tedd wrote:
At 1:42 PM -0600 4/16/06, Chuck Anderson wrote:
alex wrote:
hi everyone
i have delete a few entries in my database as they were entered for
testing purposes and are no longer need (actually 102 entries)...
and even thought that db is empty i noticed that when the next
entry went in the id number went to 103
not 0 so i was wondering is it possible to somehow reset the value to zero...
it is of int type and auto_increment
i have a few db's which id like to reset to zero i have tried
placing a zero enrty after deleting the lot but it only jumps to
its next increment.
does anyone know what i mean...?
any help will be grateful
regards alex
On a related note (he did say PhpMyAdmin) ...
ALTER TABLE 'tablename' auto_increment=n works, but I can't get
PhpMyAdmin to reset the auto_increment through the Operations menu
page.
If I go to the Operations tab for a table and set the auto_increment
value to something less that it currently is, PhpMyAdmin will not
honor my request and re-specifies the current auto_increment value
in the ALTER TABLE command (even though my requested value is valid).
Is this because of a config setting? I could have sworn earlier
versions would obey my request.
Chuck:
This always works for me in PhpMyAdmin (I mistyped it before).
1. Delete the first record.
2. Reset the auto_increment in Operations to whatever you want.
3. Insert a record.
4. Delete that record.
After that, the next record will start at the new auto_increment
value. Don't ask why, that's just the way it works.
tedd
That would work, except that I want to change the auto_increment without
deleting the first record.
During testing I may add many entries to the end of an existing database
table. When I am done testing I want to delete those "extraneous"
entries (leaving the earlier entries intact). Call me
obsessive/compulsive or whatever, but I like to knock the auto_increment
value back down to the next valid value (what was the first "test" value).
PhpMyAdmin refuses to use the valid auto_increment value I specify in
Operations and I have to edit the query to set it right.
--
*****************************
Chuck Anderson • Boulder, CO
http://www.CycleTourist.com
Integrity is obvious.
The lack of it is common.
*****************************
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