[GitHub] [incubator-doris] morningman commented on a diff in pull request #8925: [fix][mem tracker] Fix MemTracker null pointer in vectorized

[GitBox <gi...@apache.org>]

morningman commented on code in PR #8925:
URL: https://github.com/apache/incubator-doris/pull/8925#discussion_r846249038


##########
be/src/vec/sink/vtablet_sink.cpp:
##########
@@ -43,10 +43,11 @@ Status VOlapTableSink::init(const TDataSink& sink) {
 }
 
 Status VOlapTableSink::prepare(RuntimeState* state) {
+    RETURN_IF_ERROR(OlapTableSink::prepare(state));
     // Prepare the exprs to run.
     RETURN_IF_ERROR(vectorized::VExpr::prepare(_output_vexpr_ctxs, state, _input_row_desc,
                                                _expr_mem_tracker));
-    return OlapTableSink::prepare(state);
+    return Status::OK();

Review Comment:
   Why no need to call `OlapTableSink::prepare(state);`?



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