From caaf40d5358ae8a2b31949c2af2d94be1be73976 Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Sat, 24 Sep 2005 19:50:57 +0000 Subject: Added AbstractAdapter#select_value and AbstractAdapter#select_values as convenience methods for selecting single values, instead of hashes, of the first column in a SELECT #2283 git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2323 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activerecord/test/finder_test.rb | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'activerecord/test/finder_test.rb') diff --git a/activerecord/test/finder_test.rb b/activerecord/test/finder_test.rb index 2f23503ce1..8fc89f3808 100644 --- a/activerecord/test/finder_test.rb +++ b/activerecord/test/finder_test.rb @@ -311,6 +311,19 @@ class FinderTest < Test::Unit::TestCase assert developer_names.include?('Jamis') end + def test_select_value + assert_equal "37signals", Company.connection.select_value("SELECT name FROM companies WHERE id = 1") + assert_nil Company.connection.select_value("SELECT name FROM companies WHERE id = -1") + # make sure we didn't break count... + assert_equal 0, Company.count_by_sql("SELECT COUNT(*) FROM companies WHERE name = 'Halliburton'") + assert_equal 1, Company.count_by_sql("SELECT COUNT(*) FROM companies WHERE name = '37signals'") + end + + def test_select_values + assert_equal ["1","2","3"], Company.connection.select_values("SELECT id FROM companies ORDER BY id LIMIT 3") + assert_equal ["37signals","Summit","Microsoft"], Company.connection.select_values("SELECT name FROM companies ORDER BY id LIMIT 3") + end + protected def bind(statement, *vars) if vars.first.is_a?(Hash) -- cgit v1.2.3