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| author | Sergey Petrunya <psergey@askmonty.org> | 2011-09-13 23:45:02 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2011-09-13 23:45:02 +0400 |
| commit | 5ebff8ab788923cfcc25862d6c9e11ea20801fa0 (patch) | |
| tree | e519537d6843ffb5807de5a5e16f1b5760ab2a46 /sql/item.cc | |
| parent | 3769841d9e706ee018d5273d2901954b9a281c3e (diff) | |
| download | mariadb-git-5ebff8ab788923cfcc25862d6c9e11ea20801fa0.tar.gz | |
BUG#730133: Wrong result with jkl = 7, BKA, ICP in maria-5.3 + compound index
- Mrr_ordered_index_reader::interrupt_read() and resume_read() should
save/restore not just index lookup tuple, but entire index tuple.
Key parts that are not used for index lookup can be still used in
pushed index condition. Failure to save/restore will cause the index
condition to be evaluated over the wrong values.
Diffstat (limited to 'sql/item.cc')
| -rw-r--r-- | sql/item.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sql/item.cc b/sql/item.cc index d0992a379e0..02263106fe8 100644 --- a/sql/item.cc +++ b/sql/item.cc @@ -9124,7 +9124,22 @@ table_map Item_ref_null_helper::used_tables() const } +/* Debugger help function */ +static char dbug_item_print_buf[256]; +const char *dbug_print_item(Item *item) +{ + char *buf= dbug_item_print_buf; + String str(buf, sizeof(dbug_item_print_buf), &my_charset_bin); + str.length(0); + if (!item) + return "(Item*)NULL"; + item->print(&str ,QT_ORDINARY); + if (str.c_ptr() == buf) + return buf; + else + return "Couldn't fit into buffer"; +} /***************************************************************************** ** Instantiate templates *****************************************************************************/ |