Allow to use HeapTupleData embedded in [Buffer]HeapTupleTableSlot. That avoids having to care about the lifetime of the HeapTupleHeaderData passed to ExecStore[Buffer]HeapTuple(). That doesn't make a huge difference for a plain HeapTupleTableSlot, but for BufferHeapTupleTableSlot it can be a significant advantage, avoiding the need to materialize slots where it's inconvenient to provide a HeapTupleData with appropriate lifetime to point to the on-disk tuple.
It's quite possible that we'll want to add support functions for constructing HeapTuples using that embedded HeapTupleData, but for now callers do so themselves. Author: Andres Freund Discussion: https://postgr.es/m/[email protected] Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/5408e233f0667478e7f2a3e4b914e14217e20729 Modified Files -------------- src/include/executor/tuptable.h | 2 ++ 1 file changed, 2 insertions(+)
