Class | Symbol |
In: |
lib/sequel/core_sql.rb
|
Parent: | Object |
If no argument is given, returns a Sequel::SQL::ColumnAll object specifying all columns for this table. If an argument is given, returns a Sequel::SQL::NumericExpression using the * (multiplication) operator with this and the given argument.
:table.* # SQL: table.* :column * 2 # SQL: column * 2
# File lib/sequel/core_sql.rb, line 233 233: def *(ce=(arg=false;nil)) 234: return super(ce) unless arg == false 235: Sequel::SQL::ColumnAll.new(self); 236: end
Returns a Sequel::SQL::Function with this as the function name, and the given arguments. This is aliased as Symbol#[] if the RUBY_VERSION is less than 1.9.0. Ruby 1.9 defines Symbol#[], and Sequel doesn‘t override methods defined by ruby itself.
:now.sql_function # SQL: now() :sum.sql_function(:a) # SQL: sum(a) :concat.sql_function(:a, :b) # SQL: concat(a, b)
# File lib/sequel/core_sql.rb, line 246 246: def sql_function(*args) 247: Sequel::SQL::Function.new(self, *args) 248: end