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-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb36
-rw-r--r--activerecord/test/cases/adapters/mysql2/sp_test.rb6
2 files changed, 15 insertions, 27 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index f4686b680c..96a3a44b30 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -99,33 +99,15 @@ module ActiveRecord
# DATABASE STATEMENTS ======================================
#++
- # FIXME: re-enable the following once a "better" query_cache solution is in core
- #
- # The overrides below perform much better than the originals in AbstractAdapter
- # because we're able to take advantage of mysql2's lazy-loading capabilities
- #
- # # Returns a record hash with the column names as keys and column values
- # # as values.
- # def select_one(sql, name = nil)
- # result = execute(sql, name)
- # result.each(as: :hash) do |r|
- # return r
- # end
- # end
- #
- # # Returns a single value from a record
- # def select_value(sql, name = nil)
- # result = execute(sql, name)
- # if first = result.first
- # first.first
- # end
- # end
- #
- # # Returns an array of the values of the first column in a select:
- # # select_values("SELECT id FROM companies LIMIT 3") => [1,2,3]
- # def select_values(sql, name = nil)
- # execute(sql, name).map { |row| row.first }
- # end
+ # Returns a record hash with the column names as keys and column values
+ # as values.
+ def select_one(arel, name = nil, binds = [])
+ arel, binds = binds_from_relation(arel, binds)
+ execute(to_sql(arel, binds), name).each(as: :hash) do |row|
+ @connection.next_result while @connection.more_results?
+ return row
+ end
+ end
# Returns an array of arrays containing the field values.
# Order is the same as that returned by +columns+.
diff --git a/activerecord/test/cases/adapters/mysql2/sp_test.rb b/activerecord/test/cases/adapters/mysql2/sp_test.rb
index cdaa2cca44..4197ba45f1 100644
--- a/activerecord/test/cases/adapters/mysql2/sp_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/sp_test.rb
@@ -22,6 +22,12 @@ class Mysql2StoredProcedureTest < ActiveRecord::Mysql2TestCase
assert @connection.active?, "Bad connection use by 'Mysql2Adapter.select_rows'"
end
+ def test_multi_results_from_select_one
+ row = @connection.select_one('CALL topics(1);')
+ assert_equal 'David', row['author_name']
+ assert @connection.active?, "Bad connection use by 'Mysql2Adapter.select_one'"
+ end
+
def test_multi_results_from_find_by_sql
topics = Topic.find_by_sql 'CALL topics(3);'
assert_equal 3, topics.size