Method: Sequel::Dataset#select_all

Defined in:
lib/sequel/dataset/query.rb

#select_all(*tables) ⇒ Object

Returns a copy of the dataset selecting the wildcard if no arguments are given. If arguments are given, treat them as tables and select all columns (using the wildcard) from each table.

DB[:items].select(:a).select_all # SELECT * FROM items
DB[:items].select_all(:items) # SELECT items.* FROM items
DB[:items].select_all(:items, :foo) # SELECT items.*, foo.* FROM items



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# File 'lib/sequel/dataset/query.rb', line 936

def select_all(*tables)
  if tables.empty?
    return self unless opts[:select]
    cached_dataset(:_select_all_ds){clone(:select => nil)}
  else
    select(*tables.map{|t| i, a = split_alias(t); a || i}.map!{|t| SQL::ColumnAll.new(t)}.freeze)
  end
end