Use correct DatumGet*() function in test_shm_mq_main().

This is purely cosmetic, as dsm_attach() interprets its argument as
a dsm_handle (i.e., an unsigned integer), but we might as well fix
it.

Oversight in commit 4db3744f1f.

Author: Jianghua Yang <yjhjstz@gmail.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CAAZLFmRxkUD5jRs0W3K%3DUe4_ZS%2BRcAb0PCE1S0vVJBn3sWH2UQ%40mail.gmail.com
Backpatch-through: 13

diff --git a/src/test/modules/test_shm_mq/worker.c b/src/test/modules/test_shm_mq/worker.c
index 96cd304dbbc834d6eec0404a8dde79cb603d08e1..c1d321b69a4272a48163cbc3f7dcac694de505fd 100644 (file)
--- a/src/test/modules/test_shm_mq/worker.c
+++ b/src/test/modules/test_shm_mq/worker.c
@@ -77,7 +77,7 @@ test_shm_mq_main(Datum main_arg)
         * exit, which is fine.  If there were a ResourceOwner, it would acquire
         * ownership of the mapping, but we have no need for that.
         */
-       seg = dsm_attach(DatumGetInt32(main_arg));
+       seg = dsm_attach(DatumGetUInt32(main_arg));
        if (seg == NULL)
                ereport(ERROR,
                                (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),