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[Optimize][Set Operation Node] Reduce the memory expansion operation of the hash table in ExceptNode and IntersectNode (#6915)

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Reduce the memory expansion operation of the hash table in ExceptNode and IntersectNode
This commit is contained in:
HappenLee
2021-11-12 10:39:59 +08:00
committed by GitHub
parent 35da149ebe
commit 047b83b987
6 changed files with 68 additions and 52 deletions
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4
be/src/exec/set_operation_node.cpp
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@ -27,7 +27,7 @@
namespace doris {
SetOperationNode::SetOperationNode(ObjectPool* pool, const TPlanNode& tnode,
const DescriptorTbl& descs, int tuple_id)
: ExecNode(pool, tnode, descs), _tuple_id(tuple_id), _tuple_desc(nullptr) {}
: ExecNode(pool, tnode, descs), _tuple_id(tuple_id), _tuple_desc(nullptr), _valid_element_in_hash_tbl(0) {}
Status SetOperationNode::init(const TPlanNode& tnode, RuntimeState* state) {
RETURN_IF_ERROR(ExecNode::init(tnode, state));
@ -163,6 +163,8 @@ Status SetOperationNode::open(RuntimeState* state) {
VLOG_ROW << "hash table content: " << _hash_tbl->debug_string(true, &child(0)->row_desc());
build_batch.reset();
}
return Status::OK();
}
} // namespace doris