when concurrency insert violate the unique constraints , they block each
other , i test this in oracle10g, has the same behavour. I think this
may be reasonable because the uqniue check must be the seriazable
check .
for resolve this problem , i do the unique check in application as
poss
wyx6...@sina.com wrote:
> after shaming , I think i should pick out some my points:
> the unique constraints actualy kill concurrency write transaction when
> concurrency insert violate the unique constraints , they block each
> other , i test this in oracle10g, has the same behavour. I think this
2010/2/2 :
> the unique constraints actualy kill concurrency write transaction when
> concurrency insert violate the unique constraints , they block each other ,
> i test this in oracle10g, has the same behavour. I think this may be
> reasonable because the uqniue check must be the seriazable ch
Sorry again for previous rough messages, some good people advice me to
post these problems again With sincere and friendly attitude 。
I think i should do this .
In recently projects , I determine use pg in some medium or big projects , as
the projects has been finished, it prove that I made
