I have added below lines to gluon/sql.py,but stil getting same error
'reference FK': 'INDEX %(field_name)s__idx (%(field_name)s), FOREIGN KEY
(%(field_name)s) REFERENCES %(foreign_key)s ON DELETE %(on_delete_action)s',
'reference TFK': ' INDEX %(field_name)s__idx (%(field_name)s),
FOREIGN KEY (%(field_name)s) REFERENCES %(foreign_table)s (%(foreign_key)s)
ON DELETE %(on_delete_action)s',
