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Databases :: MySql :: query issues
By: roe1and Great Britain  Date: 22/01/2008 15:29:49  English French  Points: 20 Status: Answered
Quality : Excellent
hi, me again.

i'm in the process of converting a foxpro db to mysql and at the moment i'm converting the fox queries? to sql. i need some help. i came across this:

*set filter to (web_ser1=47 or web_ser2=47 or (empty (web_ser2) and web_ser3=47)) and not (cs_id="e5" or cs_id="e6" or cs_id="e7" or cs_id="e8" or cs_id="e9")

so far i have :
SELECT * FROM table WHERE web_ser1='47' OR web_ser2='47' OR (web_ser2 IS NULL AND web_ser3='47') AND cs_id!='e5' AND cs_id!='e6' AND cs_id!='e7' AND cs_id!='e8' AND cs_id!='e9'

i'm not sure what to do about the bit in brackets. any ideas?
By: Nono Date: 26/01/2008 22:15:47 English  Type : Comment
first you could use the IN operator like in "AND cs_is NOT IN ('e5','e6','e7'...)"

then I saw no brackets, sorry ;-)

the idea seems correct and you're right about the SET FILTER dBase meaning : it's a WHERE clause, nothing more. A bit like a VIEW
By: roe1and Date: 28/01/2008 11:57:06 English  Type : Answer
Thanks for your help. my knowledge of sql is not what it should be. my issue is with the (web_ser2 IS NULL AND web_ser3='47'). should this be a seperate sql statement?
By: VGR Date: 02/02/2008 14:14:25 French  Type : Comment
no, it's correctly written this way. you need both conditions for your WHERE clause (SET FILTER TO) to operate correctly.

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