Explain unaccounted for space in pgstattuple.
authorAndrew Dunstan
Tue, 27 Dec 2016 16:23:46 +0000 (11:23 -0500)
committerAndrew Dunstan
Tue, 27 Dec 2016 16:28:26 +0000 (11:28 -0500)
commit99ae68da22df7bc22e83ae8901e16ec14c9dd837
treebf02c94324ff8a80bc847ab0ab102e32d04cf74e
parent56d58fa0415cfef3bc157d1139776d81139bcac8
Explain unaccounted for space in pgstattuple.

In addition to space accounted for by tuple_len, dead_tuple_len and
free_space, the table_len includes page overhead, the item pointers
table and padding bytes.

Backpatch to live branches.
doc/src/sgml/pgstattuple.sgml