PFC <[EMAIL PROTECTED]> writes:
> > I was also vaguely pondering whether all the DDL commands could be
> > generalized to receive or send COPY formatted data for repeated execution.
> > It would be neat to be able to prepare an UPDATE with placeholders and
> > stream data in COPY format as parameters to the UPDATE to execute it
> > thousands or millions of times without any protocol overhead or network
> > pipeline stalls.
>
> MySQL already does this for INSERT :
> INSERT INTO x (a,b) VALUES (1,2), (3,4), (5,6)...;
Does MySQL really let you stream that? Trying to do syntax like that in
Postgres wouldn't work because the parser would try to build up a parse tree
for the whole statement before running the command.
--
greg
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
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