Class: Sequel::DBI::Database

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

Constant Summary collapse

DBI_ADAPTERS = 
{
  :ado => "ADO",
  :db2 => "DB2",
  :frontbase => "FrontBase",
  :interbase => "InterBase",
  :msql => "Msql",
  :mysql => "Mysql",
  :odbc => "ODBC",
  :oracle => "Oracle",
  :pg => "Pg",
  :proxy => "Proxy",
  :sqlite => "SQLite",
  :sqlrelay => "SQLRelay"
}

Constants inherited from Sequel::Database

Sequel::Database::SQL_BEGIN, Sequel::Database::SQL_COMMIT, Sequel::Database::SQL_ROLLBACK

Constants included from Schema::SQL

Schema::SQL::AUTOINCREMENT, Schema::SQL::CASCADE, Schema::SQL::COMMA_SEPARATOR, Schema::SQL::NOT_NULL, Schema::SQL::NO_ACTION, Schema::SQL::PRIMARY_KEY, Schema::SQL::RESTRICT, Schema::SQL::SET_DEFAULT, Schema::SQL::SET_NULL, Schema::SQL::TYPES, Schema::SQL::UNDERSCORE, Schema::SQL::UNIQUE

Instance Attribute Summary

Attributes inherited from Sequel::Database

#logger, #opts, #pool

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Sequel::Database

#<<, #[], adapter_class, adapter_scheme, #add_column, #add_index, #alter_table, connect, #create_or_replace_view, #create_table, #create_table!, #create_view, #drop_column, #drop_index, #drop_table, #drop_view, #fetch, #from, #initialize, #multi_threaded?, #query, #rename_column, #rename_table, #select, #serial_primary_key_options, set_adapter_scheme, #set_column_default, #set_column_type, single_threaded=, #single_threaded?, #synchronize, #table_exists?, #test_connection, #transaction, #uri

Methods included from Schema::SQL

#alter_table_sql, #alter_table_sql_list, #auto_increment_sql, #column_definition_sql, #column_list_sql, #create_table_sql_list, #default_index_name, #drop_table_sql, #index_definition_sql, #index_list_sql_list, #literal, #on_delete_clause, #rename_table_sql, #schema_utility_dataset

Constructor Details

This class inherits a constructor from Sequel::Database

Class Method Details

.uri_to_options(uri) ⇒ Object

Converts a uri to an options hash. These options are then passed to a newly created database object.



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# File 'lib/sequel/adapters/dbi.rb', line 25

def self.uri_to_options(uri)
  database = (uri.path =~ /\/(.*)/) && ($1)
  if uri.scheme =~ /dbi-(.+)/
    adapter = DBI_ADAPTERS[$1.to_sym] || $1
    database = "#{adapter}:#{database}"
  end
  {
    :user => uri.user,
    :password => uri.password,
    :host => uri.host,
    :port => uri.port,
    :database => database
  }
end

Instance Method Details

#connect ⇒ Object 



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# File 'lib/sequel/adapters/dbi.rb', line 41

def connect
  dbname = @opts[:database]
  dbname = 'DBI:' + dbname unless dbname =~ /^DBI:/
  ::DBI.connect(dbname, @opts[:user], @opts[:password])
end

#dataset(opts = nil) ⇒ Object 



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# File 'lib/sequel/adapters/dbi.rb', line 51

def dataset(opts = nil)
  DBI::Dataset.new(self, opts)
end

#disconnect ⇒ Object 



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# File 'lib/sequel/adapters/dbi.rb', line 47

def disconnect
  @pool.disconnect {|c| c.disconnect}
end

#do(sql) ⇒ Object 



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# File 'lib/sequel/adapters/dbi.rb', line 62

def do(sql)
  @logger.info(sql) if @logger
  @pool.hold do |conn|
    conn.do(sql)
  end
end

#execute(sql) ⇒ Object 



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# File 'lib/sequel/adapters/dbi.rb', line 55

def execute(sql)
  @logger.info(sql) if @logger
  @pool.hold do |conn|
    conn.execute(sql)
  end
end