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-rw-r--r--sql/handler.cc6
-rw-r--r--sql/share/errmsg-utf8.txt3
2 files changed, 9 insertions, 0 deletions
diff --git a/sql/handler.cc b/sql/handler.cc
index bb52f6bb211..0193646984e 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -7047,6 +7047,12 @@ bool Vers_parse_info::check_and_fix_alter(THD *thd, Alter_info *alter_info,
if (!need_check() && !share->versioned)
return false;
+ if (with_system_versioning && table->versioned())
+ {
+ my_error(ER_VERS_ALREADY_VERSIONED, MYF(0), table_name);
+ return true;
+ }
+
if (without_system_versioning)
{
if (!share->versioned)
diff --git a/sql/share/errmsg-utf8.txt b/sql/share/errmsg-utf8.txt
index e12f6cb258b..cb4cb84781d 100644
--- a/sql/share/errmsg-utf8.txt
+++ b/sql/share/errmsg-utf8.txt
@@ -7925,3 +7925,6 @@ ER_VERS_TRT_IS_DISABLED
ER_VERS_DUPLICATE_ROW_START_END
eng "Duplicate ROW %s column %`s"
+
+ER_VERS_ALREADY_VERSIONED
+ eng "Table %`s is already system-versioned table"