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Backported fix from 4.0 which caused core dumps for some complex queries.

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monty@hundin.mysql.fi
2002-06-17 15:00:06 +03:00
parent f4da1be1e1
commit 0762b00d86
3 changed files with 7 additions and 5 deletions
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3
sql/opt_range.cc
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@ -1285,7 +1285,8 @@ and_all_keys(SEL_ARG *key1,SEL_ARG *key2,uint clone_flag)
}
if (key1->type == SEL_ARG::MAYBE_KEY)
{
key1->left= &null_element; key1->next=0;
key1->right= key1->left= &null_element;
key1->next= key1->prev= 0;
}
for (next=key1->first(); next ; next=next->next)
{