Hi!
On Jul 13, Alexander Newald wrote:
> Hello,
>
> I have a table with id (char(8)) and value (int(8))
>
> To make my problem clear:
>
> There is no set with id = "20030713"
> insert into table values ("20030713","10");
>
> The next set is ("20030713","20") but as a set with 20030713 is
> already available I like to have
> update table set value = value + 20 where id = "20030713"
>
> I tried the "replace" command but I fail to get the "value = value + 20" working.
In 4.1 there is INSERT ... UPDATE command:
INSERT INTO TABLE VALUES ("20030713","20")
ON DUPLICATE KEY UPDATE VALUE = VALUE + 20
assuming, of course, there is a UNIQUE (or PRIMARY) key on ID, so that
there will be "duplicate key"
Regards,
Sergei
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/ |/ /_ __/ __/ __ \/ / Sergei Golubchik <[EMAIL PROTECTED]>
/ /|_/ / // /\ \/ /_/ / /__ MySQL AB, Senior Software Developer
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