[incubator-doris] 07/13: [fix] min function of not null varchar column get error result (#8479)

[morningman]

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morningman pushed a commit to branch dev-1.0.1
in repository https://gitbox.apache.org/repos/asf/incubator-doris.git

commit 80f54994234bc751e21e2121f312df4fce450ba8
Author: HappenLee <happen...@hotmail.com>
AuthorDate: Wed Mar 16 11:38:55 2022 +0800

    [fix] min function of not null varchar column get error result (#8479)
---
 be/src/exprs/anyval_util.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/be/src/exprs/anyval_util.h b/be/src/exprs/anyval_util.h
index 6e729e8..f287477 100644
--- a/be/src/exprs/anyval_util.h
+++ b/be/src/exprs/anyval_util.h
@@ -193,6 +193,7 @@ public:
             StringVal max_val;
             max_val.ptr = ctx->allocate(sv.len);
             memcpy(max_val.ptr, sv.ptr, sv.len);
+            max_val.len = sv.len;
 
             return max_val;
         } else if constexpr (std::is_same_v<Val, DateTimeVal>) {

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