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require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper')
module Arel
describe Alias do
before do
@relation = Table.new(:users)
end
describe '==' do
it "obtains if the objects are the same" do
Alias.new(@relation).should_not == Alias.new(@relation)
(aliaz = Alias.new(@relation)).should == aliaz
end
end
describe '#to_sql' do
describe 'when there is no ambiguity' do
it 'does not alias table names anywhere a table name can appear' do
sql = @relation \
.where(@relation[:id].eq(1)) \
.order(@relation[:id]) \
.project(@relation[:id]) \
.group(@relation[:id]) \
.alias \
.to_sql
adapter_is :mysql do
sql.should be_like(%Q{
SELECT `users`.`id`
FROM `users`
WHERE `users`.`id` = 1
GROUP BY `users`.`id`
ORDER BY `users`.`id` ASC
})
end
adapter_is_not :mysql do
sql.should be_like(%Q{
SELECT "users"."id"
FROM "users"
WHERE "users"."id" = 1
GROUP BY "users"."id"
ORDER BY "users"."id" ASC
})
end
end
end
end
end
end
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