Hi All,
As part of my research into my previous question about MVAs and cached IDs,
I noticed that TS uses GROUP_CONCAT to assemble the list of integer IDs in a
case like this:

  has users(:id)

I know from a previous bug in another project that GROUP_CONCAT silently
truncates the result string if it exceeds the 'group_concat_max_len' system
variable, which defaults to 1024 characters. This is probably fine for most
cases, but if you exceed that limit, you'll get invalid data.

This is just an FYI, rather than a bug report or feature request.

best,
christian.

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