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patch 4.0

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wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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87
src/sql/optimizer/ob_log_material.cpp
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@ -14,67 +14,68 @@
#include "ob_log_material.h"
#include "ob_log_operator_factory.h"
#include "sql/optimizer/ob_opt_est_cost.h"
#include "sql/optimizer/ob_join_order.h"
#include "common/ob_smart_call.h"
using namespace oceanbase::sql;
using namespace oceanbase::common;
using namespace oceanbase::sql::log_op_def;
int ObLogMaterial::allocate_exchange_post(AllocExchContext* ctx)
{
int ret = OB_SUCCESS;
ObLogicalOperator* child = NULL;
UNUSED(ctx);
if (OB_ISNULL(child = get_child(first_child))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_FAIL(sharding_info_.copy_with_part_keys(child->get_sharding_info()))) {
LOG_WARN("failed to copy sharding info from children", K(ret));
} else { /*do nothing*/
}
return ret;
}
int ObLogMaterial::allocate_exchange(AllocExchContext* ctx, ObExchangeInfo& exch_info)
{
int ret = OB_SUCCESS;
ObLogicalOperator* child = NULL;
if (OB_ISNULL(ctx) || OB_ISNULL(child = get_child(first_child))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret), K(ctx), K(get_child(first_child)));
} else if (OB_FAIL(child->allocate_exchange(ctx, exch_info))) {
LOG_WARN("failed to allocate exchange", K(ret));
} else { /*do nothing*/
}
return ret;
}
int ObLogMaterial::est_cost()
{
int ret = OB_SUCCESS;
ObLogicalOperator* child = get_child(ObLogicalOperator::first_child);
if (OB_ISNULL(child)) {
int64_t parallel = 0;
ObLogicalOperator *child = get_child(ObLogicalOperator::first_child);
if (OB_ISNULL(get_plan()) ||
OB_ISNULL(child)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("child is null", K(ret));
LOG_WARN("get unexpected null", K(ret));
} else if (OB_UNLIKELY((parallel = get_parallel()) < 1)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected parallel degree", K(parallel), K(ret));
} else {
double op_cost = ObOptEstCost::cost_material(child->get_card(), child->get_width());
set_cost(child->get_cost() + op_cost);
double op_cost = 0.0;
ObOptimizerContext &opt_ctx = get_plan()->get_optimizer_context();
op_cost += ObOptEstCost::cost_material(child->get_card() / parallel,
child->get_width(),
opt_ctx.get_cost_model_type());
set_op_cost(op_cost);
set_cost(child->get_cost() + op_cost);
set_card(child->get_card());
set_width(child->get_width());
}
return ret;
}
int ObLogMaterial::re_est_cost(const ObLogicalOperator* parent, double need_row_count, bool& re_est)
int ObLogMaterial::re_est_cost(EstimateCostInfo &param, double &card, double &cost)
{
int ret = OB_SUCCESS;
UNUSED(parent);
re_est = false;
if (need_row_count >= get_card()) {
/*do nothing*/
int64_t parallel = 0;
double child_card = 0.0;
double child_cost = 0.0;
ObLogicalOperator *child = get_child(ObLogicalOperator::first_child);
if (OB_ISNULL(get_plan()) ||
OB_ISNULL(child)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_UNLIKELY((parallel = get_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_FAIL(SMART_CALL(child->re_est_cost(param, child_card, child_cost)))) {
LOG_WARN("failed to re est cost", K(ret));
} else {
set_card(need_row_count);
re_est = true;
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());
cost = child_cost + op_cost;
card = child_card;
if (param.override_) {
set_op_cost(op_cost);
set_cost(cost);
set_card(card);
}
}
return ret;
}
}