The original code was adding double quotes to an already-quoted
identifier, leading to nonsensical results. Remove the quoting call.
I introduced the broken code in
7eca575d1c of 9.5 era, so backpatch to
9.5.
Report and patch by Elvis Pranskevichus
Reviewed by Michael Paquier
appendPQExpBuffer(labelq, "CONSTRAINT %s ",
fmtId(domcheck->dobj.name));
appendPQExpBuffer(labelq, "ON DOMAIN %s",
- fmtId(qtypname));
+ qtypname);
dumpComment(fout, labelq->data,
tyinfo->dobj.namespace->dobj.name,
tyinfo->rolname,