MySQL newbie question

user05784

I have a dataflow I've built in Magic ETL, and I want to add a new column using a conditional statement to return the value from one of 3 existing columns (doing this in Beast Mode prevents me from getting the correct aggregations, so I'm trying to add in the dataflow itself).

 

So I want to have Invoice Sales returned if >0, if not then return j_quote_ if >0, if not then return WP Price.  The Magic ETL dataflow basically looks like this, and I want to add the column in bold:

 

Job No_1	J_JOB_STATUS	Invoice Sales	WP Price	J_QUOTE_	Total Job
123456	JOB INVOICED. INVOICE# 12345678	2992.5	3021.02	0	2992.5
123457	JOB ENTERED		340	0	340
123458	JOB CARD PRINTED		6196	6240	6240

 

This is the syntax I have in MySql, but I'm a newbie at SQL, and I'm sure I'm missing something simple.  Any suggestions are welcome:

 

 

 

 

Thanks!

 

Valiant

Here you go, this should do the trick.

 

SELECT *,

   CASE WHEN `Invoice Sales` > 0 THEN `Invoice Sales`

              WHEN `Invoice Sales` < 0 AND `J_QUOTE_` > 0 THEN `J_QUOTE_`

              ELSE `WP Price`

   END AS 'Total Job'

FROM sales_wp_quote_summarized_by_job

 

Sincerely,

ValiantSpur

 

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user05784

Excellent.  Thanks.