24 lines
814 B
Python
24 lines
814 B
Python
#------------------------------------------------------------------------------
|
|
# query_scroll.py (Section 3.4)
|
|
#------------------------------------------------------------------------------
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
|
|
#------------------------------------------------------------------------------
|
|
|
|
from __future__ import print_function
|
|
|
|
import cx_Oracle
|
|
import db_config
|
|
|
|
con = cx_Oracle.connect(db_config.user, db_config.pw, db_config.dsn)
|
|
cur = con.cursor(scrollable = True)
|
|
|
|
cur.execute("select * from dept order by deptno")
|
|
|
|
cur.scroll(2, mode = "absolute") # go to second row
|
|
print(cur.fetchone())
|
|
|
|
cur.scroll(-1) # go back one row
|
|
print(cur.fetchone())
|