From dd8d748c55fd6a4e95f7e692f8958a66dfdd9c18 Mon Sep 17 00:00:00 2001
From: wyb <wybb86@gmail.com>
Date: Sat, 21 Mar 2020 09:52:49 +0800
Subject: [PATCH] Remove deep copy when doing hash table EvalRow (#3171)

remove varchar column deep copy in partitioned hash table EvalRow function
---
 be/src/exec/partitioned_hash_table.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/be/src/exec/partitioned_hash_table.cc b/be/src/exec/partitioned_hash_table.cc
index 9c5075421f..95989516f0 100644
--- a/be/src/exec/partitioned_hash_table.cc
+++ b/be/src/exec/partitioned_hash_table.cc
@@ -235,7 +235,7 @@ bool PartitionedHashTableCtx::EvalRow(TupleRow* row, const vector<ExprContext*>&
       expr_values_null[i] = false;
       DCHECK_LE(build_exprs_[i]->type().get_slot_size(),
           sizeof(NULL_VALUE));
-      RawValue::write(val, loc, build_exprs_[i]->type(), expr_results_pool_);
+      RawValue::write(val, loc, build_exprs_[i]->type(), nullptr);
     }
   }
   return has_null;