From: Andrew Dunstan <andrew@dunslane.net>
To: Indira Muthuswamy <indumuthu@gmail.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Bug?
Date: Wed, 18 Oct 2006 09:31:54 -0400
Message-ID: <45362CCA.8060000@dunslane.net> (raw)
In-Reply-To: <e1a645540610180623s2d3bf652k7fee992947a65903@mail.gmail.com>
References: <e1a645540610180623s2d3bf652k7fee992947a65903@mail.gmail.com>
Indira Muthuswamy wrote:
> Hai,
>
> I have encountered a problem with PostgreSQL.I have created a table
> 'tab1' with a column 'a' with serial type.I entered 20 records into
> the table.So the query
> select max(a) from tab1;
> returned 20.When I tried the same query after the command
> truncate table tab1;
> I found that the output of the first query as
>
> max
> -----
>
> (1 row)
>
> When I tried to insert a new row into the table tab1 I found that the
> value at column a incremented to the value 21.
> But I heard from my friends that the value of the serial column gets
> decremented whenever we issue the 'truncate table' command (in MS SQL
> SERVER).Is the concept same with PostgreSQL or not?Can anyone clarify
> me on this?
>
Sure. You heard wrong about postgres.
Please do not ask questions like this on the -hackers list - this should
have gone to pgsql-general. The hackers list is for postgresql
development discussions only.
cheers
andrew
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To: pgsql-sql@postgresql.org
Cc: andrew@dunslane.net, indumuthu@gmail.com, pgsql-hackers@postgresql.org
Subject: Re: Bug?
In-Reply-To: <45362CCA.8060000@dunslane.net>
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