Yes, use ALTER TABLE tbl ALTER COLUMN col SET DEFAULT 'foo'; and you
won't rebuild the whole table.
You know, you can also just manually specify a value for that column in
the LOAD DATA INFILE statement. I think you can anyway -- I always have
to check the syntax on that one.
Baron
Bernd Jagla wrote:
Hi,
I am mass-importing A LOT of csv tables. In order to distinguish between
files I change the default value for the table before doing a "load data
infile.." from a Perl script:
ALTER TABLE `data` MODIFY COLUMN `sample_id` INTEGER UNSIGNED NOT NULL
DEFAULT $sample_id[$idx]
After importing a few hundred files I now realize that the table is copied
each time the "alter table statement is executed.
Is there a way to avoid this? I think there at least should be a way since
nothing in the structure is altered.
Please advise!
Thanks,
Bernd
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