Fixed wrong quoting of index names in postgres [#2402 state:resolved]

Signed-off-by: NTarmo Tänav <tarmo@itech.ee>

activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

@@ -858,7 +858,7 @@ def rename_column(table_name, column_name, new_column_name)
 
       # Drops an index from a table.
       def remove_index(table_name, options = {})
-        execute "DROP INDEX #{index_name(table_name, options)}"
+        execute "DROP INDEX #{quote_table_name(index_name(table_name, options))}"
       end
 
       # Maps logical Rails types to PostgreSQL-specific data types.

activerecord/test/cases/schema_test_postgresql.rb

@@ -113,6 +113,16 @@ def test_dump_indexes_for_schema_two
     do_dump_index_tests_for_schema(SCHEMA2_NAME, INDEX_A_COLUMN, INDEX_B_COLUMN_S2)
   end
 
+  def test_with_uppercase_index_name
+    ActiveRecord::Base.connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
+    assert_nothing_raised { ActiveRecord::Base.connection.remove_index :things, :name => "#{SCHEMA_NAME}.things_Index"}
+
+    ActiveRecord::Base.connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
+    ActiveRecord::Base.connection.schema_search_path = SCHEMA_NAME
+    assert_nothing_raised { ActiveRecord::Base.connection.remove_index :things, :name => "things_Index"}
+    ActiveRecord::Base.connection.schema_search_path = "public"
+  end
+
   private
     def columns(table_name)
       @connection.send(:column_definitions, table_name).map do |name, type, default|