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[FEAT MERGE] optimizer statistics gather enhance

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Co-authored-by: Larry955 <1412857955@qq.com>
Co-authored-by: wangt1xiuyi <13547954130@163.com>
This commit is contained in:
obdev
2023-04-28 13:11:58 +00:00
committed by ob-robot
parent 35c1be5aa1
commit 642f1c7d84
130 changed files with 8572 additions and 1563 deletions
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69
src/share/stat/ob_stat_define.cpp
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@ -74,6 +74,75 @@ int StatTable::assign(const StatTable &other)
return no_regather_partition_ids_.assign(other.no_regather_partition_ids_);
}
int ObGatherTableStatsHelper::get_duration_time(sql::ParamStore &params)
{
int ret = OB_SUCCESS;
duration_time_ = -1;
number::ObNumber num_duration;
if (OB_UNLIKELY(params.empty() || params.at(0).is_null())) {
// do nothing
} else if (lib::is_oracle_mode()) {
if (OB_FAIL(params.at(0).get_number(num_duration))) {
LOG_WARN("failed to get duration", K(ret), K(params.at(0)));
} else if (OB_FAIL(num_duration.extract_valid_int64_with_trunc(duration_time_))) {
LOG_WARN("extract_valid_int64_with_trunc failed", K(ret), K(num_duration));
}
} else if (OB_FAIL(params.at(0).get_int(duration_time_))) {
LOG_WARN("failed to get duration", K(ret), K(params.at(0)));
}
return ret;
}
/**
* @brief
* The order to gather tables
* 1. gather user tables
* if table is a 'big table', make it at last
* if table is first time to gather, then gather it at first
* else, gather them according to the last gather duration
* 2. gather sys tables
* so as to user tables
* @param other
* @return true
* @return false
*/
bool ObStatTableWrapper::operator<(const ObStatTableWrapper &other) const
{
bool bret = true;
if (this == &other) {
bret = false;
} else if (table_type_ == ObStatTableType::ObSysTable && other.table_type_ == ObStatTableType::ObUserTable) {
bret = false;
} else if ((table_type_ == ObStatTableType::ObUserTable && other.table_type_ == ObStatTableType::ObUserTable) ||
(table_type_ == ObStatTableType::ObSysTable && other.table_type_ == ObStatTableType::ObSysTable)) {
if (is_big_table_ && !other.is_big_table_) {
bret = false;
} else if ((is_big_table_ && other.is_big_table_) ||
(!is_big_table_ && !other.is_big_table_)) {
if (stat_type_ == other.stat_type_) {
bret = last_gather_duration_ < other.last_gather_duration_;
} else if (stat_type_ == ObStatType::ObStale && other.stat_type_ == ObStatType::ObFirstTimeToGather) {
bret = false;
}
}
}
return bret;
}
int ObStatTableWrapper::assign(const ObStatTableWrapper &other)
{
int ret = OB_SUCCESS;
if (OB_FAIL(stat_table_.assign(other.stat_table_))) {
LOG_WARN("failed to assign stat table");
} else {
table_type_ = other.table_type_;
stat_type_ = other.stat_type_;
is_big_table_ = other.is_big_table_;
last_gather_duration_ = other.last_gather_duration_;
}
return ret;
}
int ObTableStatParam::assign(const ObTableStatParam &other)
{
int ret = OB_SUCCESS;