Sha256: 5c15ec3244c5c3598a63ca74504c8426fd788d4225815fced8382088e2d7254f
Contents?: true
Size: 512 Bytes
Versions: 34
Compression:
Stored size: 512 Bytes
Contents
class AddUniqueIndexOnTokensValue < ActiveRecord::Migration
def up
say_with_time "Adding unique index on tokens, this may take some time..." do
# Just in case
duplicates = Token.connection.select_values("SELECT value FROM #{Token.table_name} GROUP BY value HAVING COUNT(id) > 1")
Token.where(:value => duplicates).delete_all
add_index :tokens, :value, :unique => true, :name => 'tokens_value'
end
end
def down
remove_index :tokens, :name => 'tokens_value'
end
end
Version data entries
34 entries across 34 versions & 1 rubygems