Ashish Goel <[EMAIL PROTECTED]> writes:
> We have a following table xyz( id int , fname varchar(50), img image)
> where image is a data type we have created similar to lo.
> ...
> Can somebody suggest us what might be the cause of error and what can we do 
> to resolve it ?

Incorrect code in your custom datatype, almost certainly.  Check
computations of memory size allocations, for example.  Test it in
a backend compiled with --enable-cassert.

                        regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match

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