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Fix for bug #24261 "crash when WHERE contains NOT IN ('<negative value>') for unsigned column type"

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When calculating a SEL_TREE for the "c_{i-1} < X < c_i" interval, check if the tree returned for the "-inf < X < c_0" interval is NULL
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kaa@polly.local
2006-11-27 19:12:10 +03:00
parent 8471897fbc
commit 32d1ad79b0
3 changed files with 13 additions and 1 deletions
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3
sql/opt_range.cc
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@ -3703,7 +3703,8 @@ static SEL_TREE *get_func_mm_tree(PARAM *param, Item_func *cond_func,
for (uint idx= 0; idx < param->keys; idx++)
{
SEL_ARG *new_interval, *last_val;
if (((new_interval= tree2->keys[idx])) &&
if (((new_interval= tree2->keys[idx])) &&
(tree->keys[idx]) &&
((last_val= tree->keys[idx]->last())))
{
new_interval->min_value= last_val->max_value;