Class: Sequel::Swift::Database

Inherits:
Database show all
Defined in:
lib/sequel/adapters/swift.rb

Constant Summary collapse

DatasetClass = 
self

Constants inherited from Database

Database::ADAPTERS, Database::AUTOINCREMENT, Database::COLUMN_DEFINITION_ORDER, Database::COLUMN_SCHEMA_DATETIME_TYPES, Database::COLUMN_SCHEMA_STRING_TYPES, Database::COMBINABLE_ALTER_TABLE_OPS, Database::COMMA_SEPARATOR, Database::CURRENT_TIMESTAMP_RE, Database::DEFAULT_DATABASE_ERROR_REGEXPS, Database::DEFAULT_JOIN_TABLE_COLUMN_OPTIONS, Database::DEFAULT_STRING_COLUMN_SIZE, Database::EXTENSIONS, Database::NOT_NULL, Database::NULL, Database::OPTS, Database::PRIMARY_KEY, Database::SCHEMA_TYPE_CLASSES, Database::SQL_BEGIN, Database::SQL_COMMIT, Database::SQL_RELEASE_SAVEPOINT, Database::SQL_ROLLBACK, Database::SQL_ROLLBACK_TO_SAVEPOINT, Database::SQL_SAVEPOINT, Database::STRING_DEFAULT_RE, Database::TEMPORARY, Database::TRANSACTION_BEGIN, Database::TRANSACTION_COMMIT, Database::TRANSACTION_ISOLATION_LEVELS, Database::TRANSACTION_ROLLBACK, Database::UNDERSCORE, Database::UNIQUE, Database::UNSIGNED

Instance Attribute Summary collapse

Attributes inherited from Database

#cache_schema, #dataset_class, #default_string_column_size, #identifier_input_method, #identifier_output_method, #log_connection_info, #log_warn_duration, #loggers, #opts, #pool, #prepared_statements, #sql_log_level, #timezone, #transaction_isolation_level

Instance Method Summary collapse

Methods inherited from Database

#<<, #[], adapter_class, #adapter_scheme, adapter_scheme, #add_column, #add_index, #add_servers, #after_commit, after_initialize, #after_rollback, #alter_table, #alter_table_generator, #call, #cast_type_literal, connect, #create_join_table, #create_join_table!, #create_join_table?, #create_or_replace_view, #create_table, #create_table!, #create_table?, #create_table_generator, #create_view, #database_type, #dataset, #disconnect, #disconnect_connection, #drop_column, #drop_index, #drop_join_table, #drop_table, #drop_table?, #drop_view, #each_server, #execute_ddl, #extend_datasets, #extension, extension, #fetch, #from, #from_application_timestamp, #get, #global_index_namespace?, #in_transaction?, #inspect, #literal, #literal_symbol, #literal_symbol_set, load_adapter, #log_connection_yield, #log_exception, #log_info, #log_yield, #logger=, #prepared_statement, #quote_identifier, #quote_identifiers=, #quote_identifiers?, register_extension, #remove_servers, #rename_column, #rename_table, #run, run_after_initialize, #schema, #schema_type_class, #select, #serial_primary_key_options, #servers, #set_column_default, #set_column_type, #set_prepared_statement, #sharded?, #single_threaded?, #supports_create_table_if_not_exists?, #supports_deferrable_constraints?, #supports_deferrable_foreign_key_constraints?, #supports_drop_table_if_exists?, #supports_foreign_key_parsing?, #supports_index_parsing?, #supports_partial_indexes?, #supports_prepared_transactions?, #supports_savepoints?, #supports_savepoints_in_prepared_transactions?, #supports_schema_parsing?, #supports_table_listing?, #supports_transaction_isolation_levels?, #supports_transactional_ddl?, #supports_view_listing?, #supports_views_with_check_option?, #supports_views_with_local_check_option?, #synchronize, #table_exists?, #test_connection, #to_application_timestamp, #transaction, #typecast_value, #uri, #url, #valid_connection?

Methods included from Metaprogramming

#meta_def

Constructor Details

#initialize(opts = OPTS) ⇒ Database

Returns a new instance of Database.



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# File 'lib/sequel/adapters/swift.rb', line 39

def initialize(opts=OPTS)
  Sequel.require "adapters/swift/#{opts[:db_type]}" if %w'postgres mysql sqlite'.include?(opts[:db_type].to_s)
  super
end

Instance Attribute Details

#swift_class ⇒ Object

The Swift adapter class being used by this database. Connections in this database’s connection pool will be instances of this class.



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# File 'lib/sequel/adapters/swift.rb', line 37

def swift_class
  @swift_class
end

Instance Method Details

#connect(server) ⇒ Object

Create an instance of swift_class for the given options.



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# File 'lib/sequel/adapters/swift.rb', line 45

def connect(server)
  opts = server_opts(server)
  opts[:pass] = opts[:password]
  setup_connection(swift_class.new(opts))
end

#execute(sql, opts = OPTS) ⇒ Object

Execute the given SQL, yielding a Swift::Result if a block is given.



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# File 'lib/sequel/adapters/swift.rb', line 52

def execute(sql, opts=OPTS)
  synchronize(opts[:server]) do |conn|
    begin
      res = log_connection_yield(sql, conn){conn.execute(sql)}
      yield res if block_given?
      nil
    rescue ::Swift::Error => e
      raise_error(e)
    end
  end
end

#execute_dui(sql, opts = OPTS) ⇒ Object

Execute the SQL on the this database, returning the number of affected rows.



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# File 'lib/sequel/adapters/swift.rb', line 66

def execute_dui(sql, opts=OPTS)
  synchronize(opts[:server]) do |conn|
    begin
      log_connection_yield(sql, conn){conn.execute(sql).affected_rows}
    rescue ::Swift::Error => e
      raise_error(e)
    end
  end
end

#execute_insert(sql, opts = OPTS) ⇒ Object

Execute the SQL on this database, returning the primary key of the table being inserted to.



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# File 'lib/sequel/adapters/swift.rb', line 78

def execute_insert(sql, opts=OPTS)
  synchronize(opts[:server]) do |conn|
    begin
      log_connection_yield(sql, conn){conn.execute(sql).insert_id}
    rescue ::Swift::Error => e
      raise_error(e)
    end
  end
end