Class: Sequel::DBI::Database

Inherits:
Sequel::Database show all
Defined in:
lib/sequel_core/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::ADAPTERS, 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::NULL, Schema::SQL::PRIMARY_KEY, Schema::SQL::RESTRICT, Schema::SQL::SET_DEFAULT, Schema::SQL::SET_NULL, Schema::SQL::TYPES, Schema::SQL::UNDERSCORE, Schema::SQL::UNIQUE, Schema::SQL::UNSIGNED

Instance Attribute Summary collapse

Attributes inherited from Sequel::Database

#loggers, #opts, #pool, #quote_identifiers

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, #get, #initialize, #inspect, #log_info, #logger, #logger=, #multi_threaded?, #query, quote_identifiers=, #quote_identifiers?, #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, #typecast_value, #uri

Methods included from Schema::SQL

#alter_table_sql, #alter_table_sql_list, #auto_increment_sql, #column_definition_sql, #column_list_sql, #constraint_definition_sql, #create_table_sql_list, #default_index_name, #drop_table_sql, #filter_expr, #index_definition_sql, #index_list_sql_list, #literal, #on_delete_clause, #quote_identifier, #rename_table_sql, #schema, #schema_utility_dataset, #type_literal

Constructor Details

This class inherits a constructor from Sequel::Database

Instance Attribute Details

#lowercase ⇒ Object

Converts all column names to lowercase



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# File 'lib/sequel_core/adapters/dbi.rb', line 75

def lowercase
  @lowercase ||= false
end

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_core/adapters/dbi.rb', line 27

def self.uri_to_options(uri)
  database = (m = /\/(.*)/.match(uri.path)) && (m[1])
  if m = /dbi-(.+)/.match(uri.scheme)
    adapter = DBI_ADAPTERS[m[1].to_sym] || m[1]
    database = "#{adapter}:dbname=#{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_core/adapters/dbi.rb', line 43

def connect
  dbname = @opts[:database]
  if dbname !~ /^DBI:/ then
    dbname = "DBI:#{dbname}"
    [:host, :port].each{|sym| dbname += ";#{sym}=#{@opts[sym]}" unless @opts[sym].blank?}
  end
  ::DBI.connect(dbname, @opts[:user], @opts[:password])
end

#dataset(opts = nil) ⇒ Object 



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# File 'lib/sequel_core/adapters/dbi.rb', line 56

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

#disconnect ⇒ Object 



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# File 'lib/sequel_core/adapters/dbi.rb', line 52

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

#do(sql) ⇒ Object 



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# File 'lib/sequel_core/adapters/dbi.rb', line 67

def do(sql)
  log_info(sql)
  @pool.hold do |conn|
    conn.do(sql)
  end
end

#execute(sql) ⇒ Object 



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# File 'lib/sequel_core/adapters/dbi.rb', line 60

def execute(sql)
  log_info(sql)
  @pool.hold do |conn|
    conn.execute(sql)
  end
end