kangkaisen commented on a change in pull request #3436:
URL: https://github.com/apache/incubator-doris/pull/3436#discussion_r417377285
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File path: be/src/exec/assert_num_rows_node.cpp
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@@ -45,6 +45,7 @@ Status AssertNumRowsNode::prepare(RuntimeState* state) {
Status AssertNumRowsNode::open(RuntimeState* state) {
SCOPED_TIMER(_runtime_profile->total_time_counter());
RETURN_IF_ERROR(ExecNode::open(state));
+ RETURN_IF_ERROR(child(0)->open(state));
Review comment:
Would better add a comment or this issue link to let other people know
why and when to call child(0)->open method. Thanks.
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