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set the initial value of wrs to scn min

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obdev
2022-11-28 02:55:06 +00:00
committed by ob-robot
parent 99d4f56fec
commit 87a9357186
406 changed files with 6473 additions and 50308 deletions
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48
src/sql/optimizer/ob_select_log_plan.cpp
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@ -2218,10 +2218,6 @@ int ObSelectLogPlan::create_recursive_union_all_plan(ObLogicalOperator *left_chi
} else if (is_basic) {
if (DistAlgo::DIST_BASIC_METHOD & set_dist_methods) {
dist_set_method = DistAlgo::DIST_BASIC_METHOD;
if (right_child->is_local() &&
OB_FAIL(adjust_recursive_cte_plan(right_child->get_child_list()))) {
LOG_WARN("failed to adjust recursive cte plan", K(ret));
}
}
} else if (DistAlgo::DIST_PULL_TO_LOCAL & set_dist_methods) {
// pull to local
@ -2229,9 +2225,6 @@ int ObSelectLogPlan::create_recursive_union_all_plan(ObLogicalOperator *left_chi
if (left_child->is_sharding()) {
left_exch_info.dist_method_ = ObPQDistributeMethod::LOCAL;
}
if (OB_FAIL(adjust_recursive_cte_plan(right_child->get_child_list()))) {
LOG_WARN("failed to adjust recurisve cte plan", K(ret));
} else { /*do nothing*/ }
}
if (OB_SUCC(ret) && DistAlgo::DIST_INVALID_METHOD != dist_set_method) {
if (OB_FAIL(ObOptimizerUtil::check_need_sort(order_items,
@ -2257,43 +2250,6 @@ int ObSelectLogPlan::create_recursive_union_all_plan(ObLogicalOperator *left_chi
return ret;
}
int ObSelectLogPlan::adjust_recursive_cte_plan(ObIArray<ObLogicalOperator*> &child_ops)
{
int ret = OB_SUCCESS;
ObLogPlan *log_plan = NULL;
ObExchangeInfo exch_info;
int64_t fake_cte_pos = -1;
for (int64_t i = 0; OB_SUCC(ret) && fake_cte_pos == -1 && i < child_ops.count(); i++) {
if (OB_ISNULL(child_ops.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (child_ops.at(i)->get_contains_fake_cte()) {
fake_cte_pos = i;
} else { /*do nothing*/ }
}
if (OB_SUCC(ret) && fake_cte_pos != -1) {
for (int64_t i = 0; OB_SUCC(ret) && i < child_ops.count(); i++) {
if (OB_ISNULL(child_ops.at(i)) || OB_ISNULL(log_plan = child_ops.at(i)->get_plan())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (i == fake_cte_pos) {
if (OB_FAIL(SMART_CALL(adjust_recursive_cte_plan(child_ops.at(i)->get_child_list())))) {
LOG_WARN("failed to adjust recursive cte plan", K(ret));
} else { /*do nothing*/ }
} else if (child_ops.at(i)->is_sharding() &&
OB_FAIL(log_plan->allocate_exchange_as_top(child_ops.at(i),
exch_info))) {
LOG_WARN("failed to allocate exchange", K(ret));
} else if (log_op_def::LOG_MATERIAL != child_ops.at(i)->get_type() &&
log_op_def::LOG_TABLE_SCAN != child_ops.at(i)->get_type() &&
OB_FAIL(log_plan->allocate_material_as_top(child_ops.at(i)))) {
LOG_WARN("failed to allocate materialize as top", K(ret));
} else { /*do nothing*/ }
}
}
return ret;
}
int ObSelectLogPlan::allocate_recursive_union_all_as_top(ObLogicalOperator *left_child,
ObLogicalOperator *right_child,
DistAlgo dist_set_method,
@ -4851,9 +4807,11 @@ int ObSelectLogPlan::get_late_materialization_operator(ObLogicalOperator *top,
LOG_WARN("get unexpected null", K(ret));
} else if (log_op_def::LOG_TABLE_SCAN != child_scan->get_type()) {
/*do nothing*/
} else if (OB_FALSE_IT(table_scan = static_cast<ObLogTableScan *>(child_scan))) {
} else if (NULL != table_scan->get_limit_expr() || NULL != table_scan->get_offset_expr()) {
table_scan = NULL;
} else {
sort_op = static_cast<ObLogSort *>(child_sort);
table_scan = static_cast<ObLogTableScan *>(child_scan);
}
return ret;
}