Bug#17431533 : FAILING ASSERTION: INDEX->PAGE != 0XFFFFFFFF AFTER DISCARDING TABLESPACE

ha_innobase::records_in_range() should return HA_POS_ERROR for the table during discarded without requesting pages.
The later other handler method should treat the error correctly.

Approved by Sunny in rb#3433

storage/innobase/handler/ha_innodb.cc

@@ -6454,6 +6454,11 @@ ha_innobase::records_in_range(
 
 	index = dict_table_get_index_noninline(prebuilt->table, key->name);
 
+	if (prebuilt->table->ibd_file_missing) {
+		n_rows = HA_POS_ERROR;
+		goto func_exit;
+	}
+
 	range_start = dtuple_create_for_mysql(&heap1, key->key_parts);
 	dict_index_copy_types(range_start, index, key->key_parts);
 
@@ -6503,6 +6508,8 @@ ha_innobase::records_in_range(
 
 	my_free(key_val_buff2, MYF(0));
 
+func_exit:
+
 	prebuilt->trx->op_info = (char*)"";
 
 	/* The MySQL optimizer seems to believe an estimate of 0 rows is

storage/innodb_plugin/handler/ha_innodb.cc

@@ -7523,6 +7523,10 @@ ha_innobase::records_in_range(
 	/* There exists possibility of not being able to find requested
 	index due to inconsistency between MySQL and InoDB dictionary info.
 	Necessary message should have been printed in innobase_get_index() */
+	if (prebuilt->table->ibd_file_missing) {
+		n_rows = HA_POS_ERROR;
+		goto func_exit;
+	}
 	if (UNIV_UNLIKELY(!index)) {
 		n_rows = HA_POS_ERROR;
 		goto func_exit;