Fix planner failure with extended statistics on partitioned tables.
Some cases would result in "cache lookup failed for statistics object",
due to trying to fetch inherited statistics when only non-inherited
ones are available or vice versa.
Richard Guo and Justin Pryzby
Discussion: https://postgr.es/m/20221030170520.GM16921@telsasoft.com
Branch
------
REL_15_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/1f1865e9083625239769c26f68b9c2861b8d4b1c
Modified Files
--------------
src/backend/utils/adt/selfuncs.c | 11 +++++++++--
src/test/regress/expected/stats_ext.out | 8 +++++++-
src/test/regress/sql/stats_ext.sql | 3 ++-
3 files changed, 18 insertions(+), 4 deletions(-)