Class: Rails::DBConsole

Inherits:
Object show all
Defined in:
railties/lib/rails/commands/dbconsole/dbconsole_command.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ DBConsole

Returns a new instance of DBConsole.



12
13
14
15
 
# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 12

def initialize(options = {})
  @options = options
  @options[:environment] ||= Rails::Command.environment
end

Class Method Details

.start(*args) ⇒ Object 



8
9
10
 
# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 8

def self.start(*args)
  new(*args).start
end

Instance Method Details

#database ⇒ Object 



43
44
45
 
# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 43

def database
  @options[:database]
end

#db_config ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 23

def db_config
  return @db_config if defined?(@db_config)

  # If the user provided a database, use that. Otherwise find
  # the first config in the database.yml
  if database
    @db_config = configurations.configs_for(env_name: environment, name: database, include_hidden: true)
  else
    @db_config = configurations.find_db_config(environment)
  end

  unless @db_config
    missing_db = database ? "'#{database}' database is not" : "No databases are"
    raise ActiveRecord::AdapterNotSpecified,
      "#{missing_db} configured for '#{environment}'. Available configuration: #{configurations.inspect}"
  end

  @db_config
end

#environment ⇒ Object 



47
48
49
 
# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 47

def environment
  @options[:environment]
end

#start ⇒ Object 



17
18
19
20
21
 
# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 17

def start
  adapter_class.dbconsole(db_config, @options)
rescue NotImplementedError
  abort "Unknown command-line client for #{db_config.database}."
end