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Diffstat (limited to 'mysql-test/t/derived_view.test')
| -rw-r--r-- | mysql-test/t/derived_view.test | 787 |
1 files changed, 787 insertions, 0 deletions
diff --git a/mysql-test/t/derived_view.test b/mysql-test/t/derived_view.test new file mode 100644 index 00000000000..72719ec9786 --- /dev/null +++ b/mysql-test/t/derived_view.test @@ -0,0 +1,787 @@ +--disable_warnings +drop table if exists t1,t2; +drop view if exists v1,v2,v3,v4; +--enable_warnings + +set @exit_optimizer_switch=@@optimizer_switch; +set optimizer_switch='derived_merge=on,derived_with_keys=on'; +# The 'default' value within the scope of this test: +set @save_optimizer_switch=@@optimizer_switch; + +create table t1(f1 int, f11 int); +create table t2(f2 int, f22 int); +insert into t1 values(1,1),(2,2),(3,3),(5,5),(9,9),(7,7); +insert into t1 values(17,17),(13,13),(11,11),(15,15),(19,19); +insert into t2 values(1,1),(3,3),(2,2),(4,4),(8,8),(6,6); +insert into t2 values(12,12),(14,14),(10,10),(18,18),(16,16); + +--echo Tests: + +--echo for merged derived tables +--echo explain for simple derived +explain select * from (select * from t1) tt; +select * from (select * from t1) tt; +--echo explain for multitable derived +explain extended select * from (select * from t1 join t2 on f1=f2) tt; +select * from (select * from t1 join t2 on f1=f2) tt; +--echo explain for derived with where +explain extended + select * from (select * from t1 where f1 in (2,3)) tt where f11=2; +select * from (select * from t1 where f1 in (2,3)) tt where f11=2; +--echo join of derived +explain extended + select * from (select * from t1 where f1 in (2,3)) tt join + (select * from t1 where f1 in (1,2)) aa on tt.f1=aa.f1; +select * from (select * from t1 where f1 in (2,3)) tt join + (select * from t1 where f1 in (1,2)) aa on tt.f1=aa.f1; + +flush status; +explain extended + select * from (select * from t1 where f1 in (2,3)) tt where f11=2; +show status like 'Handler_read%'; +flush status; +select * from (select * from t1 where f1 in (2,3)) tt where f11=2; +show status like 'Handler_read%'; + +--echo for merged views +create view v1 as select * from t1; +create view v2 as select * from t1 join t2 on f1=f2; +create view v3 as select * from t1 where f1 in (2,3); +create view v4 as select * from t2 where f2 in (2,3); +--echo explain for simple views +explain extended select * from v1; +select * from v1; +--echo explain for multitable views +explain extended select * from v2; +select * from v2; +--echo explain for views with where +explain extended select * from v3 where f11 in (1,3); +select * from v3 where f11 in (1,3); +--echo explain for joined views +explain extended + select * from v3 join v4 on f1=f2; +select * from v3 join v4 on f1=f2; + +flush status; +explain extended select * from v4 where f2 in (1,3); +show status like 'Handler_read%'; +flush status; +select * from v4 where f2 in (1,3); +show status like 'Handler_read%'; + +--echo for materialized derived tables +--echo explain for simple derived +explain extended select * from (select * from t1 group by f1) tt; +select * from (select * from t1 having f1=f1) tt; +--echo explain showing created indexes +explain extended + select * from t1 join (select * from t2 group by f2) tt on f1=f2; +select * from t1 join (select * from t2 group by f2) tt on f1=f2; +--echo explain showing late materialization +flush status; +explain select * from t1 join (select * from t2 group by f2) tt on f1=f2; +show status like 'Handler_read%'; +flush status; +select * from t1 join (select * from t2 group by f2) tt on f1=f2; +show status like 'Handler_read%'; + +--echo for materialized views +drop view v1,v2,v3; +create view v1 as select * from t1 group by f1; +create view v2 as select * from t2 group by f2; +create view v3 as select t1.f1,t1.f11 from t1 join t1 as t11 where t1.f1=t11.f1 + having t1.f1<100; +--echo explain for simple derived +explain extended select * from v1; +select * from v1; +--echo explain showing created indexes +explain extended select * from t1 join v2 on f1=f2; +select * from t1 join v2 on f1=f2; +explain extended + select * from t1,v3 as v31,v3 where t1.f1=v31.f1 and t1.f1=v3.f1; +flush status; +select * from t1,v3 as v31,v3 where t1.f1=v31.f1 and t1.f1=v3.f1; +show status like 'Handler_read%'; +--echo explain showing late materialization +flush status; +explain select * from t1 join v2 on f1=f2; +show status like 'Handler_read%'; +flush status; +select * from t1 join v2 on f1=f2; +show status like 'Handler_read%'; + +explain extended select * from v1 join v4 on f1=f2; +select * from v1 join v4 on f1=f2; + +--echo merged derived in merged derived +explain extended select * from (select * from + (select * from t1 where f1 < 7) tt where f1 > 2) zz; +select * from (select * from + (select * from t1 where f1 < 7) tt where f1 > 2) zz; + +--echo materialized derived in merged derived +explain extended select * from (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) zz; +select * from (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) zz; + +--echo merged derived in materialized derived +explain extended select * from (select * from + (select * from t1 where f1 < 7) tt where f1 > 2 group by f1) zz; +select * from (select * from + (select * from t1 where f1 < 7) tt where f1 > 2 group by f1) zz; + +--echo materialized derived in materialized derived +explain extended select * from (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) zz; +select * from (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) zz; + +--echo mat in merged derived join mat in merged derived +explain extended select * from + (select * from (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) x +join + (select * from (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) z + on x.f1 = z.f1; + +flush status; +select * from + (select * from (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) x +join + (select * from (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) z + on x.f1 = z.f1; +show status like 'Handler_read%'; +flush status; + +--echo merged in merged derived join merged in merged derived +explain extended select * from + (select * from + (select * from t1 where f1 < 7 ) tt where f1 > 2 ) x +join + (select * from + (select * from t1 where f1 < 7 ) tt where f1 > 2 ) z + on x.f1 = z.f1; + +select * from + (select * from + (select * from t1 where f1 < 7 ) tt where f1 > 2 ) x +join + (select * from + (select * from t1 where f1 < 7 ) tt where f1 > 2 ) z + on x.f1 = z.f1; + +--echo materialized in materialized derived join +--echo materialized in materialized derived +explain extended select * from + (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) x +join + (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) z + on x.f1 = z.f1; + +select * from + (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) x +join + (select * from + (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) z + on x.f1 = z.f1; + +--echo merged view in materialized derived +explain extended +select * from (select * from v4 group by 1) tt; +select * from (select * from v4 group by 1) tt; + +--echo materialized view in merged derived +explain extended +select * from ( select * from v1 where f1 < 7) tt; +select * from ( select * from v1 where f1 < 7) tt; + +--echo merged view in a merged view in a merged derived +create view v6 as select * from v4 where f2 < 7; +explain extended select * from (select * from v6) tt; +select * from (select * from v6) tt; + +--echo materialized view in a merged view in a materialized derived +create view v7 as select * from v1; +explain extended select * from (select * from v7 group by 1) tt; +select * from (select * from v7 group by 1) tt; + +--echo join of above two +explain extended select * from v6 join v7 on f2=f1; +select * from v6 join v7 on f2=f1; + +--echo test two keys +explain select * from t1 join (select * from t2 group by f2) tt on t1.f1=tt.f2 join t1 xx on tt.f22=xx.f1; +select * from t1 join (select * from t2 group by f2) tt on t1.f1=tt.f2 join t1 xx on tt.f22=xx.f1; + + +--echo TODO: Add test with 64 tables mergeable view to test fall back to +--echo materialization on tables > MAX_TABLES merge +drop table t1,t2; +drop view v1,v2,v3,v4,v6,v7; + +--echo # +--echo # LP bug #794909: crash when defining possible keys for +--echo # a materialized view/derived_table +--echo # + +CREATE TABLE t1 (f1 int) ; +INSERT INTO t1 VALUES (149), (150), (224), (29); + +CREATE TABLE t2 (f1 int, KEY (f1)); +INSERT INTO t2 VALUES (149), (NULL), (224); + +CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1; + +EXPLAIN +SELECT * FROM v1 JOIN t2 ON v1.f1 = t2.f1; +SELECT * FROM v1 JOIN t2 ON v1.f1 = t2.f1; + +DROP VIEW v1; +DROP TABLE t1,t2; + +--echo # +--echo # LP bug #794890: abort failure on multi-update with view +--echo # + +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (20), (7); +CREATE TABLE t2 (a int); +INSERT INTO t2 VALUES (7), (9), (7); + +CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT a FROM t1; + +CREATE VIEW v2 AS SELECT t2.a FROM t2, v1 WHERE t2.a=t2.a; +UPDATE v2 SET a = 2; +SELECT * FROM t2; + +UPDATE t1,v2 SET t1.a = 3; +SELECT * FROM t1; + +DELETE t1 FROM t1,v2; +SELECT * FROM t1; + +DROP VIEW v1,v2; +DROP TABLE t1,t2; + +--echo # +--echo # LP bug #802023: MIN/MAX optimization +--echo # for mergeable derived tables and views +--echo # + +CREATE TABLE t1 (a int, b int, c varchar(32), INDEX idx(a,b)); +INSERT INTO t1 VALUES + (7, 74, 'yyyyyyy'), (9, 97, 'aaaaaaaaa'), (2, 23, 'tt'), + (5, 55, 'ddddd'), (2, 27, 'ss'), (7, 76, 'xxxxxxx'), + (7, 79, 'zzzzzzz'), (9, 92, 'bbbbbbbbb'), (2, 25, 'pp'), + (5, 53, 'eeeee'), (2, 23, 'qq'), (7, 76,'wwwwwww'), + (7, 74, 'uuuuuuu'), (9, 92, 'ccccccccc'), (2, 25, 'oo'); + +CREATE VIEW v1 AS SELECT * FROM t1; + +SELECT MIN(a) FROM t1 WHERE a >= 5; +EXPLAIN +SELECT MIN(a) FROM t1 WHERE a >= 5; + +SELECT MIN(a) FROM (SELECT * FROM t1) t WHERE a >= 5; +EXPLAIN +SELECT MIN(a) FROM(SELECT * FROM t1) t WHERE a >= 5; + +SELECT MIN(a) FROM v1 WHERE a >= 5; +EXPLAIN +SELECT MIN(a) FROM v1 WHERE a >= 5; + +SELECT MAX(b) FROM t1 WHERE a=7 AND b<75; +EXPLAIN +SELECT MAX(b) FROM t1 WHERE a=7 AND b<75; + +SELECT MAX(b) FROM (SELECT * FROM t1) t WHERE a=7 AND b<75; +EXPLAIN +SELECT MAX(b) FROM (SELECT * FROM t1) t WHERE a=7 AND b<75; + +SELECT MAX(b) FROM v1 WHERE a=7 AND b<75; +EXPLAIN +SELECT MAX(b) FROM v1 WHERE a=7 AND b<75; + +DROP VIEW v1; +DROP TABLE t1; + + +--echo # +--echo # LP bug #800535: GROUP BY query with nested left join +--echo # and a derived table in the nest +--echo # + +CREATE TABLE t1 (a int) ; +INSERT INTO t1 VALUES (1), (2); + +CREATE TABLE t2 (a int NOT NULL); +INSERT INTO t2 VALUES (1), (2); + +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (3,3), (4,4); + +EXPLAIN EXTENDED +SELECT t.a FROM t1 LEFT JOIN + (t2 t JOIN t3 ON t3.b > 5) ON t.a >= 1 + GROUP BY t.a; +SELECT t.a FROM t1 LEFT JOIN + (t2 t JOIN t3 ON t3.b > 5) ON t.a >= 1 + GROUP BY t.a; + +EXPLAIN EXTENDED +SELECT t.a FROM t1 LEFT JOIN + (( SELECT * FROM t2 ) t JOIN t3 ON t3.b > 5) ON t.a >= 1 + GROUP BY t.a; +SELECT t.a FROM t1 LEFT JOIN + (( SELECT * FROM t2 ) t JOIN t3 ON t3.b > 5) ON t.a >= 1 + GROUP BY t.a; + +CREATE VIEW v1 AS SELECT * FROM t2; + +EXPLAIN EXTENDED +SELECT t.a FROM t1 LEFT JOIN + (v1 t JOIN t3 ON t3.b > 5) ON t.a >= 1 + GROUP BY t.a; +SELECT t.a FROM t1 LEFT JOIN + (v1 t JOIN t3 ON t3.b > 5) ON t.a >= 1 + GROUP BY t.a; + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #803410: materialized view/dt accessed by two-component key +--echo # + +CREATE TABLE t1 (a varchar(1)); +INSERT INTO t1 VALUES ('c'); + +CREATE TABLE t2 (a varchar(1) , KEY (a)) ; +INSERT INTO t2 VALUES ('c'), (NULL), ('r'); + +CREATE TABLE t3 (a varchar(1), b varchar(1)); +INSERT INTO t3 VALUES ('e', 'c'), ('c', 'c'), ('c', 'r'); + +CREATE VIEW v1 AS SELECT a, MIN(b) AS b FROM t3 GROUP BY a; + +EXPLAIN +SELECT * FROM t1, t2, v1 WHERE t2.a=t1.a AND t2.a=v1.a AND t2.a=v1.b; +SELECT * FROM t1, t2, v1 WHERE t2.a=t1.a AND t2.a=v1.a AND t2.a=v1.b; + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + + +--echo # +--echo # LP bug #802845: select from derived table with limit 0 +--echo # + +SELECT * FROM (SELECT 1 LIMIT 0) t; + +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (7), (1), (3); + +SELECT * FROM (SELECT * FROM t1 LIMIT 0) t; + +DROP TABLE t1; + +--echo # +--echo # LP bug #803851: materialized view + IN->EXISTS +--echo # + +SET SESSION optimizer_switch='semijoin=off,derived_with_keys=on'; + +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (2,2), (3,3), (1,1); + +CREATE TABLE t2 (a int); +INSERT INTO t2 VALUES (1), (2), (1); + +CREATE TABLE t3 (a int); +INSERT INTO t3 VALUES (3), (1), (2), (1); + +CREATE VIEW v1 AS SELECT a, MAX(b) AS b FROM t1 GROUP BY a; + +EXPLAIN EXTENDED +SELECT * FROM t3 + WHERE t3.a IN (SELECT v1.a FROM v1, t2 WHERE t2.a = v1.b); +SELECT * FROM t3 + WHERE t3.a IN (SELECT v1.a FROM v1, t2 WHERE t2.a = v1.b); + +SET SESSION optimizer_switch=@save_optimizer_switch; + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #804515: materialized derived + ORDER BY +--echo # + +CREATE TABLE t1 (f1 varchar(1), f2 varchar(1), KEY (f2)); +INSERT INTO t1 VALUES + ('r','x'), ('x','d'), ('x','r'), ('r','f'), ('x','x'); + +CREATE TABLE t2 (f1 varchar(1), f2 varchar(1)); +INSERT INTO t2 VALUES ('s','x'); + +CREATE TABLE t3 (f1 varchar(1), f2 varchar(1), KEY (f2)); +INSERT INTO t3 VALUES + (NULL,'x'), (NULL,'f'), ('t','p'), (NULL,'j'), ('g','c'); + +CREATE TABLE t4 (f1 int, f2 varchar(1), KEY (f2,f1)) ; +INSERT INTO t4 VALUES (1,'x'), (5,'r'); + +EXPLAIN +SELECT t.f1 AS f + FROM (SELECT DISTINCT t1.* FROM t1,t2 WHERE t2.f2 = t1.f2) t,t3,t4 + WHERE t4.f2 = t3.f2 AND t4.f2 = t.f1 ORDER BY f; +SELECT t.f1 AS f + FROM (SELECT DISTINCT t1.* FROM t1,t2 WHERE t2.f2 = t1.f2) t,t3,t4 + WHERE t4.f2 = t3.f2 AND t4.f2 = t.f1 ORDER BY f; + +DROP TABLE t1,t2,t3,t4; + +--echo # +--echo # LP bug #806431: join over materialized derived with key +--echo # + +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (0,0),(3,0),(1,0); + +CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT a,b FROM t1 ; + +SET SESSION optimizer_switch='derived_with_keys=off'; +SELECT * FROM t1 AS t JOIN v1 AS v WHERE t.a = v.b AND t.b = v.b; +SET SESSION optimizer_switch='derived_with_keys=on'; +EXPLAIN +SELECT * FROM t1 AS t JOIN v1 AS v WHERE t.a = v.b AND t.b = v.b; +SELECT * FROM t1 AS t JOIN v1 AS v WHERE t.a = v.b AND t.b = v.b; + +SET SESSION optimizer_switch=@save_optimizer_switch; + +DROP VIEW v1; +DROP TABLE t1; + +--echo # +--echo # LP bug #806477: left join over merged join with +--echo # where condition containing f=f +--echo # + +CREATE TABLE t1 (a int NOT NULL); +INSERT INTO t1 VALUES (1), (50), (0); + +CREATE TABLE t2 (a int); + +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (76,2), (1,NULL); + +CREATE VIEW v1 AS SELECT * FROM t1; + +SELECT t3.b, v1.a + FROM t3 LEFT JOIN (t2, v1) ON t3.a <> 0 + WHERE v1.a = v1.a OR t3.b <> 0; +EXPLAIN EXTENDED +SELECT t3.b, v1.a + FROM t3 LEFT JOIN (t2, v1) ON t3.a <> 0 + WHERE v1.a = v1.a OR t3.b <> 0; + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #806510: subquery with outer reference +--echo # to a derived_table/view +--echo # + +CREATE TABLE t1 (a int) ; +INSERT INTO t1 VALUES (4), (NULL); + +CREATE TABLE t2 (a int) ; +INSERT INTO t2 VALUES (8), (0); + +CREATE TABLE t3 (a int, b int) ; +INSERT INTO t3 VALUES (7,8); + +CREATE VIEW v1 AS SELECT * FROM t1; + +SELECT * FROM t1 t + WHERE EXISTS (SELECT t3.a FROM t3, t2 + WHERE t2.a = t3.b AND t.a != 0); +EXPLAIN +SELECT * FROM t1 t + WHERE EXISTS (SELECT t3.a FROM t3, t2 + WHERE t2.a = t3.b AND t.a != 0); + +SELECT * FROM (SELECT * FROM t1) t + WHERE EXISTS (SELECT t3.a FROM t3, t2 + WHERE t2.a = t3.b AND t.a != 0); +EXPLAIN +SELECT * FROM (SELECT * FROM t1) t + WHERE EXISTS (SELECT t3.a FROM t3, t2 + WHERE t2.a = t3.b AND t.a != 0); + +SELECT * FROM v1 t + WHERE EXISTS (SELECT t3.a FROM t3, t2 + WHERE t2.a = t3.b AND t.a != 0); +EXPLAIN +SELECT * FROM v1 t + WHERE EXISTS (SELECT t3.a FROM t3, t2 + WHERE t2.a = t3.b AND t.a != 0); + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #806097: left join over a view + DISTINCT +--echo # + +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (252,6), (232,0), (174,232); + +CREATE TABLE t2 (a int); +INSERT INTO t2 VALUES (232), (174); + +CREATE TABLE t3 (c int); +INSERT INTO t3 VALUES (1), (2); + +CREATE VIEW v1 AS SELECT t2.a FROM t3,t2; + +SELECT v1.a FROM t1 LEFT JOIN v1 ON t1.b = 0; + +SELECT DISTINCT t2.a FROM t1 LEFT JOIN (t3,t2) ON t1.b = 0; +EXPLAIN +SELECT DISTINCT t2.a FROM t1 LEFT JOIN (t3,t2) ON t1.b = 0; + +SELECT DISTINCT v1.a FROM t1 LEFT JOIN v1 ON t1.b = 0; +EXPLAIN +SELECT DISTINCT v1.a FROM t1 LEFT JOIN v1 ON t1.b = 0; + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #806504: right join over a view/derived table +--echo # + +CREATE TABLE t1 (a int, b int) ; +INSERT INTO t1 VALUES (0,0); + +CREATE TABLE t2 (a int) ; +INSERT INTO t2 VALUES (0), (0); + +CREATE VIEW v1 AS SELECT * FROM t1; + +SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0 + WHERE t.a IN (SELECT b FROM t1); +EXPLAIN EXTENDED +SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0 + WHERE t.a IN (SELECT b FROM t1); + +SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0 + WHERE t.a IN (SELECT b FROM t1); +EXPLAIN EXTENDED +SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0 + WHERE t.a IN (SELECT b FROM t1); + +DROP VIEW v1; +DROP TABLE t1,t2; + +--echo # +--echo # LP bug #809206: DISTINCT in derived table / view +--echo # + +CREATE TABLE t1 (a int) ; +INSERT INTO t1 VALUES (0); + +CREATE TABLE t2 (a varchar(32), b int, KEY (a)) ; +INSERT INTO t2 VALUES + ('j',28), ('c',29), ('i',26), ('c',29), ('k',27), + ('j',28), ('c',29), ('i',25), ('d',26), ('k',27); + +CREATE TABLE t3 (a varchar(32)); +INSERT INTO t3 VALUES ('j'), ('c'); + +CREATE VIEW v1 AS SELECT DISTINCT t2.b FROM t1,t2,t3 WHERE t3.a = t2.a; + +SELECT DISTINCT t2.b FROM t1,t2,t3 WHERE t3.a = t2.a; +EXPLAIN +SELECT DISTINCT t2.b FROM t1,t2,t3 WHERE t3.a = t2.a; + +SELECT * FROM (SELECT DISTINCT t2.b FROM t1,t2,t3 WHERE t3.a = t2.a) t; +EXPLAIN +SELECT * FROM (SELECT DISTINCT t2.b FROM t1,t2,t3 WHERE t3.a = t2.a) t; + +SELECT * FROM v1; +EXPLAIN +SELECT * FROM v1; + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #809179: right join over a derived table / view +--echo # + +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (6,5); + +CREATE TABLE t2 (a int, b int); +INSERT INTO t2 VALUES (1,0); + +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (6,5); + +CREATE VIEW v1 AS SELECT * FROM t1; + +SELECT t.a,t.b FROM t3 RIGHT JOIN (t1 AS t, t2) ON t2.b != 0 + WHERE (t.a,t.b) NOT IN (SELECT 7, 5); +EXPLAIN EXTENDED +SELECT t.a,t.b FROM t3 RIGHT JOIN (t1 AS t, t2) ON t2.b != 0 + WHERE (t.a,t.b) NOT IN (SELECT 7, 5); + +SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0 + WHERE (t.a,t.b) NOT IN (SELECT 7, 5); +EXPLAIN EXTENDED +SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0 + WHERE (t.a,t.b) NOT IN (SELECT 7, 5); + +SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0 + WHERE (t.a,t.b) NOT IN (SELECT 7, 5); +EXPLAIN EXTENDED +SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0 + WHERE (t.a,t.b) NOT IN (SELECT 7, 5); + +DROP VIEW v1; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #794901: insert into a multi-table view +--echo # + +CREATE TABLE t1 (a int); +CREATE TABLE t2 (a int); +CREATE TABLE t3 (a int); + +CREATE VIEW v1 AS SELECT t1.a FROM t1,t2; +CREATE VIEW v2 AS SELECT a FROM t2 GROUP BY a; +CREATE VIEW v3 AS SELECT v1.a FROM v1,v2; + +-- error ER_NON_INSERTABLE_TABLE +INSERT INTO v3(a) VALUES (1); + +DROP VIEW v1,v2,v3; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #793448: materialized view accessed by two-component key +--echo # + +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (9,3), (2,5); + +CREATE TABLE t2 (a int, b int); +INSERT INTO t2 VALUES (9,3), (3,7), (9,1), (2,5), (2,4), (3,8); + +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (10,3), (9,7), (9,1), (2,4); + +CREATE VIEW v1(a,b) AS SELECT a, MAX(b) FROM t2 GROUP BY a; +CREATE VIEW v2(a,b) AS SELECT a,b FROM t2 UNION SELECT a,b FROM t3; + +SELECT * FROM v1; +SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1); +EXPLAIN +SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1); + +SELECT * FROM v2; +SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2); +EXPLAIN +SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2); + +DROP VIEW v1,v2; +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #804686: query over a derived table using a view +--echo # with a degenerated where condition +--echo # + +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (0,0), (1,0), (0,0), (1,1), (1,0); +CREATE VIEW v1 AS SELECT a,b FROM t1; +CREATE VIEW v2 AS SELECT a, MAX(b) AS b FROM t1 GROUP BY a; + +SELECT * FROM (SELECT b FROM v1 WHERE b = 0) t WHERE b<>0; +SELECT * FROM (SELECT b FROM v2 WHERE b = 0) t WHERE b<>0; +SELECT * FROM (SELECT b FROM v1 WHERE b = 0) t WHERE b; +SELECT * FROM (SELECT b FROM v2 WHERE b = 0) t WHERE b; +EXPLAIN EXTENDED +SELECT * FROM (SELECT b FROM v1 WHERE b = 0) t WHERE b; +EXPLAIN EXTENDED +SELECT * FROM (SELECT b FROM v2 WHERE b = 0) t WHERE b; + +DROP VIEW v1,v2; +DROP TABLE t1; + +--echo # +--echo # LP bug #819716: crash with embedded tableless materialized derived +--echo # with a variable +--echo # + +set optimizer_switch='derived_merge=off'; +EXPLAIN +SELECT * FROM (SELECT * FROM (SELECT @b) AS t) AS s; +SELECT * FROM (SELECT * FROM (SELECT @b) AS t) AS s; +set optimizer_switch='derived_merge=on'; + +--echo # +--echo # LP bug #823826: view over join + IS NULL in WHERE +--echo # + +CREATE TABLE t1 (a int) ; +INSERT INTO t1 VALUES (1), (1); + +CREATE TABLE t2 (b int) ; +INSERT INTO t2 VALUES (9), (NULL), (7); + +CREATE VIEW v1 AS SELECT * FROM t1,t2; + +EXPLAIN +SELECT * FROM (SELECT * FROM t1,t2) t WHERE b IS NULL; +SELECT * FROM (SELECT * FROM t1,t2) t WHERE b IS NULL; + +EXPLAIN +SELECT * FROM v1 WHERE b IS NULL; +SELECT * FROM v1 WHERE b IS NULL; + +DROP VIEW v1; +DROP TABLE t1,t2; + +--echo # +--echo # LP bug #823835: a duplicate of #823189 with derived table +--echo # + +CREATE TABLE t1 (a varchar(32)) ; +INSERT INTO t1 VALUES ('r'), ('p'); + +CREATE TABLE t2 (a int NOT NULL, b varchar(32)) ; +INSERT INTO t2 VALUES (28,'j'); + +CREATE TABLE t3 (a int); +INSERT INTO t3 VALUES (0), (0); + +EXPLAIN EXTENDED +SELECT * FROM (SELECT * FROM t1) AS t +WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) + WHERE t2.b < t.a); +SELECT * FROM (SELECT * FROM t1) AS t +WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) + WHERE t2.b < t.a); + +DROP TABLE t1,t2,t3; + +# The following command must be the last one the file +set optimizer_switch=@exit_optimizer_switch; |