From 0df0dfbfac91c2cc4dce1ae73d4026121d109275 Mon Sep 17 00:00:00 2001 From: Ryuta Kamizono Date: Thu, 20 Jul 2017 12:13:11 +0900 Subject: Should keep the table name qualified `*` for distinct subquery --- activerecord/lib/active_record/relation/calculations.rb | 2 +- activerecord/test/cases/calculations_test.rb | 12 ++++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) (limited to 'activerecord') diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index a4714f138a..d281f8673f 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -388,7 +388,7 @@ module ActiveRecord def build_count_subquery(relation, column_name, distinct) relation.select_values = [ if column_name == :all - distinct ? Arel.star : Arel.sql("1") + distinct ? table[Arel.star] : Arel.sql("1") else column_alias = Arel.sql("count_column") aggregate_column(column_name).as(column_alias) diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 0541b78f0f..92d071187d 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -248,6 +248,18 @@ class CalculationsTest < ActiveRecord::TestCase assert_equal 4, Account.distinct.order(:firm_id).limit(4).offset(2).count end + def test_distinct_joins_count_with_order_and_limit + assert_equal 3, Account.joins(:firm).distinct.order(:firm_id).limit(3).count + end + + def test_distinct_joins_count_with_order_and_offset + assert_equal 3, Account.joins(:firm).distinct.order(:firm_id).offset(2).count + end + + def test_distinct_joins_count_with_order_and_limit_and_offset + assert_equal 3, Account.joins(:firm).distinct.order(:firm_id).limit(3).offset(2).count + end + def test_should_group_by_summed_field_having_condition c = Account.group(:firm_id).having("sum(credit_limit) > 50").sum(:credit_limit) assert_nil c[1] -- cgit v1.2.3