Add a test for "cannot truncate foreign table"

From: Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Add a test for "cannot truncate foreign table"
Date: 2022-06-30 01:48:12
Message-ID: 20220630104812.ec1556481452c019874f4ac9@sraoss.co.jp
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Hello,

During checking regression tests of TRUNCATE on foreign
tables for other patch [1], I found that there is no test
for foreign tables that don't support TRUNCATE.

When a foreign table has handler but doesn't support TRUNCATE,
an error "cannot truncate foreign table xxx" occurs. So, what
about adding a test this message output? We can add this test
for file_fdw because it is one of the such foreign data wrappers.

I attached a patch.

[1] https://postgr.es/m/20220527172543.0a2fdb469cf048b81c0967d3@sraoss.co.jp

--
Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp>

Attachment Content-Type Size
test_cannot_truncate_foreigin_table.patch text/x-diff 999 bytes

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