[ARROW-10082] [Rust]: Return error on mismatching datatypes in json reader

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Component/s: Rust
• External issue URL: https://github.com/apache/arrow/issues/26098
• Assignee: Unassigned
• Reporter: Jörn Horstmann
• Created: 24/Sep/20 13:46
• Updated: 11/Jan/23 08:10
• Resolved: 26/Apr/21 12:36

Description

See https://github.com/apache/arrow/blob/f358a29b35a9059c42aa8e6bcdd7a17136f14647/rust/arrow/src/json/reader.rs#L678

 

If the schema specifies a different datatype than what is in the file the value gets silently ignored. Instead we should return an error.