Ignore index name in `index_exists?` when not passed a name to check for

1 files changed, 1 insertions, 2 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index b50d28862c..93f0d9d0e7 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -82,11 +82,10 @@ module ActiveRecord
       #
       def index_exists?(table_name, column_name, options = {})
         column_names = Array(column_name).map(&:to_s)
-        index_name = options.key?(:name) ? options[:name].to_s : index_name(table_name, column: column_names)
         checks = []
-        checks << lambda { |i| i.name == index_name }
         checks << lambda { |i| i.columns == column_names }
         checks << lambda { |i| i.unique } if options[:unique]
+        checks << lambda { |i| i.name == options[:name].to_s } if options[:name]
 
         indexes(table_name).any? { |i| checks.all? { |check| check[i] } }
       end