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author | Monty <monty@mariadb.org> | 2020-06-26 13:42:04 +0300 |
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committer | Monty <monty@mariadb.org> | 2020-07-02 14:25:41 +0300 |
commit | 3f2044ae99633ce6d9c756bb6b045efc0707b4b5 (patch) | |
tree | 63ed49261c9cf3015aa2ca45813899ad500b959e /sql/table.cc | |
parent | 1df1a6392477ad211b2a66c6eccbe9d5c6316c7e (diff) | |
download | mariadb-git-3f2044ae99633ce6d9c756bb6b045efc0707b4b5.tar.gz |
MDEV-22535 TABLE::initialize_quick_structures() takes 0.5% in oltp_read_only
- Removed not needed bzero in void TABLE::initialize_quick_structures().
- Replaced bzero with TRASH_ALLOC() to have this change verfied with
memory checkers
- Added missing table->quick_keys.is_set in table_cond_selectivity()
Diffstat (limited to 'sql/table.cc')
-rw-r--r-- | sql/table.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sql/table.cc b/sql/table.cc index 1877c3b7c76..c0cfc5ca3db 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -9358,10 +9358,10 @@ bool TABLE::export_structure(THD *thd, Row_definition_list *defs) void TABLE::initialize_quick_structures() { - bzero(quick_rows, sizeof(quick_rows)); - bzero(quick_key_parts, sizeof(quick_key_parts)); - bzero(quick_costs, sizeof(quick_costs)); - bzero(quick_n_ranges, sizeof(quick_n_ranges)); + TRASH_ALLOC(quick_rows, sizeof(quick_rows)); + TRASH_ALLOC(quick_key_parts, sizeof(quick_key_parts)); + TRASH_ALLOC(quick_costs, sizeof(quick_costs)); + TRASH_ALLOC(quick_n_ranges, sizeof(quick_n_ranges)); } /* |