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MDEV-5717: Server crash with insert statement containing DEFAULT into view

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Item_default_value::arg can be NULL so walk() should take it into consideration.
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unknown 2014-03-12 15:50:00 +02:00
parent 5f5d2db141
commit cd29dc9821
1 changed files with 1 additions and 1 deletions
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2
sql/item.h
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@ -2890,7 +2890,7 @@ public:
bool walk(Item_processor processor, bool walk_subquery, uchar *args)
{
return arg->walk(processor, walk_subquery, args) ||
return (arg && arg->walk(processor, walk_subquery, args)) ||
(this->*processor)(args);
}