Fix EvalPlanQualStart to handle partitioned result rels correctly.
The es_root_result_relations array needs to be shallow-copied in the
same way as the main es_result_relations array, else EPQ rechecks on
partitioned result relations fail, as seen in bug #15677 from
Norbert Benkocs.
Amit Langote, isolation test case added by me
Discussion: https://postgr.es/m/15677-0bf089579b4cd02d@postgresql.org
Discussion: https://postgr.es/m/19321.1554567786@sss.pgh.pa.us
Branch
------
REL_11_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/b291488da5132e0355717b365dcc30c740cdcd03
Modified Files
--------------
src/backend/executor/execMain.c | 14 +++++++++++++-
src/test/isolation/expected/eval-plan-qual.out | 12 ++++++++++++
src/test/isolation/specs/eval-plan-qual.spec | 17 +++++++++++++++++
3 files changed, 42 insertions(+), 1 deletion(-)