diff options
Diffstat (limited to 'src/mongo/db/query/optimizer/node.cpp')
| -rw-r--r-- | src/mongo/db/query/optimizer/node.cpp | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/src/mongo/db/query/optimizer/node.cpp b/src/mongo/db/query/optimizer/node.cpp index f2b0973ba58..c52d55c1be9 100644 --- a/src/mongo/db/query/optimizer/node.cpp +++ b/src/mongo/db/query/optimizer/node.cpp @@ -41,33 +41,31 @@ Node::Node(Context& ctx, NodePtr child) : _nodeId(ctx.getNextNodeId()) { Node::Node(Context& ctx, std::vector<NodePtr> children) : _nodeId(ctx.getNextNodeId()), _children(std::move(children)) {} -void Node::generateMemoBase(std::ostringstream& os) { +void Node::generateMemoBase(std::ostringstream& os) const { os << "NodeId: " << _nodeId << "\n"; } std::string Node::generateMemo() { - std::ostringstream os; - class MemoVisitor: public AbstractVisitor { protected: - void visit(ScanNode& node) override { - node.generateMemoInternal(os); + void visit(const ScanNode& node) override { + node.generateScanMemo(os); } - void visit(MultiJoinNode& node) override { - node.generateMemoInternal(os); + void visit(const MultiJoinNode& node) override { + node.generateMultiJoinMemo(os); } - void visit(UnionNode& node) override { - node.generateMemoInternal(os); + void visit(const UnionNode& node) override { + node.generateUnionMemo(os); } - void visit(GroupByNode& node) override { - node.generateMemoInternal(os); + void visit(const GroupByNode& node) override { + node.generateGroupByMemo(os); } - void visit(UnwindNode& node) override { - node.generateMemoInternal(os); + void visit(const UnwindNode& node) override { + node.generateUnwindMemo(os); } - void visit(WindNode& node) override { - node.generateMemoInternal(os); + void visit(const WindNode& node) override { + node.generateWindMemo(os); } public: std::ostringstream os; @@ -92,7 +90,7 @@ NodePtr ScanNode::create(Context& ctx, CollectionNameType collectionName) { ScanNode::ScanNode(Context& ctx, CollectionNameType collectionName) : Node(ctx), _collectionName(std::move(collectionName)) {} -void ScanNode::generateMemoInternal(std::ostringstream& os) { +void ScanNode::generateScanMemo(std::ostringstream& os) const { Node::generateMemoBase(os); os << "Scan" << "\n"; } @@ -117,7 +115,7 @@ MultiJoinNode::MultiJoinNode(Context& ctx, _filterSet(std::move(filterSet)), _projectionMap(std::move(projectionMap)) {} -void MultiJoinNode::generateMemoInternal(std::ostringstream& os) { +void MultiJoinNode::generateMultiJoinMemo(std::ostringstream& os) const { Node::generateMemoBase(os); os << "MultiJoin" << "\n"; } @@ -133,7 +131,7 @@ NodePtr UnionNode::create(Context& ctx, std::vector<NodePtr> children) { UnionNode::UnionNode(Context& ctx, std::vector<NodePtr> children) : Node(ctx, std::move(children)) {} -void UnionNode::generateMemoInternal(std::ostringstream& os) { +void UnionNode::generateUnionMemo(std::ostringstream& os) const { Node::generateMemoBase(os); os << "Union" << "\n"; } @@ -158,7 +156,7 @@ GroupByNode::GroupByNode(Context& ctx, _groupByVector(std::move(groupByVector)), _projectionMap(std::move(projectionMap)) {} -void GroupByNode::generateMemoInternal(std::ostringstream& os) { +void GroupByNode::generateGroupByMemo(std::ostringstream& os) const { Node::generateMemoBase(os); os << "GroupBy" << "\n"; } @@ -183,7 +181,7 @@ UnwindNode::UnwindNode(Context& ctx, _projectionName(std::move(projectionName)), _retainNonArrays(retainNonArrays) {} -void UnwindNode::generateMemoInternal(std::ostringstream& os) { +void UnwindNode::generateUnwindMemo(std::ostringstream& os) const { Node::generateMemoBase(os); os << "Unwind" << "\n"; } @@ -199,7 +197,7 @@ NodePtr WindNode::create(Context& ctx, ProjectionName projectionName, NodePtr ch WindNode::WindNode(Context& ctx, ProjectionName projectionName, NodePtr child) : Node(ctx, std::move(child)), _projectionName(std::move(projectionName)) {} -void WindNode::generateMemoInternal(std::ostringstream& os) { +void WindNode::generateWindMemo(std::ostringstream& os) const { Node::generateMemoBase(os); os << "Wind" << "\n"; } |