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MDEV-14816 Assertion join->best_read < double(1.797...e+308L) failed in bool greedy_search

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This commit is contained in:
Eugene Kosov
2018-01-10 22:09:09 +03:00
committed by Sergei Golubchik
parent f96b1a4e39
commit fbed4ca4f1
5 changed files with 93 additions and 14 deletions
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2
mysql-test/suite/versioning/r/partition.result
View File

@@ -139,7 +139,7 @@ x C D
## pruning check
explain partitions select * from tN;
id select_type table partitions type possible_keys key key_len ref rows Extra
N SIMPLE tN pn system NULL NULL NULL NULL N
N SIMPLE tN pN,pn system NULL NULL NULL NULL N
set @str= concat('select row_start from t1 partition (pn) into @ts0');
prepare stmt from @str;
execute stmt;

71
mysql-test/suite/versioning/r/select.result
View File

@@ -406,8 +406,77 @@ insert into t1 values (1, 10, '15:01:53'), (2, 20, '00:00:00');
delete from t1;
select * from t1 where t = '00:00:00' and i > 0 and row_end <> '2012-12-12 00:00:00';
pk i t
### MDEV-14816 Assertion `join->best_read < double(1.797...e+308L)' failed in bool greedy_search
create or replace table t1 (f1 int) with system versioning;
create or replace table t2 (f2 int) with system versioning;
create or replace table t3 (f3 int);
create or replace table t4 (f4 int);
insert into t1 values (1), (2), (3), (4);
insert into t2 values (1), (2), (3);
insert into t3 values (1), (2);
insert into t4 values (1);
select * from
t1 as t1a
left join t2 as t2a left join (t3 as t3a inner join t1) on t2a.f2 = t3a.f3 on t1a.f1 = t2a.f2
left join (t2 join t3 inner join t4) on t2a.f2 = t1a.f1;
f1 f2 f3 f1 f2 f3 f4
1 1 1 1 1 1 1
2 2 2 1 1 1 1
1 1 1 2 1 1 1
2 2 2 2 1 1 1
1 1 1 3 1 1 1
2 2 2 3 1 1 1
1 1 1 4 1 1 1
2 2 2 4 1 1 1
1 1 1 1 1 2 1
2 2 2 1 1 2 1
1 1 1 2 1 2 1
2 2 2 2 1 2 1
1 1 1 3 1 2 1
2 2 2 3 1 2 1
1 1 1 4 1 2 1
2 2 2 4 1 2 1
1 1 1 1 2 1 1
2 2 2 1 2 1 1
1 1 1 2 2 1 1
2 2 2 2 2 1 1
1 1 1 3 2 1 1
2 2 2 3 2 1 1
1 1 1 4 2 1 1
2 2 2 4 2 1 1
1 1 1 1 2 2 1
2 2 2 1 2 2 1
1 1 1 2 2 2 1
2 2 2 2 2 2 1
1 1 1 3 2 2 1
2 2 2 3 2 2 1
1 1 1 4 2 2 1
2 2 2 4 2 2 1
1 1 1 1 3 1 1
2 2 2 1 3 1 1
1 1 1 2 3 1 1
2 2 2 2 3 1 1
1 1 1 3 3 1 1
2 2 2 3 3 1 1
1 1 1 4 3 1 1
2 2 2 4 3 1 1
1 1 1 1 3 2 1
2 2 2 1 3 2 1
1 1 1 2 3 2 1
2 2 2 2 3 2 1
1 1 1 3 3 2 1
2 2 2 3 3 2 1
1 1 1 4 3 2 1
2 2 2 4 3 2 1
3 3 NULL NULL 1 1 1
3 3 NULL NULL 1 2 1
3 3 NULL NULL 2 1 1
3 3 NULL NULL 2 2 1
3 3 NULL NULL 3 1 1
3 3 NULL NULL 3 2 1
4 NULL NULL NULL NULL NULL NULL
drop view v1;
drop table t1, t2;
drop table t1, t2, t3, t4;
call verify_vtq_dummy(34);
No A B C D
1 1 1 1 1

10
mysql-test/suite/versioning/r/view.result
View File

@@ -17,7 +17,7 @@ x
create or replace view vt1 as select * from t1;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `x` from `t1` FOR SYSTEM_TIME ALL where `t1`.`row_end` = MAX_RESULT latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `x` from `t1` FOR SYSTEM_TIME ALL where `t1`.`row_end` = MAX_RESULT or `t1`.`row_end` is null latin1 latin1_swedish_ci
drop view vt1;
drop view vt2;
create or replace view vt1 as select * from t1 for system_time all;
@@ -69,7 +69,7 @@ create or replace table t1 (x int) with system versioning;
create or replace view vt1(c) as select x from t1;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `c` from `t1` FOR SYSTEM_TIME ALL where `t1`.`row_end` = MAX_RESULT latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `c` from `t1` FOR SYSTEM_TIME ALL where `t1`.`row_end` = MAX_RESULT or `t1`.`row_end` is null latin1 latin1_swedish_ci
# VIEW over JOIN of versioned tables [#153]
create or replace table t1 (a int) with system versioning;
create or replace table t2 (b int) with system versioning;
@@ -87,15 +87,15 @@ create or replace table t3 (x int);
create or replace view vt1 as select * from t1, t2, t3;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`b` AS `b`,`t3`.`x` AS `x` from ((`t1` FOR SYSTEM_TIME ALL join `t2` FOR SYSTEM_TIME ALL) join `t3`) where `t1`.`row_end` = MAX_RESULT and `t2`.`row_end` = MAX_RESULT latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`b` AS `b`,`t3`.`x` AS `x` from ((`t1` FOR SYSTEM_TIME ALL join `t2` FOR SYSTEM_TIME ALL) join `t3`) where (`t1`.`row_end` = MAX_RESULT or `t1`.`row_end` is null) and (`t2`.`row_end` = MAX_RESULT or `t2`.`row_end` is null) latin1 latin1_swedish_ci
create or replace view vt1 as select * from t3, t2, t1;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t3`.`x` AS `x`,`t2`.`b` AS `b`,`t1`.`a` AS `a` from ((`t3` join `t2` FOR SYSTEM_TIME ALL) join `t1` FOR SYSTEM_TIME ALL) where `t2`.`row_end` = MAX_RESULT and `t1`.`row_end` = MAX_RESULT latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t3`.`x` AS `x`,`t2`.`b` AS `b`,`t1`.`a` AS `a` from ((`t3` join `t2` FOR SYSTEM_TIME ALL) join `t1` FOR SYSTEM_TIME ALL) where (`t2`.`row_end` = MAX_RESULT or `t2`.`row_end` is null) and (`t1`.`row_end` = MAX_RESULT or `t1`.`row_end` is null) latin1 latin1_swedish_ci
create or replace view vt1 as select a, t2.row_end as endo from t3, t1, t2;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`row_end` AS `endo` from ((`t3` join `t1` FOR SYSTEM_TIME ALL) join `t2` FOR SYSTEM_TIME ALL) where `t1`.`row_end` = MAX_RESULT and `t2`.`row_end` = MAX_RESULT latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`row_end` AS `endo` from ((`t3` join `t1` FOR SYSTEM_TIME ALL) join `t2` FOR SYSTEM_TIME ALL) where (`t1`.`row_end` = MAX_RESULT or `t1`.`row_end` is null) and (`t2`.`row_end` = MAX_RESULT or `t2`.`row_end` is null) latin1 latin1_swedish_ci
# VIEW over UNION [#269]
create or replace view vt1 as select * from t1 union select * from t1;
select * from vt1;

17
mysql-test/suite/versioning/t/select.test
View File

@@ -283,8 +283,23 @@ delete from t1;
select * from t1 where t = '00:00:00' and i > 0 and row_end <> '2012-12-12 00:00:00';
--enable_warnings
--echo ### MDEV-14816 Assertion `join->best_read < double(1.797...e+308L)' failed in bool greedy_search
create or replace table t1 (f1 int) with system versioning;
create or replace table t2 (f2 int) with system versioning;
create or replace table t3 (f3 int);
create or replace table t4 (f4 int);
insert into t1 values (1), (2), (3), (4);
insert into t2 values (1), (2), (3);
insert into t3 values (1), (2);
insert into t4 values (1);
select * from
t1 as t1a
left join t2 as t2a left join (t3 as t3a inner join t1) on t2a.f2 = t3a.f3 on t1a.f1 = t2a.f2
left join (t2 join t3 inner join t4) on t2a.f2 = t1a.f1;
drop view v1;
drop table t1, t2;
drop table t1, t2, t3, t4;
call verify_vtq_dummy(34);

7
sql/sql_select.cc
View File

@@ -844,12 +844,6 @@ int SELECT_LEX::vers_setup_conds(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 LEX_CSTRING *fstart= &table->table->vers_start_field()->field_name;
const LEX_CSTRING *fend= &table->table->vers_end_field()->field_name;
@@ -953,6 +947,7 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables, COND **where_expr
curr= newx Item_int(thd, ULONGLONG_MAX);
cond1= newx Item_func_eq(thd, row_end, curr);
}
cond1= or_items(thd, cond1, newx Item_func_isnull(thd, row_end));
break;
case SYSTEM_TIME_AS_OF:
cond1= newx Item_func_le(thd, row_start,