+/* Prints table entries that weak reference the 'cur_row'. */
+static void
+cmd_show_weak_ref(struct ctl_context *ctx, const struct cmd_show_table *show,
+ const struct ovsdb_idl_row *cur_row, int level)
+{
+ const struct ovsdb_idl_row *row_wref;
+ const struct ovsdb_idl_table_class *table = show->wref_table.table;
+ const struct ovsdb_idl_column *name_column
+ = show->wref_table.name_column;
+ const struct ovsdb_idl_column *wref_column
+ = show->wref_table.wref_column;
+
+ if (!table || !name_column || !wref_column) {
+ return;
+ }
+
+ for (row_wref = ovsdb_idl_first_row(ctx->idl, table); row_wref;
+ row_wref = ovsdb_idl_next_row(row_wref)) {
+ const struct ovsdb_datum *wref_datum
+ = ovsdb_idl_read(row_wref, wref_column);
+ /* If weak reference refers to the 'cur_row', prints it. */
+ if (wref_datum->n
+ && uuid_equals(&cur_row->uuid, &wref_datum->keys[0].uuid)) {
+ const struct ovsdb_datum *name_datum
+ = ovsdb_idl_read(row_wref, name_column);
+ ds_put_char_multiple(&ctx->output, ' ', (level + 1) * 4);
+ ds_put_format(&ctx->output, "%s ", table->name);
+ ovsdb_datum_to_string(name_datum, &name_column->type, &ctx->output);
+ ds_put_char(&ctx->output, '\n');
+ }
+ }
+}
+