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| author | Sergei Golubchik <sergii@pisem.net> | 2013-11-23 00:50:54 +0100 |
|---|---|---|
| committer | Sergei Golubchik <sergii@pisem.net> | 2013-11-23 00:50:54 +0100 |
| commit | c6d30805db3a1a2a098c3009fde8a42efd9fb9de (patch) | |
| tree | e55f68e5adf40e1a75e08bda91b712ab6a094643 /sql/opt_range.cc | |
| parent | 2c032b990e4ec470fad2e9f61cf6267a68b7e937 (diff) | |
| parent | eea310e498f3b7ac95a4492d48f04e08d3009412 (diff) | |
| download | mariadb-git-c6d30805db3a1a2a098c3009fde8a42efd9fb9de.tar.gz | |
5.5 merge
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 410f0d5c0f3..d90c8e88704 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -5334,8 +5334,10 @@ TABLE_READ_PLAN *merge_same_index_scans(PARAM *param, SEL_IMERGE *imerge, bzero((*changed_tree)->keys, sizeof((*changed_tree)->keys[0])*param->keys); (*changed_tree)->keys_map.clear_all(); - key->incr_refs(); - (*tree)->keys[key_idx]->incr_refs(); + if (key) + key->incr_refs(); + if ((*tree)->keys[key_idx]) + (*tree)->keys[key_idx]->incr_refs(); if (((*changed_tree)->keys[key_idx]= key_or(param, key, (*tree)->keys[key_idx]))) (*changed_tree)->keys_map.set_bit(key_idx); |