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-rw-r--r--sql/sql_lex.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index adfa0c08959..b6dcb49ed08 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -1,5 +1,5 @@
/* Copyright (c) 2000, 2019, Oracle and/or its affiliates.
- Copyright (c) 2010, 2019, MariaDB Corporation.
+ Copyright (c) 2010, 2020, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -1015,7 +1015,7 @@ public:
int save_union_explain_part2(Explain_query *output);
unit_common_op common_op();
- bool explainable()
+ bool explainable() const
{
/*
EXPLAIN/ANALYZE unit, when: