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update histogram buckets from pointer to ObArrayWrap

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This commit is contained in:
wangt1xiuyi
2023-02-10 11:11:04 +00:00
committed by ob-robot
parent 0a9101d215
commit ca1fcada83
23 changed files with 270 additions and 299 deletions
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19
src/share/stat/ob_dbms_stats_utils.cpp
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@ -89,29 +89,26 @@ int ObDbmsStatsUtils::init_col_stats(ObIAllocator &allocator,
* then it's even distributed, Otherwise, it's skewed.
*/
int ObDbmsStatsUtils::check_range_skew(ObHistType hist_type,
const ObHistBucket *bkts,
const int64_t bkt_size,
const ObHistogram::Buckets &bkts,
int64_t standard_cnt,
bool &is_even_distributed)
{
int ret = OB_SUCCESS;
is_even_distributed = false;
if (OB_ISNULL(bkts) || OB_UNLIKELY(bkt_size == 0)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected error", K(ret), K(bkts), K(bkt_size));
} else if (hist_type == ObHistType::FREQUENCY) {
if (hist_type == ObHistType::FREQUENCY) {
is_even_distributed = true;
for (int64_t i = 0; is_even_distributed && i < bkt_size; ++i) {
for (int64_t i = 0; is_even_distributed && i < bkts.count(); ++i) {
if (i == 0) {
is_even_distributed = standard_cnt == bkts[i].endpoint_num_;
is_even_distributed = standard_cnt == bkts.at(i).endpoint_num_;
} else {
is_even_distributed = standard_cnt == bkts[i].endpoint_num_ - bkts[i - 1].endpoint_num_;
is_even_distributed = standard_cnt == bkts.at(i).endpoint_num_ -
bkts.at(i - 1).endpoint_num_;
}
}
} else if (hist_type == ObHistType::HYBIRD) {
is_even_distributed = true;
for (int64_t i = 0; is_even_distributed && i < bkt_size; ++i) {
is_even_distributed = bkts[i].endpoint_repeat_count_ <= standard_cnt;
for (int64_t i = 0; is_even_distributed && i < bkts.count(); ++i) {
is_even_distributed = bkts.at(i).endpoint_repeat_count_ <= standard_cnt;
}
} else {/*do nothing*/}
return ret;