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[FEAT MERGE] support auto dop

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This commit is contained in:
obdev
2023-04-28 15:11:52 +00:00
committed by ob-robot
parent 642f1c7d84
commit b41dc0ebdd
106 changed files with 3815 additions and 2844 deletions
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20
src/sql/optimizer/ob_log_material.cpp
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@ -46,10 +46,10 @@ int ObLogMaterial::est_cost()
return ret;
}
int ObLogMaterial::re_est_cost(EstimateCostInfo &param, double &card, double &cost)
int ObLogMaterial::do_re_est_cost(EstimateCostInfo &param, double &card, double &op_cost, double &cost)
{
int ret = OB_SUCCESS;
int64_t parallel = 0;
const int64_t parallel = param.need_parallel_;
double child_card = 0.0;
double child_cost = 0.0;
ObLogicalOperator *child = get_child(ObLogicalOperator::first_child);
@ -57,25 +57,19 @@ int ObLogMaterial::re_est_cost(EstimateCostInfo &param, double &card, double &co
OB_ISNULL(child)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_UNLIKELY((parallel = get_parallel()) < 1)) {
} else if (OB_UNLIKELY(parallel < 1)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected parallel degree", K(parallel), K(ret));
} else if (OB_FALSE_IT(param.need_row_count_ = child->get_card())) {
} else if (OB_FALSE_IT(param.need_row_count_ = -1)) {
} else if (OB_FAIL(SMART_CALL(child->re_est_cost(param, child_card, child_cost)))) {
LOG_WARN("failed to re est cost", K(ret));
} else {
double op_cost = 0.0;
ObOptimizerContext &opt_ctx = get_plan()->get_optimizer_context();
op_cost += ObOptEstCost::cost_material(child_card / parallel,
child->get_width(),
opt_ctx.get_cost_model_type());
op_cost = ObOptEstCost::cost_material(child_card / parallel,
child->get_width(),
opt_ctx.get_cost_model_type());
cost = child_cost + op_cost;
card = child_card;
if (param.override_) {
set_op_cost(op_cost);
set_cost(cost);
set_card(card);
}
}
return ret;
}