Samuel Vogel <s(at)muel-vogel(dot)de> writes:
> Am 18.07.12 23:56, schrieb Tom Lane:
>> It has access to the data type's basic storage parameters, which are
>> typbyval, typlen, and typalign; and we have standard conventions for
>> identifying the length etc of variable-length values. It's just the
>> meaning of the payload data bytes that's data-type-private.
> Okay, so with these I know if and how I would have to "dereference" the
> data.
> But how do I get to this info from inside _bt_binsrch?
RelationGetDescr(rel)->attrs[n]->attbyval etc.
regards, tom lane