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MDEV-9619: Assertion `null_ref_table' failed in virtual table_map Item_direct_view_ref::used_tables() const on 2nd execution of PS

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Refer left expression indirectly in case it changes from execution to execution.
This commit is contained in:
Oleksandr Byelkin 2017-02-18 17:47:31 +01:00
commit 235b68299b
16 changed files with 332 additions and 33 deletions
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113
mysql-test/r/ps.result
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@ -4203,4 +4203,117 @@ execute stmt;
1
1
drop table t1,t2;
#
# MDEV-9619: Assertion `null_ref_table' failed in virtual
# table_map Item_direct_view_ref::used_tables() const on 2nd
# execution of PS
#
CREATE TABLE t1 (f1 VARCHAR(10)) ENGINE=MyISAM;
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 VALUES ('a'),('b');
CREATE TABLE t2 (f2 VARCHAR(10)) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('c'),('d');
PREPARE stmt FROM "SELECT * FROM v1 WHERE f1 = SOME ( SELECT f2 FROM t2 )";
EXECUTE stmt;
f1
EXECUTE stmt;
f1
insert into t1 values ('c');
EXECUTE stmt;
f1
c
EXECUTE stmt;
f1
c
deallocate prepare stmt;
drop view v1;
drop table t1,t2;
CREATE TABLE t1 (f1 VARCHAR(10)) ENGINE=MyISAM;
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 VALUES ('a'),('b');
CREATE TABLE t2 (f2 VARCHAR(10)) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('c'),('d');
PREPARE stmt FROM "SELECT * FROM v1 WHERE (f1,f1) = SOME ( SELECT f2,f2 FROM t2 )";
EXECUTE stmt;
f1
EXECUTE stmt;
f1
insert into t1 values ('c');
EXECUTE stmt;
f1
c
EXECUTE stmt;
f1
c
deallocate prepare stmt;
drop view v1;
drop table t1,t2;
CREATE TABLE t1 (column1 INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (3),(9);
CREATE TABLE t2 (column2 INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1),(4);
CREATE TABLE t3 (column3 INT) ENGINE=MyISAM;
INSERT INTO t3 VALUES (6),(8);
CREATE TABLE t4 (column4 INT) ENGINE=MyISAM;
INSERT INTO t4 VALUES (2),(5);
PREPARE stmt FROM "
SELECT (
SELECT MAX( table1.column1 ) AS field1
FROM t1 AS table1
WHERE (111,table3.column3) IN ( SELECT 111,table2.column2 AS field2 FROM t2 AS table2 )
) AS sq
FROM t3 AS table3, t4 AS table4 GROUP BY sq
";
EXECUTE stmt;
sq
NULL
EXECUTE stmt;
sq
NULL
deallocate prepare stmt;
drop table t1,t2,t3,t4;
create table t1 (a int, b int, c int);
create table t2 (x int, y int, z int);
create table t3 as select * from t1;
insert into t1 values (1,2,3),(4,5,6),(100,200,300),(400,500,600);
insert into t2 values (1,2,3),(7,8,9),(100,200,300),(400,500,600);
insert into t3 values (1,2,3),(11,12,13),(100,0,0),(400,500,600);
set @optimizer_switch_save=@@optimizer_switch;
set @join_cache_level_save=@@join_cache_level;
set optimizer_switch='materialization=off';
set join_cache_level=0;
select * from t1 where (select a,b from t3 where t3.c=t1.c) in (select x,y from t2 where t1.c= t2.z);
a b c
1 2 3
400 500 600
prepare stmt from "select * from t1 where (select a,b from t3 where t3.c=t1.c) in (select x,y from t2 where t1.c= t2.z)";
EXECUTE stmt;
a b c
1 2 3
400 500 600
EXECUTE stmt;
a b c
1 2 3
400 500 600
create view v1 as select * from t1;
create view v2 as select * from t2;
create view v3 as select * from t3;
select * from v1 where (select a,b from v3 where v3.c=v1.c) in (select x,y from v2 where v1.c= v2.z);
a b c
1 2 3
400 500 600
prepare stmt from "select * from v1 where (select a,b from v3 where v3.c=v1.c) in (select x,y from v2 where v1.c= v2.z)";
EXECUTE stmt;
a b c
1 2 3
400 500 600
EXECUTE stmt;
a b c
1 2 3
400 500 600
set optimizer_switch=@optimizer_switch_save;
set join_cache_level=@join_cache_level_save;
deallocate prepare stmt;
drop view v1,v2,v3;
drop table t1,t2,t3;
# End of 5.5 tests