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-rw-r--r--sql/field.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/field.h b/sql/field.h
index f788d1c76ed..3451568a046 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -5662,7 +5662,7 @@ inline bool Row_definition_list::eq_name(const Spvar_definition *def,
class Create_field :public Column_definition
{
public:
- LEX_CSTRING change; // If done with alter table
+ LEX_CSTRING change; // Old column name if column is renamed by ALTER
LEX_CSTRING after; // Put column after this one
Field *field; // For alter table
const TYPELIB *save_interval; // Temporary copy for the above