diff options
Diffstat (limited to 'spec/engines/sql/unit/relations/take_spec.rb')
-rw-r--r-- | spec/engines/sql/unit/relations/take_spec.rb | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/spec/engines/sql/unit/relations/take_spec.rb b/spec/engines/sql/unit/relations/take_spec.rb new file mode 100644 index 0000000000..9f2967a0bd --- /dev/null +++ b/spec/engines/sql/unit/relations/take_spec.rb @@ -0,0 +1,49 @@ +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 + }) + 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 |