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[FEAT MERGE]优化器技改patch到432

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Co-authored-by: jingtaoye35 <1255153887@qq.com>
Co-authored-by: qingzhu521 <q15000557748@gmail.com>
Co-authored-by: akaError <lzg020616@163.com>
This commit is contained in:
zzg19950727
2024-06-18 02:23:55 +00:00
committed by ob-robot
parent 4d5b5ec653
commit b81b1efd98
117 changed files with 6600 additions and 948 deletions
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17
src/sql/optimizer/ob_log_set.cpp
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@ -910,4 +910,21 @@ int ObLogSet::get_card_without_filter(double &card)
}
}
return ret;
}
int ObLogSet::check_use_child_ordering(bool &used, int64_t &inherit_child_ordering_index)
{
int ret = OB_SUCCESS;
used = true;
inherit_child_ordering_index = first_child;
if (HASH_SET == get_algo()) {
inherit_child_ordering_index = -1;
used = false;
} else if (!is_set_distinct()) {
used = false;
}
if (is_recursive_union()) {
inherit_child_ordering_index = -1;
}
return ret;
}