Parser: moved 'for system_time' before alias

Due to standard (see 7.6 <table reference>).

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

@@ -33,11 +33,11 @@ ancestors
 as
 (
 select e.emp_id, e.name, e.mgr, e.salary
-from emp as e for system_time as of timestamp @ts_1
+from emp for system_time as of timestamp @ts_1 as e
 where name = 'bill'
   union 
 select e.emp_id, e.name, e.mgr, e.salary
-from emp as e for system_time as of timestamp @ts_1, 
+from emp for system_time as of timestamp @ts_1 as e,
 ancestors as a
 where e.mgr = a.emp_id
 )
@@ -51,11 +51,11 @@ ancestors
 as
 (
 select e.emp_id, e.name, e.mgr, e.salary
-from emp as e for system_time as of timestamp @ts_2
+from emp for system_time as of timestamp @ts_2 as e
 where name = 'bill'
   union 
 select e.emp_id, e.name, e.mgr, e.salary
-from emp as e for system_time as of timestamp @ts_2,
+from emp for system_time as of timestamp @ts_2 as e,
 ancestors as a
 where e.mgr = a.emp_id
 )

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

@@ -91,12 +91,14 @@ ancestors
 as
 (
 select e.emp_id, e.name, e.mgr
-from emp as e for system_time as of timestamp @ts
+from emp as e
 where name = 'bill'
-  union
+  system_time as of timestamp @ts
+union
 select ee.emp_id, ee.name, ee.mgr
-from emp as ee for system_time as of timestamp @ts, ancestors as a for system_time as of timestamp @ts
+from emp as ee, ancestors as a
 where ee.mgr = a.emp_id
+system_time as of timestamp @ts
 )
 select * from ancestors;
 emp_id	name	mgr
@@ -109,12 +111,14 @@ ancestors
 as
 (
   select e.emp_id, e.name, e.mgr
-  from emp as e for system_time as of timestamp @ts
+  from emp as e
   where name = 'bill'
+  system_time as of timestamp @ts
   union
   select ee.emp_id, ee.name, ee.mgr
-  from emp as ee for system_time as of timestamp @ts, ancestors as a for system_time as of timestamp @ts
+  from emp as ee, ancestors as a
   where ee.mgr = a.emp_id
+  system_time as of timestamp @ts
 )
 select * from ancestors";
 prepare stmt from @tmp;

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

@@ -8,8 +8,8 @@ declare continue handler for not found set cur_done = true;
 set @tmp= concat('
     create or replace temporary table
     cur_tmp as
-      select vtmd.archive_name from ', vtmd_name, ' as vtmd
-      for system_time all
+      select vtmd.archive_name from ', vtmd_name, '
+      for system_time all as vtmd
       where vtmd.archive_name is not null
       group by vtmd.archive_name');
 prepare stmt from @tmp; execute stmt; drop prepare stmt;
@@ -29,8 +29,8 @@ begin
 set @tmp= concat('
     create or replace temporary table
     tmp_vtmd with system versioning as
-      select * from ', vtmd_name, ' as vtmd
-      for system_time all');
+      select * from ', vtmd_name, '
+      for system_time all as vtmd');
 prepare stmt from @tmp; execute stmt; drop prepare stmt;
 set @inf= 0xFFFFFFFFFFFFFFFF + 0;
 set @start= null;

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

@@ -8,8 +8,8 @@ declare continue handler for not found set cur_done = true;
 set @tmp= concat('
     create or replace temporary table
     cur_tmp as
-      select vtmd.archive_name from ', vtmd_name, ' as vtmd
-      for system_time all
+      select vtmd.archive_name from ', vtmd_name, '
+      for system_time all as vtmd
       where vtmd.archive_name is not null
       group by vtmd.archive_name');
 prepare stmt from @tmp; execute stmt; drop prepare stmt;

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

@@ -39,11 +39,11 @@ ancestors
 as
 (
   select e.emp_id, e.name, e.mgr, e.salary
-  from emp as e for system_time as of timestamp @ts_1
+  from emp for system_time as of timestamp @ts_1 as e
   where name = 'bill'
   union 
   select e.emp_id, e.name, e.mgr, e.salary
-  from emp as e for system_time as of timestamp @ts_1, 
+  from emp for system_time as of timestamp @ts_1 as e,
        ancestors as a
   where e.mgr = a.emp_id
 )
@@ -55,11 +55,11 @@ ancestors
 as
 (
   select e.emp_id, e.name, e.mgr, e.salary
-  from emp as e for system_time as of timestamp @ts_2
+  from emp for system_time as of timestamp @ts_2 as e
   where name = 'bill'
   union 
   select e.emp_id, e.name, e.mgr, e.salary
-  from emp as e for system_time as of timestamp @ts_2,
+  from emp for system_time as of timestamp @ts_2 as e,
        ancestors as a
   where e.mgr = a.emp_id
 )

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

@@ -62,12 +62,14 @@ ancestors
 as
 (
   select e.emp_id, e.name, e.mgr
-  from emp as e for system_time as of timestamp @ts
+  from emp as e
   where name = 'bill'
+  system_time as of timestamp @ts
   union
   select ee.emp_id, ee.name, ee.mgr
-  from emp as ee for system_time as of timestamp @ts, ancestors as a for system_time as of timestamp @ts
+  from emp as ee, ancestors as a
   where ee.mgr = a.emp_id
+  system_time as of timestamp @ts
 )
 select * from ancestors;
 set @tmp= "
@@ -76,12 +78,14 @@ ancestors
 as
 (
   select e.emp_id, e.name, e.mgr
-  from emp as e for system_time as of timestamp @ts
+  from emp as e
   where name = 'bill'
+  system_time as of timestamp @ts
   union
   select ee.emp_id, ee.name, ee.mgr
-  from emp as ee for system_time as of timestamp @ts, ancestors as a for system_time as of timestamp @ts
+  from emp as ee, ancestors as a
   where ee.mgr = a.emp_id
+  system_time as of timestamp @ts
 )
 select * from ancestors";
 prepare stmt from @tmp; execute stmt; drop prepare stmt;

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

@@ -11,8 +11,8 @@ begin
   set @tmp= concat('
     create or replace temporary table
     cur_tmp as
-      select vtmd.archive_name from ', vtmd_name, ' as vtmd
-      for system_time all
+      select vtmd.archive_name from ', vtmd_name, '
+      for system_time all as vtmd
       where vtmd.archive_name is not null
       group by vtmd.archive_name');
   prepare stmt from @tmp; execute stmt; drop prepare stmt;
@@ -37,8 +37,8 @@ begin
   set @tmp= concat('
     create or replace temporary table
     tmp_vtmd with system versioning as
-      select * from ', vtmd_name, ' as vtmd
-      for system_time all');
+      select * from ', vtmd_name, '
+      for system_time all as vtmd');
   prepare stmt from @tmp; execute stmt; drop prepare stmt;
 
   set @inf= 0xFFFFFFFFFFFFFFFF + 0;

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

@@ -10,8 +10,8 @@ begin
   set @tmp= concat('
     create or replace temporary table
     cur_tmp as
-      select vtmd.archive_name from ', vtmd_name, ' as vtmd
-      for system_time all
+      select vtmd.archive_name from ', vtmd_name, '
+      for system_time all as vtmd
       where vtmd.archive_name is not null
       group by vtmd.archive_name');
   prepare stmt from @tmp; execute stmt; drop prepare stmt;

sql/sql_yacc.yy

@@ -11334,9 +11334,9 @@ table_primary_ident:
             SELECT_LEX *sel= Select;
             sel->table_join_options= 0;
           }
-          table_ident opt_use_partition opt_table_alias opt_key_definition opt_for_system_time_clause
+          table_ident opt_use_partition opt_for_system_time_clause opt_table_alias opt_key_definition
           {
-            if (!($$= Select->add_table_to_list(thd, $2, $4,
+            if (!($$= Select->add_table_to_list(thd, $2, $5,
                                                 Select->get_table_join_options(),
                                                 YYPS->m_lock_type,
                                                 YYPS->m_mdl_type,
@@ -11344,7 +11344,7 @@ table_primary_ident:
                                                 $3)))
               MYSQL_YYABORT;
             Select->add_joined_table($$);
-            if ($6)
+            if ($4)
               $$->vers_conditions= Lex->vers_conditions;
           }
         ;