diff options
Diffstat (limited to 'sql/sql_statistics.cc')
| -rw-r--r-- | sql/sql_statistics.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sql/sql_statistics.cc b/sql/sql_statistics.cc index a9b6ba222f9..944fa5dc176 100644 --- a/sql/sql_statistics.cc +++ b/sql/sql_statistics.cc @@ -1057,7 +1057,9 @@ public: else { table_field->collected_stats->min_value->val_str(&val); - stat_field->store(val.ptr(), val.length(), &my_charset_bin); + size_t length= Well_formed_prefix(val.charset(), val.ptr(), + MY_MIN(val.length(), stat_field->field_length)).length(); + stat_field->store(val.ptr(), length, &my_charset_bin); } break; case COLUMN_STAT_MAX_VALUE: @@ -1066,7 +1068,9 @@ public: else { table_field->collected_stats->max_value->val_str(&val); - stat_field->store(val.ptr(), val.length(), &my_charset_bin); + size_t length= Well_formed_prefix(val.charset(), val.ptr(), + MY_MIN(val.length(), stat_field->field_length)).length(); + stat_field->store(val.ptr(), length, &my_charset_bin); } break; case COLUMN_STAT_NULLS_RATIO: @@ -3133,7 +3137,7 @@ int read_statistics_for_table(THD *thd, TABLE *table, TABLE_LIST *stat_tables) } } } - + table->stats_is_read= TRUE; DBUG_RETURN(0); |