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 | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 0a2bacdb84..194842a9a0 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -1,20 +1,19 @@ require 'active_record/connection_adapters/abstract_adapter' require 'active_support/core_ext/kernel/requires' require 'active_support/core_ext/object/blank' +require 'pg' module ActiveRecord class Base # Establishes a connection to the database that's used by all Active Record objects def self.postgresql_connection(config) # :nodoc: - require 'pg' - config = config.symbolize_keys host = config[:host] port = config[:port] || 5432 username = config[:username].to_s if config[:username] password = config[:password].to_s if config[:password] - if config.has_key?(:database) + if config.key?(:database) database = config[:database] else raise ArgumentError, "No database specified. Missing argument: database." @@ -27,12 +26,6 @@ module ActiveRecord end module ConnectionAdapters - class TableDefinition - def xml(*args) - options = args.extract_options! - column(args[0], 'xml', options) - end - end # PostgreSQL-specific extensions to column definitions in a table. class PostgreSQLColumn < Column #:nodoc: # Instantiates a new PostgreSQL column definition in a table. @@ -170,9 +163,7 @@ module ActiveRecord end end end - end - module ConnectionAdapters # The PostgreSQL adapter works both with the native C (http://ruby.scripting.ca/postgres/) and the pure # Ruby (available both as gem and from http://rubyforge.org/frs/?group_id=234&release_id=1944) drivers. # @@ -192,10 +183,17 @@ module ActiveRecord # * <tt>:allow_concurrency</tt> - If true, use async query methods so Ruby threads don't deadlock; # otherwise, use blocking query methods. class PostgreSQLAdapter < AbstractAdapter - ADAPTER_NAME = 'PostgreSQL'.freeze + class TableDefinition < ActiveRecord::ConnectionAdapters::TableDefinition + def xml(*args) + options = args.extract_options! + column(args[0], 'xml', options) + end + end + + ADAPTER_NAME = 'PostgreSQL' NATIVE_DATABASE_TYPES = { - :primary_key => "serial primary key".freeze, + :primary_key => "serial primary key", :string => { :name => "character varying", :limit => 255 }, :text => { :name => "text" }, :integer => { :name => "integer" }, @@ -317,19 +315,22 @@ module ActiveRecord def quote(value, column = nil) #:nodoc: return super unless column - if value.kind_of?(String) && column.type == :binary - "'#{escape_bytea(value)}'" - elsif value.kind_of?(String) && column.sql_type == 'xml' - "xml '#{quote_string(value)}'" - elsif value.kind_of?(Numeric) && column.sql_type == 'money' + case value + when Numeric + return super unless column.sql_type == 'money' # Not truly string input, so doesn't require (or allow) escape string syntax. "'#{value}'" - elsif value.kind_of?(String) && column.sql_type =~ /^bit/ - case value - when /^[01]*$/ - "B'#{value}'" # Bit-string notation - when /^[0-9A-F]*$/i - "X'#{value}'" # Hexadecimal notation + when String + case column.sql_type + when 'bytea' then "'#{escape_bytea(value)}'" + when 'xml' then "xml '#{quote_string(value)}'" + when /^bit/ + case value + when /^[01]*$/ then "B'#{value}'" # Bit-string notation + when /^[0-9A-F]*$/i then "X'#{value}'" # Hexadecimal notation + end + else + super end else super @@ -1024,6 +1025,10 @@ module ActiveRecord [match_data[1], (rest.length > 0 ? rest : nil)] end end + + def table_definition + TableDefinition.new(self) + end end end end |