Juan Manuel Diaz Lara <[EMAIL PROTECTED]> writes:
> I need a rownum column, like Oracle. I have searched the mailing lists and I
> don't see a satisfactory solution, so I was wondering write a UDF to
> implement it, the requirements are:
Try keeping a counter in fcinfo->flinfo->fn_extra.
> 3. And more important, need to be called in the right place when called
> from subquerys:
Don't expect miracles in this department. The planner will evaluate the
function where it sees fit...
regards, tom lane
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