Обсуждение: pgsql: Make object address handling more robust

Make object address handling more robust

pg_identify_object_as_address crashes when passed certain tuples from
inconsistent system catalogs.  Make it more defensive.

Author: Álvaro Herrera
Reviewed-by: Michaël Paquier
Discussion: https://postgr.es/m/20190218202743.GA12392@alvherre.pgsql

Branch
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REL9_5_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/545928bbbf9c8c2bfa748702d40a43d6a560216b

Modified Files
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src/backend/catalog/objectaddress.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)