## Re: problem of geometric operator in v8.2.1

From: "Ioseph Kim" Re: problem of geometric operator in v8.2.1 2007-02-02 21:21:21 010301c74710\$161767f0\$1e00a8c0@IDC (view raw or flat) 2007-02-02 18:33:19 from "Ioseph Kim"  2007-02-02 20:36:46 from Tom Lane   2007-02-02 21:00:29 from "Ioseph Kim"    2007-02-02 21:21:21 from "Ioseph Kim"    2007-02-02 21:36:52 from Tom Lane pgsql-hackers
```I misunderstood. :)

path '((0,0),(1,0))' is 'closed' path.

in this case, it's maybe operator calculated return length too.

----- Original Message -----
From: "Ioseph Kim" <pgsql-kr(at)postgresql(dot)or(dot)kr>
To: <pgsql-hackers(at)postgresql(dot)org>
Sent: Saturday, February 03, 2007 6:00 AM
Subject: Re: [HACKERS] problem of geometric operator in v8.2.1

> when @-@ operator used at path type,
> below query maybe returns 1.
> because this path is just line.
>
>
> ----- Original Message -----
> From: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
> To: "Ioseph Kim" <pgsql-kr(at)postgresql(dot)or(dot)kr>
> Cc: <pgsql-hackers(at)postgresql(dot)org>
> Sent: Saturday, February 03, 2007 5:36 AM
> Subject: Re: [HACKERS] problem of geometric operator in v8.2.1
>
>
>> "Ioseph Kim" <pgsql-kr(at)postgresql(dot)or(dot)kr> writes:
>>> => select @-@ lseg '((0,0),(1,0))';
>>>  ?column?
>>> ----------
>>>         1
>>> (1 row)
>>
>>> => select @-@ path '((0,0),(1,0))';
>>>  ?column?
>>> ----------
>>>         2
>>> (1 row)
>>
>>> It's maybe bug in v8.2.1
>>
>> What do you think is wrong with those answers?
>>
>> regards, tom lane
>>
>> TIP 2: Don't 'kill -9' the postmaster
>>
>