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RFC: Ideas for what to include in a user tutorial

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评估

难度
5/5
预计耗时
一周以上
新手友好度
25/100
Issue 类型
文档
描述清晰度
需要澄清
活跃度
停滞
技术栈
python, rust
领域
documentation

调研方向

首先审阅现有的在线文档以及 issue 中提出的主题,包括 DataFrame 创建、文件格式、集成和 UDFs。项目就教程范围达成一致,且最终的教程涵盖选定的入门工作流时,这项工作就完成了。

由索引模型根据 Issue 内容生成。

描述

enhancement

Is your feature request related to a problem or challenge? Please describe what you are trying to do.

In addition to the information we already have in the online documentation, it would be helpful to write a tutorial guiding a user through the various portions of DataFusion and how to get started. This issue is to collect ideas for what people would like to see in such a tutorial

Describe the solution you'd like

Please comment with topics that should be covered.

Additional context

Things I would like to see (unsorted list)

  • Creating a small dataframe from a pyarrow array
  • Reading/Writing data from/to csv and parquet
  • Zero copy import of data from pyarrow
  • Transferring DataFrame to/from pandas/polars
  • Displaying data via show(), repr_html(), and great tables
  • Basic column selection, including indexing into fields and element for structs and arrays
  • Performing joins
  • Performing window and aggregate functions, including how default and custom window frames work
  • Integrating with deltalake
  • Using object store from S3, Google Cloud, Azure
  • Unnesting columns
  • Making structs and arrays
  • Chaining DataFrame operations with transform (PR in review)
  • Doing a variety of conditional operations (both case and when without base statement)
  • Examples of string manipulation
  • Doing date time conversion
  • Writing a UDF (advanced topic: writing a rust UDF and using with datafusion-python)

Please add to the list what you would like to see!

主要语言
Python
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