From eaa3949d36df60e6bbeccf187aa60547d6b9085b Mon Sep 17 00:00:00 2001 From: Eric Chahin Date: Tue, 15 Apr 2014 16:08:04 -0400 Subject: Changed change_column in PG schema_statements.rb to make sure that the uuid_generate function was not being quoted. --- .../active_record/connection_adapters/postgresql/quoting.rb | 9 +++++++++ .../connection_adapters/postgresql/schema_statements.rb | 10 ++++++++-- activerecord/test/cases/adapters/postgresql/uuid_test.rb | 13 +++++++++++++ 3 files changed, 30 insertions(+), 2 deletions(-) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index ac3b0f713d..403e37fde9 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -182,6 +182,15 @@ module ActiveRecord end result end + + # Does not quote function default values for UUID columns + def quote_default_value(value, column) #:nodoc: + if column.type == :uuid && value =~ /\(\)/ + value + else + quote(value) + end + end end end 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 1229b4851a..1dc7a6f0fd 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -187,6 +187,10 @@ module ActiveRecord end end + def column_for(table_name, column_name) #:nodoc: + columns(table_name).detect { |c| c.name == column_name.to_s } + end + # Returns the current database name. def current_database query('select current_database()', 'SCHEMA')[0][0] @@ -404,13 +408,15 @@ module ActiveRecord # Changes the default value of a table column. def change_column_default(table_name, column_name, default) clear_cache! - execute "ALTER TABLE #{quote_table_name(table_name)} ALTER COLUMN #{quote_column_name(column_name)} SET DEFAULT #{quote(default)}" + column = column_for(table_name, column_name) + execute "ALTER TABLE #{quote_table_name(table_name)} ALTER COLUMN #{quote_column_name(column_name)} SET DEFAULT #{quote_default_value(default, column)}" if column end def change_column_null(table_name, column_name, null, default = nil) clear_cache! unless null || default.nil? - execute("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL") + column = column_for(table_name, column_name) + execute("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote_default_value(default, column)} WHERE #{quote_column_name(column_name)} IS NULL") if column end execute("ALTER TABLE #{quote_table_name(table_name)} ALTER #{quote_column_name(column_name)} #{null ? 'DROP' : 'SET'} NOT NULL") end diff --git a/activerecord/test/cases/adapters/postgresql/uuid_test.rb b/activerecord/test/cases/adapters/postgresql/uuid_test.rb index 9e03ea6bee..bdf8e15e3e 100644 --- a/activerecord/test/cases/adapters/postgresql/uuid_test.rb +++ b/activerecord/test/cases/adapters/postgresql/uuid_test.rb @@ -40,6 +40,19 @@ class PostgresqlUUIDTest < ActiveRecord::TestCase drop_table "uuid_data_type" end + def test_change_column_default + @connection.add_column :uuid_data_type, :thingy, :uuid, null: false, default: "uuid_generate_v1()" + UUIDType.reset_column_information + column = UUIDType.columns.find { |c| c.name == 'thingy' } + assert_equal "uuid_generate_v1()", column.default_function + + @connection.change_column :uuid_data_type, :thingy, :uuid, null: false, default: "uuid_generate_v4()" + + UUIDType.reset_column_information + column = UUIDType.columns.find { |c| c.name == 'thingy' } + assert_equal "uuid_generate_v4()", column.default_function + end + def test_data_type_of_uuid_types column = UUIDType.columns_hash["guid"] assert_equal :uuid, column.type -- cgit v1.2.3