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adjust allocate window function operator, enhance pq_distribute_window hint

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This commit is contained in:
chimyue
2023-07-19 03:12:22 +00:00
committed by ob-robot
parent 9a244755cd
commit 32636e05c4
20 changed files with 2204 additions and 1204 deletions
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32
src/sql/optimizer/ob_optimizer_util.cpp
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@ -900,6 +900,26 @@ bool ObOptimizerUtil::same_exprs(const common::ObIArray<ObRawExpr*> &src_exprs,
return ret;
}
int ObOptimizerUtil::intersect_exprs(const ObIArray<ObRawExpr *> &first,
const ObIArray<ObRawExpr *> &right,
const EqualSets &equal_sets,
ObIArray<ObRawExpr *> &result)
{
int ret = OB_SUCCESS;
ObSEArray<ObRawExpr *, 4> tmp;
for (int64_t i = 0; OB_SUCC(ret) && i < first.count(); ++i) {
if (!find_equal_expr(right, first.at(i), equal_sets)) {
// do nothing
} else if (OB_FAIL(tmp.push_back(first.at(i)))) {
LOG_WARN("failed to push back first expr", K(ret));
}
}
if (OB_SUCC(ret) && OB_FAIL(result.assign(tmp))) {
LOG_WARN("failed to assign expr array", K(ret));
}
return ret;
}
int ObOptimizerUtil::intersect_exprs(const ObIArray<ObRawExpr *> &first,
const ObIArray<ObRawExpr *> &right,
ObIArray<ObRawExpr *> &result)
@ -3603,7 +3623,8 @@ int ObOptimizerUtil::check_need_sort(const ObIArray<OrderItem> &expected_order_i
const bool is_at_most_one_row,
bool &need_sort,
int64_t &prefix_pos,
const int64_t part_cnt)
const int64_t part_cnt,
const bool check_part_only/* default false */)
{
int ret = OB_SUCCESS;
ObSEArray<ObRawExpr*, 6> expected_order_exprs;
@ -3622,7 +3643,8 @@ int ObOptimizerUtil::check_need_sort(const ObIArray<OrderItem> &expected_order_i
is_at_most_one_row,
need_sort,
prefix_pos,
part_cnt))) {
part_cnt,
check_part_only))) {
LOG_WARN("failed to check need sort", K(ret));
} else { /*do nothing*/ }
return ret;
@ -3638,11 +3660,13 @@ int ObOptimizerUtil::check_need_sort(const ObIArray<ObRawExpr*> &expected_order_
const bool is_at_most_one_row,
bool &need_sort,
int64_t &prefix_pos,
const int64_t part_cnt)
const int64_t part_cnt,
const bool check_part_only/* default false */)
{
int ret = OB_SUCCESS;
need_sort = true;
if (OB_FAIL(ObOptimizerUtil::check_need_sort(expected_order_exprs,
if (!check_part_only &&
OB_FAIL(ObOptimizerUtil::check_need_sort(expected_order_exprs,
expected_order_directions,
input_ordering,
fd_item_set,