"Kevin Grittner" writes:
> "terry" <94487...@qq.com> wrote:
>> In one command, why can we update the same tuple for twice?
>> TEST=# update t1 set a = t2.d from t2 where a=t2.c;
>> UPDATE 1
> It says it updated it once. Why do you think otherwise?
I think maybe the OP meant to type "why *can
"terry" <94487...@qq.com> wrote:
> In one command, why can we update the same tuple for twice?
> TEST=# update t1 set a = t2.d from t2 where a=t2.c;
> UPDATE 1
It says it updated it once. Why do you think otherwise?
> And the result is not predicated!!
When you select multiple rows witho
In one command, why can we update the same tuple for twice?
And the result is not predicated!!
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