Class: ASeriesOfTubes::TubeRecord::DBConnection

Inherits:
Object
  • Object
show all
Defined in:
lib/a_series_of_tubes/tube_record/db_connection.rb

Class Method Summary collapse

Class Method Details

.execute(*args) ⇒ Object 



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# File 'lib/a_series_of_tubes/tube_record/db_connection.rb', line 30

def self.execute(*args)
  print_query(*args)
  instance.execute(*args)
end

.execute2(*args) ⇒ Object 



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# File 'lib/a_series_of_tubes/tube_record/db_connection.rb', line 35

def self.execute2(*args)
  print_query(*args)
  instance.execute2(*args)
end

.instance ⇒ Object 



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# File 'lib/a_series_of_tubes/tube_record/db_connection.rb', line 24

def self.instance
  reset if @db.nil?

  @db
end

.last_insert_row_id ⇒ Object 



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# File 'lib/a_series_of_tubes/tube_record/db_connection.rb', line 40

def self.last_insert_row_id
  instance.last_insert_row_id
end

.open(db_file_name) ⇒ Object 



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# File 'lib/a_series_of_tubes/tube_record/db_connection.rb', line 6

def self.open(db_file_name)
  @db = SQLite3::Database.new(db_file_name)
  @db.results_as_hash = true
  @db.type_translation = true

  @db
end

.reset ⇒ Object 



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# File 'lib/a_series_of_tubes/tube_record/db_connection.rb', line 14

def self.reset
  commands = [
    "rm '#{TUBE_DB_FILE}'",
    "cat '#{TUBE_SQL_FILE}' | sqlite3 '#{TUBE_DB_FILE}'"
  ]

  commands.each { |command| `#{command}` }
  DBConnection.open(TUBE_DB_FILE)
end