[SPARK-48148] JSON objects should not be modified when read as STRING

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: Spark Core
• Labels: pull-request-available
• Assignee: Eric Maynard
• Reporter: Eric Maynard
• Created: 06/May/24 20:40
• Updated: 01/Dec/24 23:37
• Resolved: 09/May/24 23:41

Description

Currently, when reading a JSON like this:

{"a": {"b": -999.99999999999999999999999999999999995}}

With the schema:

a STRING

Spark will yield a result like this:

{"b": -1000.0}

This is due to how we convert a non-string value to a string in JacksonParser

Issue Links

• links to: GitHub Pull Request #46408
• links to: GitHub Pull Request #49018