diff options
Diffstat (limited to 'sql/sql_statistics.cc')
| -rw-r--r-- | sql/sql_statistics.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sql/sql_statistics.cc b/sql/sql_statistics.cc index 9242e3b423a..8d1342773f7 100644 --- a/sql/sql_statistics.cc +++ b/sql/sql_statistics.cc @@ -2114,7 +2114,12 @@ int alloc_statistics_for_table(THD* thd, TABLE *table) Histogram_type hist_type= (Histogram_type) (thd->variables.histogram_type); uchar *histogram= NULL; if (hist_size > 0) - histogram= (uchar *) alloc_root(&table->mem_root, hist_size * columns); + { + if ((histogram= (uchar *) alloc_root(&table->mem_root, + hist_size * columns))) + bzero(histogram, hist_size * columns); + + } if (!table_stats || !column_stats || !index_stats || !idx_avg_frequency || (hist_size && !histogram)) |