[mythtv-users] restoring some channels to get back EIT functionality

[UB40D]

On 31 December 2016 at 16:01, Stephen Worthington <stephen_agent at jsw.gen.nz>
wrote:

> It is also possible to
> restore the old channel table to a different table name (eg
> channel_old), then compare the two tables using SQL commands to see
> what the differences are and where you went wrong, and just copying
> the specific rows you want back again from the channel_old table to
> the channel table, then finally deleting the channel_old table.
>

To make sure I had a clue of what tables had changed and which changes were
worth preserving, I thought I might just do a diff of the backups I took
before and after deleting the channels. But I got

diff: memory exhausted

This seems to be due to the absurdly long lines used by the sql dump,
rather than to the overall size of the file. Am I right? Is there a simple
workaround?
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