[HUDI-6380] Add API to fetch transformed schema in Transformer

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.14.0
• Fix Version/s: 0.14.0
• Component/s: deltastreamer
• Labels: pull-request-available
• Assignee: Lokesh Jain
• Reporter: Lokesh Jain
• Created: 15/Jun/23 06:40
• Updated: 16/Jun/23 06:17
• Resolved: 16/Jun/23 06:17

Description

The jira aims to add a new API for fetching transformed schema in the Transformer. It adds the following API.
```
StructType transformedSchema(JavaSparkContext jsc, SparkSession sparkSession, StructType incomingStruct, TypedProperties properties
```
which returns StructType. The StructType represents the schema of the dataset after transformation is complete. The API has a default implementation provided.

Issue Links

• links to: GitHub Pull Request #8982