self.conn = sqlite3.connect(options.database)
table_ctx = self.create_table(ctxcols, self.ctxtab, 'text', 'unique')
self.conn.execute(table_ctx)
+ self.conn.execute("CREATE INDEX IF NOT EXISTS ctxindex ON ctx(id)")
table_ev = self.create_table(evcols, self.evtab, 'double', '')
self.conn.execute(table_ev)
+ self.conn.execute("CREATE INDEX IF NOT EXISTS evindex ON ev(id)")
n = max(len(ctxcols), len(evcols)) + 1
q = ['?']