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SQL: versioning in embedded JOINs [fixes #160]

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This commit is contained in:
kevg
2017-03-23 23:19:22 +03:00
committed by Aleksey Midenkov
parent e8ae9f1ae9
commit 14f007f907
3 changed files with 30 additions and 2 deletions
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18
mysql-test/suite/versioning/r/select.result
View File

@ -413,9 +413,22 @@ a2 a1
2 1
1 2
2 2
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
a a
2 1
3 1
2 2
3 2
2 3
3 3
1 NULL
drop view v1;
drop table t1, t2;
call innodb_verify_vtq(21);
call innodb_verify_vtq(24);
No A B C D
1 1 1 1 1
2 1 1 1 1
@ -438,6 +451,9 @@ No A B C D
19 1 1 1 1
20 1 1 1 1
21 1 1 1 1
22 1 1 1 1
23 1 1 1 1
24 1 1 1 1
drop procedure test_01;
drop procedure test_02;
drop procedure verify_vtq;

8
mysql-test/suite/versioning/t/select.test
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@ -184,10 +184,16 @@ select * from v1 natural join t2;
select * from v1 natural left join t2;
select * from v1 natural right join t2;
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
drop view v1;
drop table t1, t2;
call innodb_verify_vtq(21);
call innodb_verify_vtq(24);
drop procedure test_01;
drop procedure test_02;

6
sql/sql_select.cc
View File

@ -834,6 +834,12 @@ int vers_setup_select(THD *thd, TABLE_LIST *tables, COND **where_expr,
dst_cond= &table->on_expr;
}
if (TABLE_LIST *t= table->embedding)
{
if (t->on_expr)
dst_cond= &t->on_expr;
}
const char *fstart= table->table->vers_start_field()->field_name;
const char *fend= table->table->vers_end_field()->field_name;