17def upgrade():
   18    op.alter_column('ps_aors', 'id', type_=sa.String(255))
   19    op.alter_column('ps_aors', 'outbound_proxy', type_=sa.String(255))
   20 
   21    op.alter_column('ps_auths', 'id', type_=sa.String(255))
   22    op.alter_column('ps_auths', 'realm', type_=sa.String(255))
   23 
   24    op.alter_column('ps_contacts', 'outbound_proxy', type_=sa.String(255))
   25    op.alter_column('ps_contacts', 'endpoint', type_=sa.String(255))
   26 
   27    op.alter_column('ps_domain_aliases', 'id', type_=sa.String(255))
   28    op.alter_column('ps_domain_aliases', 'domain', type_=sa.String(255))
   29 
   30    op.alter_column('ps_endpoint_id_ips', 'id', type_=sa.String(255))
   31    op.alter_column('ps_endpoint_id_ips', 'endpoint', type_=sa.String(255))
   32 
   33    op.alter_column('ps_endpoints', 'id', type_=sa.String(255))
   34    op.alter_column('ps_endpoints', 'aors', type_=sa.String(2048))
   35    op.alter_column('ps_endpoints', 'auth', type_=sa.String(255))
   36    op.alter_column('ps_endpoints', 'outbound_auth', type_=sa.String(255))
   37    op.alter_column('ps_endpoints', 'outbound_proxy', type_=sa.String(255))
   38 
   39    op.alter_column('ps_inbound_publications', 'id', type_=sa.String(255))
   40    op.alter_column('ps_inbound_publications', 'endpoint', type_=sa.String(255))
   41 
   42    op.alter_column('ps_outbound_publishes', 'id', type_=sa.String(255))
   43    op.alter_column('ps_outbound_publishes', 'outbound_auth', type_=sa.String(255))
   44 
   45    op.alter_column('ps_registrations', 'id', type_=sa.String(255))
   46    op.alter_column('ps_registrations', 'outbound_auth', type_=sa.String(255))
   47    op.alter_column('ps_registrations', 'outbound_proxy', type_=sa.String(255))
   48    op.alter_column('ps_registrations', 'endpoint', type_=sa.String(255))
   49 
   50