Class: Sequel::JDBC::Database

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

Constant Summary

Constants inherited from Database

Database::SQL_BEGIN, Database::SQL_COMMIT, 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 Database

#logger, #opts, #pool

Instance Method Summary collapse

Methods inherited from 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, uri_to_options

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

Instance Method Details

#connect ⇒ Object 



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# File 'lib/sequel/adapters/jdbc.rb', line 16

def connect
  unless conn_string = @opts[:uri] || @opts[:url] || @opts[:database]
    raise Error, "No connection string specified"
  end
  unless conn_string =~ /^jdbc:/
    conn_string = "jdbc:#{conn_string}"
  end
  JavaSQL::DriverManager.getConnection(
    conn_string, 
    @opts[:user], 
    @opts[:password]
  )
  # "jdbc:mysql://127.0.0.1:3306/ruby?user=root"
  # "mysql://127.0.0.1:3306/ruby?user=root"
end

#dataset(opts = nil) ⇒ Object 



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# File 'lib/sequel/adapters/jdbc.rb', line 36

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

#disconnect ⇒ Object 



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# File 'lib/sequel/adapters/jdbc.rb', line 32

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

#execute(sql) ⇒ Object 



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

def execute(sql)
  @logger.info(sql) if @logger
  @pool.hold do |conn|
    stmt = conn.createStatement
    begin
      yield stmt.executeQuery(sql)
    ensure
      stmt.close
    end
  end
end

#execute_and_forget(sql) ⇒ Object 



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# File 'lib/sequel/adapters/jdbc.rb', line 40

def execute_and_forget(sql)
  @logger.info(sql) if @logger
  @pool.hold do |conn|
    stmt = conn.createStatement
    begin
      stmt.executeQuery(sql)
    ensure
      stmt.close
    end
  end
end