[DBIx-Class-Devel] [sql-translator] some more optimizations for add_field (#55)

[Christian Walde]

IIRC the gains were substantial, provided the table is large enough. To get actual numbers i'd need to look up the actual case though. Pleanning to get around to that next week.

What exactly does double-digit gain mean?

As for the duplicate thing, i think it'll be best if i simply make a test for it and have it retain behavior on that. I think it'll be possible to get both that, and the speed-up.

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https://github.com/dbsrgits/sql-translator/pull/55#issuecomment-115670249
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