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[FEAT MERGE]adaptive cost model

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zzg19950727
2023-12-06 03:12:01 +00:00
committed by ob-robot
parent 6520c7b570
commit d70d986be9
85 changed files with 21899 additions and 18832 deletions
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src/sql/optimizer/ob_log_optimizer_stats_gathering.cpp
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@ -113,7 +113,7 @@ int ObLogOptimizerStatsGathering::est_cost()
if (osg_type_ != OSG_TYPE::MERGE_OSG) {
//for normal_osg and merge_osg calc the calc_stats cost;
//TODO: use a more accurate model.
op_cost_ += ObOptEstCost::cost_get_rows(child->get_card() / parallel, opt_ctx.get_cost_model_type());
op_cost_ += ObOptEstCost::cost_get_rows(child->get_card() / parallel, opt_ctx);
}
set_cost(op_cost_ + child->get_cost());
set_card(child->get_card());