Re: [HACKERS] Transactions vs speed.

2001-01-13 Thread Tom Lane
mlw <[EMAIL PROTECTED]> writes: > Take this update: > update table set field = 'X' ; > This is a very expensive function when the table has millions of rows, > it takes over an hour. If I dump the database, and process the data with > perl, then reload the data, it takes minutes. Most of the

Re: [HACKERS] Transactions vs speed.

2001-01-13 Thread Alfred Perlstein
* mlw <[EMAIL PROTECTED]> [010113 17:19] wrote: > I have a question about Postgres: > > Take this update: > update table set field = 'X' ; > > > This is a very expensive function when the table has millions of rows, > it takes over an hour. If I dump the database, and process the data wit

[HACKERS] Transactions vs speed.

2001-01-13 Thread mlw
I have a question about Postgres: Take this update: update table set field = 'X' ; This is a very expensive function when the table has millions of rows, it takes over an hour. If I dump the database, and process the data with perl, then reload the data, it takes minutes. Most of the ti