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SQL Templating
Jinja Templates Available Macros Jinja Templates SQL Lab and Explore supports Jinja templating in queries. To enable templating, the ENABLE_TEMPLATE_PROCESSING feature flag ... -
Webapi 接口
以个人身份模仿WEB操作 第三方系统调用夜莺 n9e-webapi 模块提供了两类接口，一个是 /api/n9e 打头的，给前端调用，另一类是 /v1/n9e 打头的，给第三方系统调用。如果想以个人身份模仿WEB操作，也是调用 /api/n9e 相关接口。 以个人身份模仿WEB操作 这种方式，页面上 JavaScript 可以调用的所有接口，... -
Clustering
Background How is compaction different from clustering? Clustering Architecture Overall, there are 2 steps to clustering Schedule clustering Execute clustering Clustering Use... -
Accumulo Clients
Creating Client Code Creating an Accumulo Client Authentication Writing Data BatchWriter ConditionalWriter Durability Reading Data Scanner Isolated Scanner BatchScanner ... -
简介
Apache DolphinScheduler 是一个分布式易扩展的可视化DAG工作流任务调度开源系统。适用于企业级场景，提供了一个可视化操作任务、工作流和全生命周期数据处理过程的解决方案。 Apache DolphinScheduler 旨在解决复杂的大数据任务依赖关系，并为应用程序提供数据和各种 OPS 编排中的关系。 解决数据研发ETL依赖错综复杂... -
Design & Concepts
How does Hudi ensure atomicity? Does Hudi extend the Hive table layout? What concurrency control approaches does Hudi adopt? Hudi’s commits are based on transaction start time i... -
Troubleshooting
Writing Tables org.apache.parquet.io.InvalidRecordException: Parquet/Avro schema mismatch: Avro field ‘col1’ not found java.lang.UnsupportedOperationException: org.apache.parquet.... -
PyPI
OS Dependencies Python Virtual Environment Installing and Initializing Superset This page describes how to install Superset using the apache-superset package publis... -
HTTP Connector
http asynchronous write Write with Apache StreamPark™ http asynchronous write support type Configuration list of HTTP asynchronous write HTTP writes data asynchronously Other ... -
Creating Your First Dashboard
Connecting to a new database Registering a new table Customizing column properties Superset semantic layer Creating charts in Explore view Creating a slice and ...