MDEV-14769 Temporary table can be altered into system versioning +...

MDEV-14769 Temporary table can be altered into system versioning + system_versioning_alter_history has no effect

mysql-test/suite/versioning/r/alter.result

@@ -429,9 +429,11 @@ alter table t1 engine=myisam;
 # MDEV-14692 crash in MDL_context::upgrade_shared_lock()
 create or replace temporary table t (a int);
 alter table t change column if exists b c bigint unsigned generated always as row start;
-ERROR HY000: This is not yet supported for generated columns
+ERROR HY000: System versioning prohibited for TEMPORARY tables
 alter table t change column if exists b c bigint unsigned generated always as row end;
-ERROR HY000: This is not yet supported for generated columns
+ERROR HY000: System versioning prohibited for TEMPORARY tables
+alter table t add system versioning;
+ERROR HY000: System versioning prohibited for TEMPORARY tables
 drop table t;
 # MDEV-14744 trx_id-based and transaction-based mixup in assertion
 create or replace table t (c text) engine=innodb with system versioning;

mysql-test/suite/versioning/r/create.result

@@ -348,7 +348,7 @@ create or replace table t (sys_trx_end int);
 alter table t with system versioning;
 ERROR 42S21: Duplicate column name 'sys_trx_end'
 create or replace temporary table t (x28 int) with system versioning;
-ERROR HY000: WITH SYSTEM VERSIONING prohibited for TEMPORARY tables
+ERROR HY000: System versioning prohibited for TEMPORARY tables
 create or replace table t1 (
 x29 int unsigned,
 Sys_start0 timestamp(6) as row start invisible,

mysql-test/suite/versioning/t/alter.test

@@ -364,10 +364,12 @@ alter table t1 engine=myisam;
 
 --echo # MDEV-14692 crash in MDL_context::upgrade_shared_lock()
 create or replace temporary table t (a int);
---error ER_UNSUPPORTED_ACTION_ON_GENERATED_COLUMN
+--error ER_VERS_TEMPORARY
 alter table t change column if exists b c bigint unsigned generated always as row start;
---error ER_UNSUPPORTED_ACTION_ON_GENERATED_COLUMN
+--error ER_VERS_TEMPORARY
 alter table t change column if exists b c bigint unsigned generated always as row end;
+--error ER_VERS_TEMPORARY
+alter table t add system versioning;
 drop table t;
 
 --echo # MDEV-14744 trx_id-based and transaction-based mixup in assertion

sql/handler.cc

@@ -7177,6 +7177,12 @@ bool Vers_parse_info::fix_alter_info(THD *thd, Alter_info *alter_info,
   if (!need_check(alter_info) && !share->versioned)
     return false;
 
+  if (!thd->variables.vers_force && share->tmp_table && share->tmp_table != INTERNAL_TMP_TABLE)
+  {
+    my_error(ER_VERS_TEMPORARY, MYF(0));
+    return true;
+  }
+
   if (alter_info->flags & Alter_info::ALTER_ADD_SYSTEM_VERSIONING && table->versioned())
   {
     my_error(ER_VERS_ALREADY_VERSIONED, MYF(0), table_name);

sql/share/errmsg-utf8.txt

@@ -7931,7 +7931,7 @@ ER_VERS_TRUNCATE_VIEW
         eng "DELETE HISTORY from VIEW is prohibited"
 
 ER_VERS_TEMPORARY
-	eng "%s prohibited for TEMPORARY tables"
+	eng "System versioning prohibited for TEMPORARY tables"
 
 ER_VERS_INPLACE_NOT_IMPLEMENTED
         eng "Not implemented for system-versioned tables"

sql/sql_yacc.yy

@@ -6235,7 +6235,7 @@ versioning_option:
             {
               if (!thd->variables.vers_force)
               {
-                my_error(ER_VERS_TEMPORARY, MYF(0), "WITH SYSTEM VERSIONING");
+                my_error(ER_VERS_TEMPORARY, MYF(0));
                 MYSQL_YYABORT;
               }
             }