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* The != and +/- signs are joined together as an operator
@ 2025-03-19 01:23 =?utf-8?B?6LCt5b+g5rab?= <zhongtao.tan@seaboxdata.com>
0 siblings, 1 reply; 3+ messages in thread
From: 谭忠涛 @ 2025-03-19 01:23 UTC (permalink / raw)
To: pgsql-bugs <pgsql-bugs@lists.postgresql.org>
case:
select 1 !=-1;
select 1 !=+1;
Regards
谭忠涛 数据研究院数据库事业部
北京东方金信科技股份有限公司
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^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: The != and +/- signs are joined together as an operator
@ 2025-03-19 14:07 David G. Johnston <david.g.johnston@gmail.com>
parent: =?utf-8?B?6LCt5b+g5rab?= <zhongtao.tan@seaboxdata.com>
0 siblings, 1 reply; 3+ messages in thread
From: David G. Johnston @ 2025-03-19 14:07 UTC (permalink / raw)
To: 谭忠涛 <zhongtao.tan@seaboxdata.com>; +Cc: pgsql-bugs <pgsql-bugs@lists.postgresql.org>
On Tuesday, March 18, 2025, 谭忠涛 <zhongtao.tan@seaboxdata.com> wrote:
> case:
> select 1 !=-1;
> select 1 !=+1;
>
>
Explain why you think it is a bug. From what I see those are potentially
valid operator names that do not exist so “operator not found” is the
correct outcome.
David J.
^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: The != and +/- signs are joined together as an operator
@ 2025-03-19 14:34 Tom Lane <tgl@sss.pgh.pa.us>
parent: David G. Johnston <david.g.johnston@gmail.com>
0 siblings, 0 replies; 3+ messages in thread
From: Tom Lane @ 2025-03-19 14:34 UTC (permalink / raw)
To: David G. Johnston <david.g.johnston@gmail.com>; +Cc: 谭忠涛 <zhongtao.tan@seaboxdata.com>; pgsql-bugs <pgsql-bugs@lists.postgresql.org>
"David G. Johnston" <david.g.johnston@gmail.com> writes:
> On Tuesday, March 18, 2025, 谭忠涛 <zhongtao.tan@seaboxdata.com> wrote:
>> select 1 !=-1;
>> select 1 !=+1;
> Explain why you think it is a bug. From what I see those are potentially
> valid operator names that do not exist so “operator not found” is the
> correct outcome.
Our rules for operator names are here:
https://www.postgresql.org/docs/current/sql-syntax-lexical.html#SQL-SYNTAX-OPERATORS
regards, tom lane
^ permalink raw reply [nested|flat] 3+ messages in thread
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2025-03-19 01:23 The != and +/- signs are joined together as an operator =?utf-8?B?6LCt5b+g5rab?= <zhongtao.tan@seaboxdata.com>
2025-03-19 14:07 ` David G. Johnston <david.g.johnston@gmail.com>
2025-03-19 14:34 ` Tom Lane <tgl@sss.pgh.pa.us>
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