PG17 compatibility: Check whether table AM is default #7747
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PG 17 added support for DEFAULT in ALTER TABLE .. SET ACCESS METHOD
Relevant PG commit:
d61a6cad6418f643a5773352038d0dfe5d3535b8
postgres/postgres@d61a6ca
In that case, name in
AlterTableCmd->name
would be null.Add a null check here to avoid crash.
Note to reviewer: I have opened the pull request against
naisila/pg17_columnar_issue
as the fix from that PR is necessary to see what this PR is fixing. Naturally, this fix will be merged after #7738 has been merged