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| author | Igor Babaev <igor@askmonty.org> | 2013-01-08 08:17:51 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2013-01-08 08:17:51 -0800 |
| commit | 01dca17a9c2255845c050c44e152ece256c9112e (patch) | |
| tree | a1a792933c970559fd488218725aed1becbe20f5 /sql/sql_statistics.h | |
| parent | e44253a125c3baf7ea448edce77389810425df2a (diff) | |
| download | mariadb-git-01dca17a9c2255845c050c44e152ece256c9112e.tar.gz | |
Fixed bug mdev-3979.
Made allocation of memory for statistical data in a table share to be thread safe.
This memory is now allocated in a special MEM_ROOT that is created for each
table share.
Diffstat (limited to 'sql/sql_statistics.h')
| -rw-r--r-- | sql/sql_statistics.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_statistics.h b/sql/sql_statistics.h index e24e4beae74..17f22cec4e5 100644 --- a/sql/sql_statistics.h +++ b/sql/sql_statistics.h @@ -102,6 +102,7 @@ class Table_statistics public: my_bool cardinality_is_null; /* TRUE if the cardinality is unknown */ ha_rows cardinality; /* Number of rows in the table */ + uchar *min_max_record_buffers; /* Record buffers for min/max values */ Column_statistics *column_stats; /* Array of statistical data for columns */ Index_statistics *index_stats; /* Array of statistical data for indexes */ ulong *idx_avg_frequency; /* Array of records per key for index prefixes */ |