[SPARK-45863] Add user guide for column selections

• Type: Sub-task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.0.0
• Component/s: Documentation, PySpark
• Assignee: Unassigned
• Reporter: Allison Wang
• Created: 09/Nov/23 19:59
• Updated: 09/Nov/23 19:59

Description

Add a simple user guide for column selections in PySpark. This should cover the following API: lit, df.col, and cover common column operations such as: removing a column from a data frame, adding new columns, dropping a duplicate column, etc.