diff options
Diffstat (limited to 'sql/field_conv.cc')
| -rw-r--r-- | sql/field_conv.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/field_conv.cc b/sql/field_conv.cc index d61b3735c91..59b550572c3 100644 --- a/sql/field_conv.cc +++ b/sql/field_conv.cc @@ -605,6 +605,10 @@ void field_conv(Field *to,Field *from) from->charset() == to->charset() && to->table->db_low_byte_first == from->table->db_low_byte_first) { // Identical fields +#ifdef HAVE_purify + /* This may happen if one does 'UPDATE ... SET x=x' */ + if (to->ptr != from->ptr) +#endif memcpy(to->ptr,from->ptr,to->pack_length()); return; } |