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From: amul sul <sul_amul@yahoo.co.in>
To: Artur Zakirov <a.zakirov@postgrespro.ru>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: David G. Johnston <david.g.johnston@gmail.com>
Cc: Alex Ignatov <a.ignatov@postgrespro.ru>
Cc: Bruce Momjian <bruce@momjian.us>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: Bug in to_timestamp().
Date: Thu, 25 Aug 2016 09:10:29 +0000 (UTC)
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On Thursday, August 25, 2016 1:56 PM, Artur Zakirov <a.zakirov@postgrespro.ru> wrote:
>> #2. Warning at compilation;
>>
>> formatting.c: In function ‘do_to_timestamp’:
>> formatting.c:3049:37: warning: ‘prev_type’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>> if (prev_type == NODE_TYPE_SPACE || prev_type == NODE_TYPE_SEPARATOR)
>> ^
>> formatting.c:2988:5: note: ‘prev_type’ was declared here
>> prev_type;
>> ^
>>
>> You can avoid this by assigning  zero (or introduce NODE_TYPE_INVAL ) to prev_type at following line:
>>
>> 256 +               prev_type;
>
>
>You are right. I assigned to prev_type NODE_TYPE_SPACE to be able to 
>execute such query:
>
>
>SELECT to_timestamp('---2000----JUN', 'YYYY MON');
>
>
>Will be it a proper behaviour?


Looks good to me, no one will complain if something working on PG but not on Oracle. 


Thanks & Regards,
Amul Sul


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