Fix CLUSTER on expression indexes.
Since the introduction of different slot types, in 1a0586de3657, we
create a virtual slot in tuplesort_begin_cluster(). While that looks
right, it unfortunately doesn't actually work, as ExecStoreHeapTuple()
is used to store tuples in the slot. Unfortunately no r
Fix CLUSTER on expression indexes.
Since the introduction of different slot types, in 1a0586de3657, we
create a virtual slot in tuplesort_begin_cluster(). While that looks
right, it unfortunately doesn't actually work, as ExecStoreHeapTuple()
is used to store tuples in the slot. Unfortunately no r
