File: collation_reverse.py

package info (click to toggle)
python2.7 2.7.3-6%2Bdeb7u2
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 71,112 kB
  • sloc: ansic: 424,479; python: 416,704; sh: 12,085; asm: 10,846; makefile: 4,201; objc: 775; exp: 416; cpp: 207; xml: 73
file content (15 lines) | stat: -rw-r--r-- 400 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
import sqlite3

def collate_reverse(string1, string2):
    return -cmp(string1, string2)

con = sqlite3.connect(":memory:")
con.create_collation("reverse", collate_reverse)

cur = con.cursor()
cur.execute("create table test(x)")
cur.executemany("insert into test(x) values (?)", [("a",), ("b",)])
cur.execute("select x from test order by x collate reverse")
for row in cur:
    print row
con.close()