Failed Assertion about PolymorphicType

From: Jaime Casanova <jaime(dot)casanova(at)2ndquadrant(dot)com>
To: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Failed Assertion about PolymorphicType
Date: 2020-04-04 21:03:52
Message-ID: CAJGNTeMbhtsCUZgJJ8h8XxAJbK7U2ipsX8wkHRtZRz-NieT8RA@mail.gmail.com
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Hi,

Running sqlsmith on master i got an assertion failure on parse_coerce.c:2049

This is a minimal query to reproduce in an empty database, i also
attached the stack trace

"""
select
pg_catalog.array_in(
cast(pg_catalog.regoperatorout(
cast(cast(null as regoperator) as regoperator)) as cstring),
cast((select pronamespace from pg_catalog.pg_proc limit 1 offset 1)
as oid),
cast(subq_1.pid as int4)) as c0
from pg_catalog.pg_stat_progress_analyze as subq_1
"""

--
Jaime Casanova www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Attachment Content-Type Size
gdb.txt text/plain 9.3 KB

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