Expressions

Eduardo Zenaide ezenaide at GMAIL.COM
Fri Jan 5 14:00:37 EST 2007


thanks, Steve!

2007/1/5, Steve Lime <Steve.Lime at dnr.state.mn.us>:
>
> Try ([IDH_2000] <= 0.4)
>
> Steve
>
> >>> Eduardo Zenaide <ezenaide at GMAIL.COM> 1/5/2007 11:50:07 AM >>>
> hi, all,
>
> i'm trying to understand how expressions work here.
> i have one layer with IDH_2000 class wich has lots of numerical
> values.
> i try using ("[IDH_2000]" <= /0.4/) and it returns the error:
>
> msQueryByAttributes(): Search returned no results. No matching
> record(s)
> found.
> msEvalExpression: Expression parser error. Failed to parse expression
> msyyparse(): Expression parser error. syntax error
>
> i think i'm using the wrong syntax, but i've read
> http://mapserver.gis.umn.edu/docs/howto/msexpressions
> and couldn't get it.
>
> if i do the same but using =~ works :P
> so, any clues?
>
> thanks!
>
> --
> Eduardo Zenaide
>



-- 
Eduardo Zenaide
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