Fix pg_prepared_statements.result_types for DML statements
Amendment to 84ad713cf85aeffee5dd39f62d49a1b9e34632da: Not all
prepared statements have a result descriptor. As currently coded,
this would crash when reading pg_prepared_statements. Make those
cases return null for result_types instead. Also add a test case for
it.
Branch
------
master
Details
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https://git.postgresql.org/pg/commitdiff/6ffff0fd225432fe2ae4bd5abb7ff6113e255418
Modified Files
--------------
doc/src/sgml/catalogs.sgml | 2 ++
src/backend/commands/prepare.c | 20 ++++++++++++++------
src/test/regress/expected/prepare.out | 7 ++++++-
src/test/regress/sql/prepare.sql | 4 ++++
4 files changed, 26 insertions(+), 7 deletions(-)
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