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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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37
src/sql/engine/cmd/ob_analyze_executor.cpp
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@ -17,6 +17,8 @@
#include "sql/engine/cmd/ob_analyze_executor.h"
#include "sql/engine/ob_exec_context.h"
#include "share/stat/ob_dbms_stats_lock_unlock.h"
#include "share/stat/ob_dbms_stats_utils.h"
#include "share/stat/ob_opt_stat_manager.h"
//#define COMPUTE_FREQUENCY_HISTOGRAM
// "SELECT /*+NO_USE_PX*/ col, sum(val) over (order by col rows between unbounded preceding and current row) "
@ -59,14 +61,35 @@ int ObAnalyzeExecutor::execute(ObExecContext &ctx, ObAnalyzeStmt &stmt)
} else if (OB_FAIL(stmt.fill_table_stat_param(ctx, param))) {
LOG_WARN("failed to fill table stat param", K(ret));
} else if (!stmt.is_delete_histogram()) {
if (OB_FAIL(ObDbmsStatsLockUnlock::check_stat_locked(ctx, param))) {
LOG_WARN("failed check stat locked", K(ret));
} else if (OB_FAIL(ObDbmsStatsExecutor::gather_table_stats(ctx, param))) {
LOG_WARN("failed to gather table stats", K(ret));
} else if (OB_FAIL(pl::ObDbmsStats::update_stat_cache(session->get_rpc_tenant_id(), param))) {
LOG_WARN("failed to update stat cache", K(ret));
int64_t task_cnt = 1;
int64_t seq_id = 1;
int64_t start_time = ObTimeUtility::current_time();
ObOptStatTaskInfo task_info;
if (OB_FAIL(pl::ObDbmsStats::init_gather_task_info(ctx, ObOptStatGatherType::MANUAL_GATHER,
start_time, task_cnt, task_info))) {
LOG_WARN("failed to init gather task info", K(ret));
} else {
LOG_TRACE("succeed to gather table stats", K(param));
ObOptStatGatherStat gather_stat(task_info);
ObOptStatGatherStatList::instance().push(gather_stat);
ObOptStatRunningMonitor running_monitor(ctx.get_allocator(), start_time, param.allocator_->total(), gather_stat);
if (OB_FAIL(running_monitor.add_table_info(param))) {
LOG_WARN("failed to add table info", K(ret));
} else if (OB_FAIL(ObDbmsStatsLockUnlock::check_stat_locked(ctx, param))) {
LOG_WARN("failed check stat locked", K(ret));
} else if (OB_FAIL(ObDbmsStatsExecutor::gather_table_stats(ctx, param))) {
LOG_WARN("failed to gather table stats", K(ret));
} else if (OB_FAIL(pl::ObDbmsStats::update_stat_cache(session->get_rpc_tenant_id(), param))) {
LOG_WARN("failed to update stat cache", K(ret));
} else {
LOG_TRACE("succeed to gather table stats", K(param));
}
running_monitor.set_monitor_result(ret, ObTimeUtility::current_time(), param.allocator_->used());
ObOptStatGatherStatList::instance().remove(gather_stat);
task_info.task_end_time_ = ObTimeUtility::current_time();
task_info.ret_code_ = ret;
task_info.failed_count_ = ret == OB_SUCCESS ? 0 : 1;
ObOptStatManager::get_instance().update_opt_stat_task_stat(task_info);
ObOptStatManager::get_instance().update_opt_stat_gather_stat(gather_stat);
}
} else {
if (OB_FAIL(ObDbmsStatsExecutor::delete_table_stats(ctx, param, true))) {