psql: use consistent alias for pg_description

Author:Jelte Fennema-Nio <github-tech@jeltef.nl>
Suggested-By: Michael Banck <mbanck@gmx.net>
Discussion: https://www.postgresql.org/message-id/67813520.170a0220.183245.7bf0%40mx.google.com

diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index 01e62430fff0871c03f8f1416de8150020d6c1fe..bf565afcc4ef315561aaf8efb100c6f67821ceba 100644 (file)
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -6189,12 +6189,12 @@ listExtensions(const char *pattern)
    printfPQExpBuffer(&buf,
                      "SELECT e.extname AS \"%s\", "
                      "e.extversion AS \"%s\", ae.default_version AS \"%s\","
-                     "n.nspname AS \"%s\", c.description AS \"%s\"\n"
+                     "n.nspname AS \"%s\", d.description AS \"%s\"\n"
                      "FROM pg_catalog.pg_extension e "
                      "LEFT JOIN pg_catalog.pg_namespace n ON n.oid = e.extnamespace "
-                     "LEFT JOIN pg_catalog.pg_description c ON c.objoid = e.oid "
+                     "LEFT JOIN pg_catalog.pg_description d ON d.objoid = e.oid "
                      "LEFT JOIN pg_catalog.pg_available_extensions() ae(name, default_version, comment) ON ae.name = e.extname "
-                     "AND c.classoid = 'pg_catalog.pg_extension'::pg_catalog.regclass\n",
+                     "AND d.classoid = 'pg_catalog.pg_extension'::pg_catalog.regclass\n",
                      gettext_noop("Name"),
                      gettext_noop("Version"),
                      gettext_noop("Default version"),