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
