diff options
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb | 9 | ||||
| -rw-r--r-- | activerecord/test/cases/migration/rename_table_test.rb | 23 |
2 files changed, 28 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 3eff9e2f83..55566f1e34 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -377,14 +377,15 @@ module ActiveRecord clear_cache! execute "ALTER TABLE #{quote_table_name(table_name)} RENAME TO #{quote_table_name(new_name)}" pk, seq = pk_and_sequence_for(new_name) - if seq && seq.identifier == "#{table_name}_#{pk}_seq" - new_seq = "#{new_name}_#{pk}_seq" + if pk idx = "#{table_name}_pkey" new_idx = "#{new_name}_pkey" - execute "ALTER TABLE #{seq.quoted} RENAME TO #{quote_table_name(new_seq)}" execute "ALTER INDEX #{quote_table_name(idx)} RENAME TO #{quote_table_name(new_idx)}" + if seq && seq.identifier == "#{table_name}_#{pk}_seq" + new_seq = "#{new_name}_#{pk}_seq" + execute "ALTER TABLE #{seq.quoted} RENAME TO #{quote_table_name(new_seq)}" + end end - rename_table_indexes(table_name, new_name) end diff --git a/activerecord/test/cases/migration/rename_table_test.rb b/activerecord/test/cases/migration/rename_table_test.rb index 7bcabd0cc6..5da3ad33a3 100644 --- a/activerecord/test/cases/migration/rename_table_test.rb +++ b/activerecord/test/cases/migration/rename_table_test.rb @@ -79,10 +79,33 @@ module ActiveRecord assert_equal ConnectionAdapters::PostgreSQL::Name.new("public", "octopi_#{pk}_seq"), seq end + def test_renaming_table_renames_primary_key + connection.create_table :cats, id: :uuid, default: "uuid_generate_v4()" + rename_table :cats, :felines + + assert connection.table_exists? :felines + refute connection.table_exists? :cats + + primary_key_name = connection.select_values(<<-SQL.strip_heredoc, "SCHEMA")[0] + SELECT c.relname + FROM pg_class c + JOIN pg_index i + ON c.oid = i.indexrelid + WHERE i.indisprimary + AND i.indrelid = 'felines'::regclass + SQL + + assert_equal "felines_pkey", primary_key_name + ensure + connection.drop_table :cats, if_exists: true + connection.drop_table :felines, if_exists: true + end + def test_renaming_table_doesnt_attempt_to_rename_non_existent_sequences connection.create_table :cats, id: :uuid, default: "uuid_generate_v4()" assert_nothing_raised { rename_table :cats, :felines } assert connection.table_exists? :felines + refute connection.table_exists? :cats ensure connection.drop_table :cats, if_exists: true connection.drop_table :felines, if_exists: true |