Class: ActiveRecordUtils::Browser::Table

Inherits:

Object

• Object
• ActiveRecordUtils::Browser::Table

Defined in:

lib/activerecord/utils/browser.rb

Instance Attribute Summary

• #connection ⇒ Object readonly

  Returns the value of attribute connection.

• #name ⇒ Object readonly

  Returns the value of attribute name.

Instance Method Summary

• #columns ⇒ Object
• #count ⇒ Object
• #initialize(connection, name) ⇒ Table constructor

  A new instance of Table.

• #query(opts = {}) ⇒ Object

Constructor Details

#initialize(connection, name) ⇒ Table

Returns a new instance of Table.

# File 'lib/activerecord/utils/browser.rb', line 222

def initialize(connection, name)
  @connection = connection
  @name       = name
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.

# File 'lib/activerecord/utils/browser.rb', line 227

def connection
  @connection
end

#name ⇒ Object (readonly)

Returns the value of attribute name.

# File 'lib/activerecord/utils/browser.rb', line 228

def name
  @name
end

Instance Method Details

#columns ⇒ Object

# File 'lib/activerecord/utils/browser.rb', line 234

def columns
  # load columns on demand for now (cache on first lookup)
  @columns ||= @connection.table_columns( @name )
end

#count ⇒ Object

# File 'lib/activerecord/utils/browser.rb', line 230

def count
  @connection.select_value( "select count(*) from #{name}").to_i
end

#query(opts = {}) ⇒ Object

# File 'lib/activerecord/utils/browser.rb', line 239

def query( opts={})
  @connection.fetch_table_select_all( @name, opts )
end