diff options
6 files changed, 30 insertions, 9 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index ec3ec06c2b..6424899a45 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,10 @@ +* Support dropping indexes concurrently in Postgres. + + See http://www.postgresql.org/docs/9.4/static/sql-dropindex.html for more + details. + + *Grey Baker* + * PostgreSQL, `create_schema`, `drop_schema` and `rename_table` now quote schema names. 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 a30945d0ee..4653904105 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -607,10 +607,7 @@ module ActiveRecord # remove_index :accounts, name: :by_branch_party # def remove_index(table_name, options = {}) - remove_index!(table_name, index_name_for_remove(table_name, options)) - end - - def remove_index!(table_name, index_name) #:nodoc: + index_name = index_name_for_remove(table_name, options) execute "DROP INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)}" end 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 a3fc8fbc51..26ef23a0d9 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -447,8 +447,15 @@ module ActiveRecord execute "CREATE #{index_type} INDEX #{index_algorithm} #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} #{index_using} (#{index_columns})#{index_options}" end - def remove_index!(table_name, index_name) #:nodoc: - execute "DROP INDEX #{quote_table_name(index_name)}" + def remove_index(table_name, options = {}) #:nodoc: + index_name = index_name_for_remove(table_name, options) + algorithm = + if options.key?(:algorithm) + index_algorithms.fetch(options[:algorithm]) do + raise ArgumentError.new("Algorithm must be one of the following: #{index_algorithms.keys.map(&:inspect).join(', ')}") + end + end + execute "DROP INDEX #{algorithm} #{quote_table_name(index_name)}" end # Renames an index of a table. Raises error if length of new diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 358039723f..24fc67938d 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -375,7 +375,8 @@ module ActiveRecord pks[0]['name'] end - def remove_index!(table_name, index_name) #:nodoc: + def remove_index(table_name, options = {}) #:nodoc: + index_name = index_name_for_remove(table_name, options) exec_query "DROP INDEX #{quote_column_name(index_name)}" end diff --git a/activerecord/test/cases/adapters/postgresql/active_schema_test.rb b/activerecord/test/cases/adapters/postgresql/active_schema_test.rb index dc7ba314c6..d0f5f56786 100644 --- a/activerecord/test/cases/adapters/postgresql/active_schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/active_schema_test.rb @@ -51,6 +51,15 @@ class PostgresqlActiveSchemaTest < ActiveRecord::PostgreSQLTestCase assert_equal expected, add_index(:people, :last_name, :unique => true, :where => "state = 'active'", :using => :gist) end + def test_remove_index + expected = %(DROP INDEX CONCURRENTLY "index_people_on_last_name") + assert_equal expected, remove_index(:people, name: "index_people_on_last_name", algorithm: :concurrently) + + assert_raise ArgumentError do + add_index(:people, :last_name, algorithm: :copy) + end + end + private def method_missing(method_symbol, *arguments) ActiveRecord::Base.connection.send(method_symbol, *arguments) diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb index ea7e5ac587..bee612d8d3 100644 --- a/activerecord/test/cases/adapters/postgresql/schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb @@ -321,11 +321,11 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase def test_with_uppercase_index_name @connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)" - assert_nothing_raised { @connection.remove_index! "things", "#{SCHEMA_NAME}.things_Index"} + assert_nothing_raised { @connection.remove_index "things", name: "#{SCHEMA_NAME}.things_Index"} @connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)" with_schema_search_path SCHEMA_NAME do - assert_nothing_raised { @connection.remove_index! "things", "things_Index"} + assert_nothing_raised { @connection.remove_index "things", name: "things_Index"} end end |