"Andrus" <kobruleht2@hot.ee> writes:
>> No, what it sounds like is the OP tried to physically replicate a
>> database on another platform with completely different sorting rules.
> The sorting rules for this locale must be the same in both platforms.
> Only locale names are different.
I think they are less alike than you hoped, because if they were alike,
you wouldn't be seeing this problem.
Possibly you could try running contrib/amcheck on the index in question
and see if it reports any issues.
regards, tom lane