=head1 NAME
Pg::SQL::PrettyPrinter::Node::IndexElem - Class representing single element of
index, basically column/expression with ordering info
=head1 SYNOPSIS
Not to be used directly.
=head1 FUNCTIONS
Aside from functions listed below, it inherits functions from
L<Pg::SQL::PrettyPrinter::Node>.
=head2 new
Makes object, first using parent's constructur, and then "unpacks" it's elements.
=head2 as_text
Returns this object as plain text, with next to none formatting.
=head1 AUTHOR
hubert depesz lubaczewski, C<< <depesz at depesz.com> >>
=head1 BUGS
Please report any bugs or feature requests to C<depesz at depesz.com>.
=head1 SUPPORT
You can find documentation for this module with the perldoc command.
perldoc Pg::SQL::PrettyPrinter::Node::IndexElem