Samuel Vogel <s...@muel-vogel.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

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