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MDEV-19266: Crash in EITS code when enabling 128 indexes

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Do not attempt to set param->table->with_impossible_ranges if the
range optimizer is using pseudo-indexes (which is true when we are
computing EITS selectivity estimates or doing partition pruning).
This commit is contained in:
Sergei Petrunia
2019-04-18 18:56:14 +03:00
parent 7b216ceb90
commit 878ca5ca4f
1 changed files with 5 additions and 1 deletions
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6
sql/opt_range.cc
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@ -9044,7 +9044,11 @@ int and_range_trees(RANGE_OPT_PARAM *param, SEL_TREE *tree1, SEL_TREE *tree2,
if (key && key->type == SEL_ARG::IMPOSSIBLE) if (key && key->type == SEL_ARG::IMPOSSIBLE)
{ {
result->type= SEL_TREE::IMPOSSIBLE; result->type= SEL_TREE::IMPOSSIBLE;
param->table->with_impossible_ranges.set_bit(param->real_keynr[key_no]); if (param->using_real_indexes)
{
param->table->with_impossible_ranges.set_bit(param->
real_keynr[key_no]);
}
DBUG_RETURN(1); DBUG_RETURN(1);
} }
result_keys.set_bit(key_no); result_keys.set_bit(key_no);