HappenLee commented on code in PR #15031:
URL: https://github.com/apache/doris/pull/15031#discussion_r1049780940
##########
be/src/vec/exec/vunion_node.cpp:
##########
@@ -220,6 +221,21 @@ Status VUnionNode::get_next_const(RuntimeState* state,
Block* block) {
return Status::OK();
}
+//for pipeline operator
+Status VUnionNode::materialize_child_block(RuntimeState* state, int child_id,
+ vectorized::Block* input_block,
+ vectorized::Block* output_block) {
+ DCHECK_LT(child_id, _children.size());
+ DCHECK(!is_child_passthrough(child_id));
+ MutableBlock mblock = MutableBlock(
Review Comment:
rethink the mem reuse and try to merge the block to make sure output_block
have `batch_size`.
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