[ARROW-384] Align Java and C++ RecordBatch data and metadata layout

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.2.0
• Component/s: C++, Java
• External issue URL: https://github.com/apache/arrow/issues/15990
• Assignee: Wes McKinney
• Reporter: Julien Le Dem
• Created: 21/Nov/16 23:33
• Updated: 11/Jan/23 07:08
• Resolved: 30/Nov/16 16:49

Description

layout on C++ side:

<buffers> <metadata> <metadata size: int32>

and on the java side:

<metadata> <buffers>

In the file format the footer has a Block info that contains the metadata length.
https://github.com/apache/arrow/blob/f082b17323354dc2af31f39c15c58b995ba08360/format/File.fbs#L36
See:
https://github.com/apache/arrow/pull/211#issuecomment-262080545

Issue Links

• is blocked by: ARROW-392 Fix string/binary integration tests