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Add database constraints

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This commit is contained in:
Artur Beljajev 2019-10-04 13:28:25 +03:00
parent 840f1db5c9
commit ba33f5740e
10 changed files with 345 additions and 225 deletions
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13
db/migrate/20191004105732_add_blocked_domains_name_uniq_constraint.rb Normal file
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class AddBlockedDomainsNameUniqConstraint < ActiveRecord::Migration
def up
execute <<-SQL
ALTER TABLE blocked_domains ADD CONSTRAINT uniq_blocked_domains_name UNIQUE (name);
SQL
end
def down
execute <<-SQL
ALTER TABLE blocked_domains DROP CONSTRAINT uniq_blocked_domains_name;
SQL
end
end