In response to Philippe Lang :
>
> My goal is to make query...
>
> select * from indexed_table WHERE data1 >
> this_is_a_long_transformation(data2);
>
> ... as fast as
>
> select * from indexed_table WHERE data1 > data2;
>
> ... with the help of the index "long_transformation_index".
>
Around 50% of your data comply with your where-condition, i think, this
is the reason why the planner decides for a seq-scan.
Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
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