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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2017-10-04 08:24:06 +0300 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2017-10-04 08:24:06 +0300 |
| commit | 2c1067166d7e8a9541578220b408f1e553e23916 (patch) | |
| tree | 2ba0932f92d88e01d51393de63dda842f6daf320 /sql/sql_statistics.cc | |
| parent | 2cf3e2ea2fca3d3613309de94d55c88dedb3831a (diff) | |
| parent | 61b2618d3aae78950f1b8dbe8d4482573c77875d (diff) | |
| download | mariadb-git-2c1067166d7e8a9541578220b408f1e553e23916.tar.gz | |
Merge bb-10.2-ext into 10.3
Diffstat (limited to 'sql/sql_statistics.cc')
| -rw-r--r-- | sql/sql_statistics.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/sql_statistics.cc b/sql/sql_statistics.cc index 3e023767807..0048e525cad 100644 --- a/sql/sql_statistics.cc +++ b/sql/sql_statistics.cc @@ -3757,7 +3757,10 @@ double get_column_avg_frequency(Field * field) using the statistical data from the table column_stats. @retval - The required estimate of the rows in the column range + - The required estimate of the rows in the column range + - If there is some kind of error, this function should return DBL_MAX (and + not HA_POS_ERROR as that is an integer constant). + */ double get_column_range_cardinality(Field *field, |