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|
require 'spec_helper'
module Arel
describe Take do
before do
@relation = Table.new(:users)
@taken = 4
end
describe '#to_sql' do
it "manufactures sql with limit and offset" do
sql = Take.new(@relation, @taken).to_sql
adapter_is :mysql do
sql.should be_like(%Q{
SELECT `users`.`id`, `users`.`name`
FROM `users`
LIMIT 4
})
end
adapter_is :oracle do
sql.should be_like(%Q{
SELECT "USERS"."ID", "USERS"."NAME"
FROM "USERS"
WHERE ROWNUM <= 4
})
sql_with_order_by = Take.new(@relation.order(@relation[:id]), @taken).to_sql
sql_with_order_by.should be_like(%Q{
select * from
(SELECT "USERS"."ID", "USERS"."NAME"
FROM "USERS"
ORDER BY "USERS"."ID" ASC)
where rownum <= 4
})
sql_with_distinct = Take.new(@relation.project('DISTINCT "USERS"."ID"'), @taken).to_sql
sql_with_distinct.should be_like(%Q{
select * from
(SELECT DISTINCT "USERS"."ID"
FROM "USERS")
where rownum <= 4
})
end
adapter_is_not :mysql, :oracle do
sql.should be_like(%Q{
SELECT "users"."id", "users"."name"
FROM "users"
LIMIT 4
})
end
end
end
end
end
|
