morningman commented on a change in pull request #3034: implements intersect
node
URL: https://github.com/apache/incubator-doris/pull/3034#discussion_r387647623
##########
File path: be/src/exec/intersect_node.cpp
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@@ -56,4 +43,177 @@ Status IntersectNode::init(const TPlanNode& tnode,
RuntimeState* state) {
}
return Status::OK();
}
-}
\ No newline at end of file
+
+Status IntersectNode::prepare(RuntimeState* state) {
+ RETURN_IF_ERROR(ExecNode::prepare(state));
+ _build_pool.reset(new MemPool(mem_tracker()));
+ SCOPED_TIMER(_runtime_profile->total_time_counter());
+ for (size_t i = 0; i < _child_expr_lists.size(); ++i) {
+ RETURN_IF_ERROR(Expr::prepare(_child_expr_lists[i], state,
child(i)->row_desc(),
+ expr_mem_tracker()));
+ }
+ // pre-computeselect k4 from t where k4 <4 the tuple index of build tuples
in the output row
Review comment:
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