Hi!
I'm writing a constraint and I'm stuck. I'm trying to validate that
the column's length is 10, and nothing else. I wrote:
constraint :number_has_length_10, :length.sql_function(:number) ==
10
The generated SQL is:
CREATE TABLE (
...
, CONSTRAINT "number_is_proper_length" CHECK false
);
The false is generated because :length.sql_function(:number) is
obviously NOT equal to Fixnum 10, thus the return value of false. I
know Sequel has a rule where no overridding of core Ruby methods is
allowed, but I wonder how I should be writing this? Should I use a
literal?
Thanks!
François
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