MDEV-18929 2nd execution of SP does not detect ER_VERS_NOT_VERSIONED

Wrong assertion condition. SYSTEM_TIME_ALL indicates that
vers_setup_conds() is done. In case FOR SYSTEM_TIME ALL is specified
in command the assertion passes but not checks anything.

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

@@ -116,3 +116,17 @@ x
 2
 1
 drop table t1;
+#
+# MDEV-18929 2nd execution of SP does not detect ER_VERS_NOT_VERSIONED
+#
+create or replace table t1 (a int) with system versioning;
+replace into t1 values (1), (2);
+create or replace trigger tr before delete on t1 for each row delete from xx;
+create or replace procedure pr() delete from t1;
+call pr;
+ERROR 42S02: Table 'test.xx' doesn't exist
+call pr;
+ERROR 42S02: Table 'test.xx' doesn't exist
+drop procedure pr;
+drop trigger tr;
+drop table t1;

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

@@ -79,4 +79,19 @@ delete from t1;
 select x from t1 for system_time all;
 drop table t1;
 
+--echo #
+--echo # MDEV-18929 2nd execution of SP does not detect ER_VERS_NOT_VERSIONED
+--echo #
+create or replace table t1 (a int) with system versioning;
+replace into t1 values (1), (2);
+create or replace trigger tr before delete on t1 for each row delete from xx;
+create or replace procedure pr() delete from t1;
+--error ER_NO_SUCH_TABLE
+call pr;
+--error ER_NO_SUCH_TABLE
+call pr;
+drop procedure pr;
+drop trigger tr;
+drop table t1;
+
 --source suite/versioning/common_finish.inc

sql/sql_delete.cc

@@ -919,7 +919,7 @@ int mysql_prepare_delete(THD *thd, TABLE_LIST *table_list,
 
   DBUG_ASSERT(table_list->table);
   // conds could be cached from previous SP call
-  DBUG_ASSERT(!table_list->vers_conditions.is_set() ||
+  DBUG_ASSERT(!table_list->vers_conditions.need_setup() ||
               !*conds || thd->stmt_arena->is_stmt_execute());
   if (select_lex->vers_setup_conds(thd, table_list))
     DBUG_RETURN(TRUE);

sql/sql_update.cc

@@ -1266,7 +1266,7 @@ bool mysql_prepare_update(THD *thd, TABLE_LIST *table_list,
 
   DBUG_ASSERT(table_list->table);
   // conds could be cached from previous SP call
-  DBUG_ASSERT(!table_list->vers_conditions.is_set() ||
+  DBUG_ASSERT(!table_list->vers_conditions.need_setup() ||
               !*conds || thd->stmt_arena->is_stmt_execute());
   if (select_lex->vers_setup_conds(thd, table_list))
     DBUG_RETURN(TRUE);

sql/table.h

@@ -1912,6 +1912,10 @@ struct vers_select_conds_t
   {
     return orig_type != SYSTEM_TIME_UNSPECIFIED;
   }
+  bool need_setup() const
+  {
+    return type != SYSTEM_TIME_UNSPECIFIED && type != SYSTEM_TIME_ALL;
+  }
   bool resolve_units(THD *thd);
   bool eq(const vers_select_conds_t &conds) const;
 };