diff options
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 3f12748c071..da18a30ac78 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -1,5 +1,5 @@ -/* Copyright (c) 2000, 2014, Oracle and/or its affiliates. - Copyright (c) 2008, 2014, Monty Program Ab. +/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. + Copyright (c) 2008, 2015, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -4634,10 +4634,19 @@ int find_used_partitions(PART_PRUNE_PARAM *ppar, SEL_ARG *key_tree) key_tree->min_flag | key_tree->max_flag, &subpart_iter); - DBUG_ASSERT(res); /* We can't get "no satisfying subpartitions" */ + if (res == 0) + { + /* + The only case where we can get "no satisfying subpartitions" + returned from the above call is when an error has occurred. + */ + DBUG_ASSERT(range_par->thd->is_error()); + return 0; + } + if (res == -1) goto pop_and_go_right; /* all subpartitions satisfy */ - + uint32 subpart_id; bitmap_clear_all(&ppar->subparts_bitmap); while ((subpart_id= subpart_iter.get_next(&subpart_iter)) != |