CODEWITHSUNDEEP
phpsql
Kris Rimar
Kris Rimar

Reputation: 195

How to sort output by the sum of 4 columns? SQL/PHP

I have 4 columns each containing a number. I need the echo to output in such an order, that the row with the biggest sum of numbers (from each of the 4 columns) is the first.

For example:

1)id1|1 |10|1 |2|
2)id2|3 |12|43|1|
3)id3|12|0 |1 |1|

After ordering:

1)id2|3 |12|43|1
2)id1|1 |10|1 |2
3)id3|12|0 |1 |1

One option is to make a "sum" column... but that would require updating it each time one of the numbers in one of the columns changes... Is there a more simple solution? For example, I output the sum of numbers of each id when it is displayed in a single <div>, I add them with a function before outputing the <div>.

Upvotes: 1

Views: 71

Answers (2)

Dima
Dima

Reputation: 8662

SELECT * FROM your_table ORDER BY (column1+column2+column3+column4) DESC

will get it done

Upvotes: 4

gnerkus
gnerkus

Reputation: 12037

You could use this mysql statement:

SELECT (row1 + row2 + row3 + row4) sum FROM your_table

Upvotes: 0

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