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adjust the online gather stats to use murmur hash algorithm

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This commit is contained in:
wangt1xiuyi 2024-06-17 10:29:59 +00:00 committed by ob-robot
parent 4407bf5d7d
commit c233e93904
1 changed files with 3 additions and 7 deletions
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10
src/share/stat/ob_opt_osg_column_stat.cpp
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@ -190,18 +190,14 @@ int ObOptOSGColumnStat::update_column_stat_info(const ObDatum *datum,
ObObj tmp_obj;
if (OB_FAIL(datum->to_obj(tmp_obj, meta))) {
LOG_WARN("failed to to obj");
} else if (tmp_obj.is_string_type()) {
hash_value = tmp_obj.varchar_hash(tmp_obj.get_collation_type(), hash_value);
} else if (OB_FAIL(tmp_obj.hash(hash_value, hash_value))) {
} else if (OB_FAIL(tmp_obj.hash_murmur(hash_value, hash_value))) {
LOG_WARN("fail to do hash", K(ret), K(tmp_obj));
}
if (OB_FAIL(ret)) {
} else if (OB_UNLIKELY(col_stat_->get_llc_bitmap() == NULL || col_stat_->get_llc_bitmap_size() == 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("get invalid llc_bitmap", K(ret));
} else if (OB_FAIL(ObAggregateProcessor::llc_add_value(hash_value,
col_stat_->get_llc_bitmap(),
col_stat_->get_llc_bitmap_size()))) {
col_stat_->get_llc_bitmap(),
col_stat_->get_llc_bitmap_size()))) {
LOG_WARN("fail to calc llc", K(ret));
} else if (OB_FAIL(inner_merge_min(*datum, meta, cmp_func))) {
LOG_WARN("failed to inner merge min val");