diff options
Diffstat (limited to 'sql/item_cmpfunc.cc')
| -rw-r--r-- | sql/item_cmpfunc.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index fe4616f64d7..b2ed2df0f45 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -1583,6 +1583,13 @@ int Arg_comparator::compare_row() bool was_null= 0; (*a)->bring_value(); (*b)->bring_value(); + + if ((*a)->null_value || (*b)->null_value) + { + owner->null_value= 1; + return -1; + } + uint n= (*a)->cols(); for (uint i= 0; i<n; i++) { |