diff options
Diffstat (limited to 'activerecord')
6 files changed, 59 insertions, 29 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index b543a76639..2a0cd81be5 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,5 @@ +## Rails 6.0.0.beta1 (January 18, 2019) ## + * Remove deprecated `#set_state` from the transaction object. *Rafael Mendonça França* diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb index ceb8b40bd9..84dd28907b 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb @@ -17,6 +17,42 @@ module ActiveRecord "VALIDATE CONSTRAINT #{quote_column_name(name)}" end + def visit_ChangeColumnDefinition(o) + column = o.column + column.sql_type = type_to_sql(column.type, column.options) + quoted_column_name = quote_column_name(o.name) + + change_column_sql = +"ALTER COLUMN #{quoted_column_name} TYPE #{column.sql_type}" + + options = column_options(column) + + if options[:collation] + change_column_sql << " COLLATE \"#{options[:collation]}\"" + end + + if options[:using] + change_column_sql << " USING #{options[:using]}" + elsif options[:cast_as] + cast_as_type = type_to_sql(options[:cast_as], options) + change_column_sql << " USING CAST(#{quoted_column_name} AS #{cast_as_type})" + end + + if options.key?(:default) + if options[:default].nil? + change_column_sql << ", ALTER COLUMN #{quoted_column_name} DROP DEFAULT" + else + quoted_default = quote_default_expression(options[:default], column) + change_column_sql << ", ALTER COLUMN #{quoted_column_name} SET DEFAULT #{quoted_default}" + end + end + + if options.key?(:null) + change_column_sql << ", ALTER COLUMN #{quoted_column_name} #{options[:null] ? 'DROP' : 'SET'} NOT NULL" + end + + change_column_sql + end + def add_column_options!(sql, options) if options[:collation] sql << " COLLATE \"#{options[:collation]}\"" 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 3516bef75a..7cf371be68 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -683,38 +683,20 @@ module ActiveRecord end end - def change_column_sql(table_name, column_name, type, options = {}) - quoted_column_name = quote_column_name(column_name) - sql_type = type_to_sql(type, options) - sql = +"ALTER COLUMN #{quoted_column_name} TYPE #{sql_type}" - if options[:collation] - sql << " COLLATE \"#{options[:collation]}\"" - end - if options[:using] - sql << " USING #{options[:using]}" - elsif options[:cast_as] - cast_as_type = type_to_sql(options[:cast_as], options) - sql << " USING CAST(#{quoted_column_name} AS #{cast_as_type})" - end - - sql - end - def add_column_for_alter(table_name, column_name, type, options = {}) return super unless options.key?(:comment) [super, Proc.new { change_column_comment(table_name, column_name, options[:comment]) }] end def change_column_for_alter(table_name, column_name, type, options = {}) - sqls = [change_column_sql(table_name, column_name, type, options)] - sqls << change_column_default_for_alter(table_name, column_name, options[:default]) if options.key?(:default) - sqls << change_column_null_for_alter(table_name, column_name, options[:null], options[:default]) if options.key?(:null) + td = create_table_definition(table_name) + cd = td.new_column_definition(column_name, type, options) + sqls = [schema_creation.accept(ChangeColumnDefinition.new(cd, column_name))] sqls << Proc.new { change_column_comment(table_name, column_name, options[:comment]) } if options.key?(:comment) sqls end - # Changes the default value of a table column. - def change_column_default_for_alter(table_name, column_name, default_or_changes) # :nodoc: + def change_column_default_for_alter(table_name, column_name, default_or_changes) column = column_for(table_name, column_name) return unless column @@ -729,8 +711,8 @@ module ActiveRecord end end - def change_column_null_for_alter(table_name, column_name, null, default = nil) #:nodoc: - "ALTER #{quote_column_name(column_name)} #{null ? 'DROP' : 'SET'} NOT NULL" + def change_column_null_for_alter(table_name, column_name, null, default = nil) + "ALTER COLUMN #{quote_column_name(column_name)} #{null ? 'DROP' : 'SET'} NOT NULL" end def add_timestamps_for_alter(table_name, options = {}) diff --git a/activerecord/lib/active_record/gem_version.rb b/activerecord/lib/active_record/gem_version.rb index 72035a986b..16dff9c2b0 100644 --- a/activerecord/lib/active_record/gem_version.rb +++ b/activerecord/lib/active_record/gem_version.rb @@ -10,7 +10,7 @@ module ActiveRecord MAJOR = 6 MINOR = 0 TINY = 0 - PRE = "alpha" + PRE = "beta1" STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".") end diff --git a/activerecord/lib/active_record/migration/compatibility.rb b/activerecord/lib/active_record/migration/compatibility.rb index 8f6fcfcaea..608182e363 100644 --- a/activerecord/lib/active_record/migration/compatibility.rb +++ b/activerecord/lib/active_record/migration/compatibility.rb @@ -36,9 +36,7 @@ module ActiveRecord class V5_1 < V5_2 def change_column(table_name, column_name, type, options = {}) if adapter_name == "PostgreSQL" - clear_cache! - sql = connection.send(:change_column_sql, table_name, column_name, type, options) - execute "ALTER TABLE #{quote_table_name(table_name)} #{sql}" + super(table_name, column_name, type, options.except(:default, :null, :comment)) change_column_default(table_name, column_name, options[:default]) if options.key?(:default) change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null) change_column_comment(table_name, column_name, options[:comment]) if options.key?(:comment) diff --git a/activerecord/test/cases/adapters/postgresql/array_test.rb b/activerecord/test/cases/adapters/postgresql/array_test.rb index b12055a40a..2e7a4b498f 100644 --- a/activerecord/test/cases/adapters/postgresql/array_test.rb +++ b/activerecord/test/cases/adapters/postgresql/array_test.rb @@ -17,7 +17,7 @@ class PostgresqlArrayTest < ActiveRecord::PostgreSQLTestCase enable_extension!("hstore", @connection) @connection.transaction do - @connection.create_table("pg_arrays") do |t| + @connection.create_table "pg_arrays", force: true do |t| t.string "tags", array: true, limit: 255 t.integer "ratings", array: true t.datetime :datetimes, array: true @@ -112,6 +112,18 @@ class PostgresqlArrayTest < ActiveRecord::PostgreSQLTestCase assert_predicate column, :array? end + def test_change_column_from_non_array_to_array + @connection.add_column :pg_arrays, :snippets, :string + @connection.change_column :pg_arrays, :snippets, :text, array: true, default: [], using: "string_to_array(\"snippets\", ',')" + + PgArray.reset_column_information + column = PgArray.columns_hash["snippets"] + + assert_equal :text, column.type + assert_equal [], PgArray.column_defaults["snippets"] + assert_predicate column, :array? + end + def test_change_column_cant_make_non_array_column_to_array @connection.add_column :pg_arrays, :a_string, :string assert_raises ActiveRecord::StatementInvalid do |