The measure has passed the House of Representatives and is pending in the Senate. It is opposed by some 400 local, state and national GLBT organizations because of the transgender exclusion.

Villaraigosa’s spokesman, Matt Szabo, said the mayor was swayed by a call from the San Francisco Labor Council for a boycott of the event.

The gala also was boycotted by San Francisco Supervisors Tom Ammiano and Bevan Dufty, state Assemblyman Mark Leno and state Sen. Carole Migden, among others.