Re: Performance on inserts

On Sat, 26 Aug 2000, Jules Bean wrote:

> Is there any simple way for Pg to combine inserts into one bulk?
> Specifically, their effect on the index files.  It has always seemed
> to me to be one of the (many) glaring flaws in SQL that the INSERT
> statement only takes one row at a time.

One of MySQL's little syntax abuses allows:

INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..);

which is nice for avoiding database round trips.  It's one
of the reasons that mysql can do a bulk import so quickly.

> But, using INSERT ... SELECT, I can imagine that it might be possible
> to do 'bulk' index updating. so that scanning process is done once per
> 'batch'.

Logic for these two cases would be excellent.

Matthew.