global options] [arguments...] 运行 answer 的方法如下： ... -
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...
