yiguolei commented on code in PR #31487:
URL: https://github.com/apache/doris/pull/31487#discussion_r1505738240
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be/src/pipeline/pipeline_x/dependency.h:
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@@ -118,21 +120,21 @@ class Dependency : public
std::enable_shared_from_this<Dependency> {
void set_ready();
void set_ready_to_read() {
DCHECK(_is_write_dependency) << debug_string();
- DCHECK(_shared_state->source_dep != nullptr) << debug_string();
- _shared_state->source_dep->set_ready();
+ DCHECK(_shared_state->source_deps.size() == 1) << debug_string();
+ _shared_state->source_deps.front()->set_ready();
Review Comment:
为啥这里是front？
另外，为啥shared state 的source deps 是一个vector，而不是就一个？而会有多个
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