SQL: not a VTMD table warning [related to #199]

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

@@ -281,7 +281,7 @@ A_start	B_end	name	C_archive_name
 1	0	t3	t3_
 1	0	t3	t3_
 1	1	t3	NULL
-set versioning_hide = auto;
+set versioning_hide= auto;
 call show_tables();
 Tables_in_test
 t2
@@ -293,7 +293,7 @@ t2	test
 t2_vtmd	test
 t3	test
 t3_vtmd	test
-set versioning_hide = implicit;
+set versioning_hide= implicit;
 call show_tables();
 Tables_in_test
 t2
@@ -305,7 +305,7 @@ t2	test
 t2_vtmd	test
 t3	test
 t3_vtmd	test
-set versioning_hide = full;
+set versioning_hide= full;
 call show_tables();
 Tables_in_test
 t2
@@ -317,7 +317,7 @@ t2	test
 t2_vtmd	test
 t3	test
 t3_vtmd	test
-set versioning_hide = never;
+set versioning_hide= never;
 call show_tables();
 Tables_in_test
 t0_TIMESTAMP_SUFFIX
@@ -342,6 +342,18 @@ t3	test
 t3_TIMESTAMP_SUFFIX	test
 t3_TIMESTAMP_SUFFIX	test
 t3_vtmd	test
+set versioning_hide= auto;
+create or replace table u0_vtmd (x int) with system versioning;
+show tables;
+Tables_in_test
+t2
+t2_vtmd
+t3
+t3_vtmd
+u0_vtmd
+u0_vtmd_vtmd
+Warnings:
+Warning	4088	Table `test.u0_vtmd` is not a VTMD table
 drop database db0;
 drop database db1;
 drop database test;

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

@@ -174,19 +174,25 @@ alter table t3 change x x bigint;
 alter table t3 change x x bigint after sys_trx_start;
 call check_vtmd('t3_vtmd');
 
-set versioning_hide = auto;
+# hide archive tables
+set versioning_hide= auto;
 call show_tables();
 
-set versioning_hide = implicit;
+set versioning_hide= implicit;
 call show_tables();
 
-set versioning_hide = full;
+set versioning_hide= full;
 call show_tables();
 
-set versioning_hide = never;
+set versioning_hide= never;
 --replace_regex /\d{8}_\d{6}_\d{6}/TIMESTAMP_SUFFIX/
 call show_tables();
 
+# wrong VTMD handling
+set versioning_hide= auto;
+create or replace table u0_vtmd (x int) with system versioning;
+show tables;
+
 drop database db0;
 drop database db1;
 drop database test;

sql/share/errmsg-utf8.txt

@@ -7588,3 +7588,6 @@ ER_VERS_ALTER_SYSTEM_FIELD
 
 ER_VERS_SYS_FIELD_NOT_HIDDEN
         eng "System versioning field '%s' is not hidden"
+
+ER_NOT_LOG_TABLE
+        eng "Table `%s.%s` is not a log table"

sql/sql_base.cc

@@ -8723,11 +8723,32 @@ open_log_table(THD *thd, TABLE_LIST *one_table, Open_tables_backup *backup)
 
   if ((table= open_ltable(thd, one_table, one_table->lock_type, flags)))
   {
-    DBUG_ASSERT(table->s->table_category == TABLE_CATEGORY_LOG);
+    if (table->s->table_category == TABLE_CATEGORY_LOG)
+    {
       /* Make sure all columns get assigned to a default value */
       table->use_all_columns();
       DBUG_ASSERT(table->no_replicate);
     }
+    else
+    {
+      my_error(ER_NOT_LOG_TABLE, MYF(0), table->s->db.str, table->s->table_name.str);
+      int error= 0;
+      if (table->current_lock != F_UNLCK)
+      {
+        table->current_lock= F_UNLCK;
+        error= table->file->ha_external_lock(thd, F_UNLCK);
+      }
+      if (error)
+        table->file->print_error(error, MYF(0));
+      else
+      {
+        tc_release_table(table);
+        thd->reset_open_tables_state(thd);
+        thd->restore_backup_open_tables_state(backup);
+        table= NULL;
+      }
+    }
+  }
   else
     thd->restore_backup_open_tables_state(backup);
 

sql/table.h

@@ -1530,6 +1530,12 @@ struct TABLE
     return s->versioned && file->native_versioned();
   }
 
+  bool vers_vtmd() const
+  {
+    DBUG_ASSERT(s);
+    return s->versioned && s->vtmd;
+  }
+
   Field *vers_start_field() const
   {
     DBUG_ASSERT(s && s->versioned);

sql/vtmd.cc

@@ -593,6 +593,7 @@ VTMD_table::get_archive_tables(THD *thd, const char *db, size_t db_length,
   if (get_vtmd_tables(thd, db, db_length, vtmd_tables))
     return true;
 
+  Local_da local_da(thd, ER_VERS_VTMD_ERROR);
   for (uint i= 0; i < vtmd_tables.elements(); i++)
   {
     LEX_STRING table_name= *vtmd_tables.at(i);
@@ -603,8 +604,24 @@ VTMD_table::get_archive_tables(THD *thd, const char *db, size_t db_length,
                               table_name.str, TL_READ);
 
     TABLE *table= open_log_table(thd, &table_list, &open_tables_backup);
-    if (!table)
+    if (!table || !table->vers_vtmd())
+    {
+      if (table)
+        close_log_table(thd, &open_tables_backup);
+      else
+      {
+        if (local_da.is_error() && local_da.sql_errno() == ER_NOT_LOG_TABLE)
+          local_da.reset_diagnostics_area();
+        else
           return true;
+      }
+      push_warning_printf(
+        thd, Sql_condition::WARN_LEVEL_WARN,
+        ER_VERS_VTMD_ERROR,
+        "Table `%s.%s` is not a VTMD table",
+        db, table_name.str);
+      continue;
+    }
 
     READ_RECORD read_record;
     int error= 0;