Show table access methods as such in psql's \dA.

Previously we didn't display a type for table access methods.

Author: Haribabu Kommi
Discussion: CAJrrPGeeYOqP3hkZyohDx_8dot4zvPuPMDBmhJ=iC85cTBNeYw@mail.gmail.com

src/bin/psql/describe.c

@@ -169,9 +169,11 @@ describeAccessMethods(const char *pattern, bool verbose)
 					  "SELECT amname AS \"%s\",\n"
 					  "  CASE amtype"
 					  " WHEN 'i' THEN '%s'"
+					  " WHEN 't' THEN '%s'"
 					  " END AS \"%s\"",
 					  gettext_noop("Name"),
 					  gettext_noop("Index"),
+					  gettext_noop("Table"),
 					  gettext_noop("Type"));
 
 	if (verbose)