From cb9bb2e8a07a2e7ab25f74d5f0bdcd0754857f27 Mon Sep 17 00:00:00 2001
From: cambyzju <zhuxiaoli01@baidu.com>
Date: Tue, 17 Jan 2023 23:08:59 +0800
Subject: [PATCH] bugfix for struct select

---
 be/src/vec/columns/column_struct.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/be/src/vec/columns/column_struct.h b/be/src/vec/columns/column_struct.h
index 393b2c275f74c0..627a6736f2e614 100644
--- a/be/src/vec/columns/column_struct.h
+++ b/be/src/vec/columns/column_struct.h
@@ -216,6 +216,12 @@ class ColumnStruct final : public COWHelper<IColumn, ColumnStruct> {
     const ColumnPtr& get_column_ptr(size_t idx) const { return columns[idx]; }
     ColumnPtr& get_column_ptr(size_t idx) { return columns[idx]; }
 
+    void clear() override {
+        for (auto col : columns) {
+            col->clear();
+        }
+    }
+
 private:
     int compare_at_impl(size_t n, size_t m, const IColumn& rhs, int nan_direction_hint) const;