diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 18b499904e..90a90a0a9b 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -68,7 +68,7 @@ module ActiveRecord # depending on the server specifics super end - + # Maps PostgreSQL-specific data types to logical Rails types. def simplified_type(field_type) case field_type @@ -103,7 +103,7 @@ module ActiveRecord :string # Arrays when /^\D+\[\]$/ - :string + :string # Object identifier types when /^oid$/ :integer @@ -112,7 +112,7 @@ module ActiveRecord super end end - + # Extracts the value from a PostgreSQL column default definition. def self.extract_value_from_default(default) case default @@ -273,7 +273,7 @@ module ActiveRecord def supports_ddl_transactions? true end - + def supports_savepoints? true end @@ -498,6 +498,7 @@ module ActiveRecord end end end + alias :create :insert # create a 2D array representing the result set def result_as_array(res) #:nodoc: @@ -564,7 +565,7 @@ module ActiveRecord def rollback_db_transaction execute "ROLLBACK" end - + if defined?(PGconn::PQTRANS_IDLE) # The ruby-pg driver supports inspecting the transaction status, # while the ruby-postgres driver does not. @@ -909,18 +910,18 @@ module ActiveRecord sql = "DISTINCT ON (#{columns}) #{columns}, " sql << order_columns * ', ' end - + # Returns an ORDER BY clause for the passed order option. - # + # # PostgreSQL does not allow arbitrary ordering when using DISTINCT ON, so we work around this # by wrapping the +sql+ string as a sub-select and ordering in that query. def add_order_by_for_association_limiting!(sql, options) #:nodoc: return sql if options[:order].blank? - + order = options[:order].split(',').collect { |s| s.strip }.reject(&:blank?) order.map! { |s| 'DESC' if s =~ /\bdesc$/i } order = order.zip((0...order.size).to_a).map { |s,i| "id_list.alias_#{i} #{s}" }.join(', ') - + sql.replace "SELECT * FROM (#{sql}) AS id_list ORDER BY #{order}" end @@ -1033,7 +1034,7 @@ module ActiveRecord if res.ftype(cell_index) == MONEY_COLUMN_TYPE_OID # Because money output is formatted according to the locale, there are two # cases to consider (note the decimal separators): - # (1) $12,345,678.12 + # (1) $12,345,678.12 # (2) $12.345.678,12 case column = row[cell_index] when /^-?\D+[\d,]+\.\d{2}$/ # (1) |