Diffstat (limited to 'vendor/rails/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | vendor/rails/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb deleted file mode 100644 index 940707a..0000000 --- a/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/dev/null @@ -1,172 +0,0 @@ -require 'benchmark' -require 'date' -require 'bigdecimal' -require 'bigdecimal/util' - -require 'active_record/connection_adapters/abstract/schema_definitions' -require 'active_record/connection_adapters/abstract/schema_statements' -require 'active_record/connection_adapters/abstract/database_statements' -require 'active_record/connection_adapters/abstract/quoting' -require 'active_record/connection_adapters/abstract/connection_specification' -require 'active_record/connection_adapters/abstract/query_cache' - -module ActiveRecord - module ConnectionAdapters # :nodoc: - # All the concrete database adapters follow the interface laid down in this class. - # You can use this interface directly by borrowing the database connection from the Base with - # Base.connection. - # - # Most of the methods in the adapter are useful during migrations. Most - # notably, SchemaStatements#create_table, SchemaStatements#drop_table, - # SchemaStatements#add_index, SchemaStatements#remove_index, - # SchemaStatements#add_column, SchemaStatements#change_column and - # SchemaStatements#remove_column are very useful. - class AbstractAdapter - include Quoting, DatabaseStatements, SchemaStatements - include QueryCache - @@row_even = true - - def initialize(connection, logger = nil) #:nodoc: - @connection, @logger = connection, logger - @runtime = 0 - @last_verification = 0 - end - - # Returns the human-readable name of the adapter. Use mixed case - one - # can always use downcase if needed. - def adapter_name - 'Abstract' - end - - # Does this adapter support migrations? Backend specific, as the - # abstract adapter always returns +false+. - def supports_migrations? - false - end - - # Does this adapter support using DISTINCT within COUNT? This is +true+ - # for all adapters except sqlite. - def supports_count_distinct? - true - end - - # Should primary key values be selected from their corresponding - # sequence before the insert statement? If true, next_sequence_value - # is called before each insert to set the record's primary key. - # This is false for all adapters but Firebird. - def prefetch_primary_key?(table_name = nil) - false - end - - def reset_runtime #:nodoc: - rt, @runtime = @runtime, 0 - rt - end - - # QUOTING ================================================== - - # Override to return the quoted table name if the database needs it - def quote_table_name(name) - name - end - - # REFERENTIAL INTEGRITY ==================================== - - # Override to turn off referential integrity while executing +&block+ - def disable_referential_integrity(&block) - yield - end - - # CONNECTION MANAGEMENT ==================================== - - # Is this connection active and ready to perform queries? - def active? - @active != false - end - - # Close this connection and open a new one in its place. - def reconnect! - @active = true - end - - # Close this connection - def disconnect! - @active = false - end - - # Returns true if its safe to reload the connection between requests for development mode. - # This is not the case for Ruby/MySQL and it's not necessary for any adapters except SQLite. - def requires_reloading? - false - end - - # Lazily verify this connection, calling +active?+ only if it hasn't - # been called for +timeout+ seconds. - def verify!(timeout) - now = Time.now.to_i - if (now - @last_verification) > timeout - reconnect! unless active? - @last_verification = now - end - end - - # Provides access to the underlying database connection. Useful for - # when you need to call a proprietary method such as postgresql's lo_* - # methods - def raw_connection - @connection - end - - def log_info(sql, name, runtime) - if @logger && @logger.debug? - name = "#{name.nil? ? "SQL" : name} (#{sprintf("%f", runtime)})" - @logger.debug format_log_entry(name, sql.squeeze(' ')) - end - end - - protected - def log(sql, name) - if block_given? - if @logger and @logger.debug? - result = nil - seconds = Benchmark.realtime { result = yield } - @runtime += seconds - log_info(sql, name, seconds) - result - else - yield - end - else - log_info(sql, name, 0) - nil - end - rescue Exception => e - # Log message and raise exception. - # Set last_verification to 0, so that connection gets verified - # upon reentering the request loop - @last_verification = 0 - message = "#{e.class.name}: #{e.message}: #{sql}" - log_info(message, name, 0) - raise ActiveRecord::StatementInvalid, message - end - - def format_log_entry(message, dump = nil) - if ActiveRecord::Base.colorize_logging - if @@row_even - @@row_even = false - message_color, dump_color = "4;36;1", "0;1" - else - @@row_even = true - message_color, dump_color = "4;35;1", "0" - end - - log_entry = " \e[#{message_color}m#{message}\e[0m " - log_entry << "\e[#{dump_color}m%#{String === dump ? 's' : 'p'}\e[0m" % dump if dump - log_entry - else - "%s %s" % [message, dump] - end - end - end - end -end |