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Comments for Postgres alter column problems and solutions #722

phinjensen opened this issue Nov 11, 2017 · 1 comment


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commented Nov 11, 2017

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commented Nov 11, 2017

original author: Roger Pack
date: 2015-08-27T11:49:46-04:00

I would mention that "not valid" constraints can still have valid underlying "indexes" it's just that the "foreign key" part is usually 'double checked' after the index is created, and the double check is skipped, FWIW.

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