Below is my db model example:
db = QSqlDatabase.addDatabase('QSQLITE')
db.setDatabaseName('book.db')
db.open()
self.model = QtSql.QSqlTableModel(self)
self.model.setTable("card")
self.model.select()
column_names = [ ]
How to get all column header names into a list from qsqltablemodel table?