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refine large size query range

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This commit is contained in:
zs0
2021-11-01 10:30:45 +08:00
committed by LINxiansheng
parent 766929ee4f
commit 9ff1baa323
27 changed files with 425 additions and 231 deletions
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21
src/sql/optimizer/ob_fd_item.cpp
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@ -425,20 +425,19 @@ int ObFdItemFactory::do_deduce_fd_item_set(const EqualSets& equal_sets, ObIArray
ObRawExprSet* parent_exprs_ptr = NULL;
if (OB_FAIL(ret) || 1 == const_parent_exprs.count()) {
/*do nothing*/
} else if (OB_FAIL(get_parent_exprs_ptr(const_parent_exprs.at(0), parent_exprs_ptr))) {
LOG_WARN("failed to get parent exprs ptr", K(ret));
} else if (OB_FAIL(fd_item->get_parent_exprs()->assign(*parent_exprs_ptr))) {
LOG_WARN("failed to assign expr set", K(ret));
} else {
for (int64_t j = 1; OB_SUCC(ret) && j < const_parent_exprs.count(); j++) {
for (int64_t j = 0; OB_SUCC(ret) && j < const_parent_exprs.count(); j++) {
if (OB_FAIL(get_parent_exprs_ptr(const_parent_exprs.at(j), parent_exprs_ptr))) {
LOG_WARN("failed to get parent exprs ptr", K(ret));
} else if (OB_FAIL(copy_fd_item(new_fd_item, *fd_item))) {
LOG_WARN("failed to copy fd item", K(ret));
} else if (OB_FAIL(new_fd_item->get_parent_exprs()->assign(*parent_exprs_ptr))) {
LOG_WARN("failed to assign expr set", K(ret));
} else if (0 == j) {
new_fd_item->set_parent_exprs(parent_exprs_ptr);
fd_item_set.at(i) = new_fd_item;
} else if (new_fd_items.push_back(new_fd_item)) {
LOG_WARN("failed to push back fd item", K(ret));
} else {
new_fd_item->set_parent_exprs(parent_exprs_ptr);
}
}
}
@ -448,10 +447,14 @@ int ObFdItemFactory::do_deduce_fd_item_set(const EqualSets& equal_sets, ObIArray
}
} else if (final_deduce && !const_parent_exprs.empty()) {
ObRawExprSet* parent_exprs_ptr = NULL;
ObFdItem *new_fd_item = NULL;
if (OB_FAIL(get_parent_exprs_ptr(other_parent_exprs, parent_exprs_ptr))) {
LOG_WARN("failed to get parent exprs ptr", K(ret));
} else if (OB_FAIL(fd_item->get_parent_exprs()->assign(*parent_exprs_ptr))) {
LOG_WARN("failed to assign expr set", K(ret));
} else if (OB_FAIL(copy_fd_item(new_fd_item, *fd_item))) {
LOG_WARN("failed to copy fd item", K(ret));
} else {
new_fd_item->set_parent_exprs(parent_exprs_ptr);
fd_item_set.at(i) = new_fd_item;
}
} else { /*do nothing*/
}