On Wed, 2002-06-12 at 14:32, Dann Corbit wrote:
> Deletion of data from a PostgreSQL table is very slow.
>
> It would be nice to have a very fast delete like "truncate table."
>
> Now, truncate is a very dangerous command because it is not logged (but
> the same is true for other operations like bulk copy and select into).
> So one needs to be careful how this command is granted. The same damage
> (accidental deletion of all data) can be done by drop table just as
> easily.
>
> I frequently have to do this right now in PostgreSQL, but I simply
> emulate it by drop table/create table.
It's there:
$ psql
Welcome to psql, the PostgreSQL interactive terminal.
Type: \copyright for distribution terms \h for help with SQL commands \? for help on internal slash commands
\g or terminate with semicolon to execute query \q to quit
ler=# select version(); version
---------------------------------------------------------------------PostgreSQL 7.2.1 on i386-portbld-freebsd4.6,
compiledby GCC 2.95.3
(1 row)
ler=# \h truncate
Command: TRUNCATE
Description: empty a table
Syntax:
TRUNCATE [ TABLE ] name
ler=#
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--
Larry Rosenman http://www.lerctr.org/~ler
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