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Re: problem of geometric operator in v8.2.1

From: "Ioseph Kim" <pgsql-kr(at)postgresql(dot)or(dot)kr>
To: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: problem of geometric operator in v8.2.1
Date: 2007-02-02 21:00:29
Message-ID: 00f001c7470d$2bd51400$1e00a8c0@IDC (view raw or flat)
Thread:
Lists: pgsql-hackers
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
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
>

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