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| author | Igor Babaev <igor@askmonty.org> | 2013-04-06 12:33:38 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2013-04-06 12:33:38 -0700 |
| commit | 1c30fb2a156b9c510e1829108bc8db71dcea3d43 (patch) | |
| tree | 5d8d758dc8a8b72601e56ca287309e86391e4be5 /sql/opt_range.cc | |
| parent | b2d0a33ea04a5eb20124667ea277fe78eb981a90 (diff) | |
| download | mariadb-git-1c30fb2a156b9c510e1829108bc8db71dcea3d43.tar.gz | |
Fixed bug mdev-4372.
Range analysis of non-indexed columns should handle properly range trees
with type == SEL_TREE::MAYBE.
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 215c85cbdf5..035ea3635e2 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -3368,7 +3368,12 @@ bool calculate_cond_selectivity_for_table(THD *thd, TABLE *table, Item *cond) rows= 0; table->reginfo.impossible_range= 1; goto free_alloc; - } + } + else if (tree->type == SEL_TREE::MAYBE) + { + rows= table_records; + goto free_alloc; + } for (key= tree->keys, end= key + param.keys; key != end; key++, idx++) { |