Merge pull request ClickHouse#79841 from ClickHouse/add-test-62816

Add a test for ClickHouse#62816

Author: nikitamikhaylov

tests/queries/0_stateless/03456_local_buffer.reference

@@ -0,0 +1,20 @@
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+\N
+\N
+\N
+\N
+\N
+\N
+\N
+\N
+\N
+\N

tests/queries/0_stateless/03456_local_buffer.sh

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+#!/usr/bin/env bash
+
+CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+# shellcheck source=../shell_config.sh
+. "$CURDIR"/../shell_config.sh
+
+$CLICKHOUSE_LOCAL "
+create table test (d Nullable(UInt64)) engine=Memory;
+create table test_buf  (d Nullable(UInt64)) engine=Buffer(default, test, 1, 10, 100, 10000, 1000000, 10000000, 100000000);
+insert into test_buf select number from numbers(10);
+insert into test_buf select NULL from numbers(10);
+select d from test_buf order by all;
+"