Github user sebbASF commented on the issue:
https://github.com/apache/incubator-ponymail/issues/198
This is probably because the list of emails returned by stats.lua does not
contain the body; only the top level entry in thread_struct contains the first
part of the body. It would be possible to store the truncated body in the
emails instead of in the thread_struct, but that would require more memory,
depending on how many threads there are.
Some memory could be saved in the thread_struct table by dropping the epoch
- it already looks as though the GUI has to fetch the subject from the emails
table so it might as well fetch the epoch too.
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