| A simple question for the experts ;)
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Matthew1980
msg:4267292 | 12:18 pm on Feb 15, 2011 (gmt 0) |
I am no mysql expert, but I know enough to get by, what I wish to know is this:-
Example
schema
id|name|date|updateed|status|position
SELECT * FROM `Atable`;
This selects the WHOLE contents of all the columns, all good, but now if I wanted to make use of the timestamped 'date' column I would use this:-
SELECT DATE_FORMAT(`Date`, '%a %D %b %Y %k:%i') AS `getDate` FROM `Atable`
But doing this means that I am only requesting the 'date' column.
I would like to know what the correct approach would be to asking for the date using date_format() as well as ALL the other fields without having to name them individually.
Cheers,
MRb
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brotherhood of LAN
msg:4267294 | 12:22 pm on Feb 15, 2011 (gmt 0) |
SELECT DATE_FORMAT(`Date`, '%a %D %b %Y %k:%i') AS `getDate`,Atable.* FROM `Atable`
This would work, though it also gets the (unformatted) Date field again.
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topr8
msg:4267295 | 12:22 pm on Feb 15, 2011 (gmt 0) |
it's inefficient to use the *
however you could do:
SELECT *,DATE_FORMAT(`Date`, '%a %D %b %Y %k:%i') AS `getDate` FROM `Atable`
which would select all and also select the formatted column, giving you effectively duplicate data, which would also be slightly inefficient however it would save you writing the column names if you wanted.
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Matthew1980
msg:4267321 | 1:45 pm on Feb 15, 2011 (gmt 0) |
>>giving you effectively duplicate data
This is precisely what my concern was, but I'm not too fussed about it's efficiency at the moment.
Thanks for the pointers anyway.
Cheers,
MRb
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Matthew1980
msg:4267323 | 1:47 pm on Feb 15, 2011 (gmt 0) |
Thanks, that does the job nicely:-
SELECT *,DATE_FORMAT(`Date`, '%a %D %b %Y %k:%i') AS `getDate` FROM `Atable`
Thanks,
MRb
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rocknbil
msg:4267454 | 5:27 pm on Feb 15, 2011 (gmt 0) |
If you're using mysql_fetch_array, it returns both associative and indexed array, so there's really no need for "as" unless it's more digestible for you. (but you probably garnered that from posts in PHP . . .)
select id,status,date_format(`Date`, '%a %D %b %Y %k:%i') from table;
...
$id = $row[0];
$status = $row[1];
$dt = $row[2];
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Matthew1980
msg:4267498 | 6:50 pm on Feb 15, 2011 (gmt 0) |
Hi there Rocknbil,
>>If you're using mysql_fetch_array, it returns both associative and indexed array
Yup, I knew that, if this was using php I wouldn't have bothered, but as it's using the ADODB [msdn.microsoft.com] recordset object, I don't know if that's the same difference or not - though, it's functional :)
Cheers,
MRb
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