This module augments the default initalize method for the ComplexExpression subclass it is included in, so that attempting to use boolean input when initializing a NumericExpression or StringExpression results in an error.
Raise an Error if one of the args would be boolean in an SQL context, otherwise call super.
# File lib/sequel/sql.rb, line 332 def initialize(op, *args) args.each do |a| case a when BooleanExpression, TrueClass, FalseClass, NilClass, Hash, Array raise(Error, "cannot apply #{op} to a boolean expression") end end super end
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