Weiping He <[EMAIL PROTECTED]> writes:
>     the situation trun worse: now the explain shows the query using the 
> index,
>     the we can't select out the match row! Any hint about what's wrong 
> with us?

My bet: either your operators are broken or your operator class
definition is wrong.

                        regards, tom lane

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TIP 8: explain analyze is your friend

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