If you're using Postgres, you actually wouldn't even need to use a partial
index if you can save NULL values instead of empty strings -- a unique
constraint would work as intended because Postgres does not compare NULL
values to one another.
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On 8/22/15 5:33 PM, Andriy Andrusyk wrote:
I use the following column in my table:
|email =Column(String(60),unique=True) |
However, I need the possibility to save empty strings in this column.
Namely, I need something like this:
|email
http://stackoverflow.com/questions/32160819/is-it-possible-to-set-the-constraint-unique-true-except-for-empty-string-into#
I use the following column in my table:
email = Column(String(60), unique=True)
However, I need the possibility to save empty strings in this column.
Namely, I need
