for use in (and other places where we generate passwords)
branches/1.3/sql/upgrade/1.2-1.3.sql
CREATE OR REPLACE FUNCTION random_string(INTEGER)
RETURNS TEXT AS
$BODY$
SELECT array_to_string(
ARRAY (
SELECT substring(
'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#&()?[]'
FROM (ceil(random()*70))::int FOR 1
)
FROM generate_series(1, $1)
),
''
)
$BODY$
LANGUAGE sql VOLATILE;
Test:
$=> select random_string(12);
random_string
---------------
LAw)hNFnwciy
(1 row)
$=> select random_string(12) from generate_series(1,15);
random_string
---------------
6A[s[u]jAcNI
1NcZEJ#ZUpW3
4lr!GRrMcq7b
c6CnjZ?lxZC4
t5dFv1Jzn2s)
TcI[KQZxWmc7
EZt31?7v2l3x
nMpSOaOs4hrP
]IEW?qeBIPFK
MM8P0BFnY?8w
XXhb6Q!6j6cg
x8r8Y[TvLbCM
nS2DPA1whjPo
1IulOOJEX3M[
2qtOJ?k[QmBp
Can we replace random()::text with random_string ?
We could make the long '012345......' as a variable or make several
selectable variants. (by example exclude characters like I, 1 and l
because they look too similar or other variants).
--
Håvard Sørli - http:/www.anix.no
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