Re: trouble with unique constraint

In response to Khin, Gerald :
> The following SQL leads to a unique constraint violation error message
> (PostgreSQL 8.4.1).
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> create table test (val integer);
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> create unique index test_uni on test(val);
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> insert into test (val) values (1);
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> insert into test (val) values (2);
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> insert into test (val) values (3);
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> update test set val = val + 1;

update test set val = val + 10;
update test set val = val -9;

Thats the only way now, but the upcoming new release 9.0 contains
deferrable unique constraints.

Andreas
--
Andreas Kretschmer
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