SQL: VIEW over a JOIN of versioned tables [fixes #153]

Author: kevgs

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

@@ -112,7 +112,16 @@ select * from vvvt1 for system_time all;
 x
 create or replace table t1 (x int) with system versioning;
 create or replace view vt1(c) as select x from t1;
-drop view vvvt1;
-drop view vvt1;
-drop view vt1;
-drop table t1;
+create or replace table t1 (a int) with system versioning;
+create or replace table t2 (b int) with system versioning;
+insert into t1 values (1);
+insert into t2 values (2);
+create or replace view vt12 as select * from t1 cross join t2;
+select * from vt12;
+a	b
+1	2
+create or replace view vt12 as select * from t1 for system_time as of timestamp '0-0-0' cross join t2;
+select * from vt12;
+a	b
+drop view vt1, vvt1, vvvt1, vt12;
+drop table t1, t2;

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

@@ -73,7 +73,14 @@ select * from vvvt1 for system_time all;
 create or replace table t1 (x int) with system versioning;
 create or replace view vt1(c) as select x from t1;
 
-drop view vvvt1;
-drop view vvt1;
-drop view vt1;
-drop table t1;
+create or replace table t1 (a int) with system versioning;
+create or replace table t2 (b int) with system versioning;
+insert into t1 values (1);
+insert into t2 values (2);
+create or replace view vt12 as select * from t1 cross join t2;
+select * from vt12;
+create or replace view vt12 as select * from t1 for system_time as of timestamp '0-0-0' cross join t2;
+select * from vt12;
+
+drop view vt1, vvt1, vvvt1, vt12;
+drop table t1, t2;

sql/sql_view.cc

@@ -467,9 +467,9 @@ bool mysql_create_view(THD *thd, TABLE_LIST *views,
         const char *end = s->vers_end_field()->field_name;
 
         select_lex->item_list.push_back(new (thd->mem_root) Item_field(
-            thd, &select_lex->context, NULL, NULL, start));
+            thd, &select_lex->context, tables->db, tables->alias, start));
         select_lex->item_list.push_back(new (thd->mem_root) Item_field(
-            thd, &select_lex->context, NULL, NULL, end));
+            thd, &select_lex->context, tables->db, tables->alias, end));
 
         if (lex->view_list.elements)
         {